23_09_23.02,_BACNET_DDC_for_HVAC,_20180703.pdf

Repai r Supply Building 25 DPEZ022002 Rev 20180703

SECTI ON 23 09 23. 02

BACNET DI RECT DI GI TAL CONTROL FOR HVAC AND OTHER BUI LDI NG CONTROL SYSTEMS

11/15

PART 1 GENERAL

1. 1 SUMMARY

Pr ovi de a compl et e Di r ect Di gi t al Cont r ol ( DDC) syst em, except f or t he f r ont end whi ch i s speci f i ed i n Sect i on 25 10 10 UTI LI TY MONI TORI NG AND CONROL ( UMCS) FRONT END AND I NTEGRATI ON, sui t abl e f or t he cont r ol of t he heat i ng, vent i l at i ng and ai r condi t i oni ng ( HVAC) and ot her bui l di ng- l evel syst ems as speci f i ed and shown and i n accor dance wi t h Sect i on 23 09 00

I NTRUMENTATI ON AND CONTROL FOR HVAC.

1. 1. 1 Syst em Requi r ement s

Pr ovi de a syst em meet i ng t he r equi r ement s of bot h Sect i on 23 09 00 I NTRUMENTATI ON AND CONTROL FOR HVAC and t hi s Sect i on and wi t h t he f ol l owi ng characteristics:

a. Except f or Gat eways, t he cont r ol syst em must be an open i mpl ement at i on of BACnet t echnol ogy usi ng ASHRAE 135 and Fox as t he communi cat i ons protocol s. The syst em must use st andar d ASHRAE 135 Obj ect s and Properties and t he Ni agar a Fr amewor k. The syst em must use st andar d ASHRAE 135 Ser vi ces and t he Ni agar a Fr amewor kexcl usi vel y f or communi cat i on over t he net wor k. Gat eways t o packaged uni t s must communi cat e wi t h ot her DDC har dwar e usi ng ASHRAE 135 or t he Fox protocol excl usi vel y and may communi cat e wi t h packaged equi pment usi ng ot her pr ot ocol s. The cont r ol syst em must be i nst al l ed such t hat any t wo ASHRAE 135 devi ces on t he i nt er net wor k can communi cat e usi ng st andar d ASHRAE 135 Ser vi ces.

b. I nst al l and conf i gur e cont r ol har dwar e t o pr ovi de ASHRAE 135 Obj ect s and Pr oper t i es or Ni agar a Fr amewor k Obj ect sas i ndi cat ed and as needed t o meet t he r equi r ement s of t hi s speci f i cat i on.

c. Use Ni agar a Fr amewor k har dwar e and sof t war e excl usi vel y f or schedul i ng, t r endi ng, and communi cat i on wi t h a f r ont end ( UMCS) . Use Ni agar a Fr amewor k or st andar d BACnet Obj ect s and ser vi ces f or al ar mi ng. Use t he Fox pr ot ocol f or al l communi cat i on bet ween Ni agar a Fr amewor k Super vi sor y Gat eways; use t he ASHRAE 135 pr ot ocol f or al l ot her bui l di ng communi cat i on.

e. Use Ni agar a Fr amewor k Ver si on 4. 0 or l at er

1. 1. 2 Ver i f i cat i on of Speci f i cat i on Requi r ement s

Revi ew al l speci f i cat i ons r el at ed t o t he cont r ol syst em i nst al l at i on and advi se t he Cont r act i ng Of f i cer of any di scr epanci es bef or e per f or mi ng any wor k. I f Sect i on 23 09 00 I NTRUMENTATI ON AND CONTROL FOR HVAC or any ot her Sect i on r ef er enced i n t hi s speci f i cat i on i s not i ncl uded i n t he pr oj ect speci f i cat i ons advi se t he Cont r act i ng Of f i cer and ei t her obt ai n t he mi ssi ng Sect i on or obt ai n Cont r act i ng Of f i cer appr oval bef or e per f or mi ng any wor k.

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Repai r Suppl y Bui l di ng 25 DPEZ022002

1. 2 REFERENCES

The publ i cat i ons l i s t ed bel ow f or m a par t of t hi s speci f i cat i on t o t he ext ent r ef er enced. The publ i cat i ons ar e r ef er r ed t o wi t hi n t he t ext by t he basi c desi gnat i on onl y.

AMERI CAN SOCI ETY OF HEATI NG, REFRI GERATI NG AND AI R- CONDI TI ONI NG

ENGI NEERS ( ASHRAE)

ASHRAE 135 ( 2016) BACnet —A Dat a Communi cat i on Pr ot ocol f or Bui l di ng Aut omat i on and Cont r ol Net wor ks

BACNET I NTERNATI ONAL ( BTL)

BTL Gui de ( v. 49; 2017) BACnet Test i ng Labor at or y I mpl ement at i on Gui del i nes

I NSTI TUTE OF ELECTRI CAL AND ELECTRONI CS ENGI NEERS ( I EEE)

I EEE 802. 3 ( 2015; CORR 2017; AMD 1 2017) Et her net

TELECOMMUNI CATI ONS I NDUSTRY ASSOCI ATI ON ( TI A)

TIA-485 ( 1998a; R 2012) El ect r i cal Char act er i st i cs of Gener at or s and Recei ver s f or Use i n Bal anced Di gi t al Mul t i poi nt Syst ems

TRI DI UM, I NC ( TRI DI UM)

Ni agar a Fr amewor k ( 2012) Ni agar aAX User ' s Gui de

Tr i di um Open Ni CS ( 2005) Under st andi ng t he Ni agar aAX Compat i bi l i t y St at ement ( Ni CS)

U. S. FEDERAL COMMUNI CATI ONS COMMI SSI ON ( FCC)

FCC Par t 15 Radi o Fr equency Devi ces ( 47 CFR 15)

UNDERWRI TERS LABORATORI ES ( UL)

UL 916 ( 2007; Repr i nt Aug 2014) St andar d f or Ener gy Management Equi pment

1. 3 DEFINITIONS

For def i ni t i ons r el at ed t o t hi s sect i on, see Sect i on 23 09 00

I NTRUMENTATI ON AND CONTROL FOR HVAC.

1. 4 SUBMITTALS

Submi t t al r equi r ement s r el at ed t o t hi s Sect i on ar e speci f i ed i n Sect i on

23 09 00 I NTRUMENTATI ON AND CONTROL FOR HVAC.

PART 2 PRODUCTS

Al l pr oduct s used t o meet t hi s speci f i cat i on must meet t he i ndi cat ed r equi r ement s, but not al l pr oduct s speci f i ed her e wi l l be r equi r ed by ever y pr oj ect . Al l pr oduct s must meet t he r equi r ement s bot h Sect i on 23 09 00

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I NTRUMENTATI ON AND CONTROL FOR HVAC and t hi s Sect i on.

2. 1 NETWORK HARDWARE

2. 1. 1 BACnet Rout er

Al l BACnet Rout er s must be BACnet / I P Rout er s and must per f or m l ayer 3 r out i ng of ASHRAE 135 packet s over an I P net wor k i n accor dance wi t h ASHRAE 135 Annex J and Cl ause 6. The r out er must pr ovi de t he appr opr i at e connect i on t o t he I P net wor k and connect i ons t o one or mor e ASHRAE 135 MS/ TP net wor ks. Devi ces used as BACnet Rout er s must meet t he r equi r ement s f or DDC Har dwar e, and except f or Ni agar a Fr amewor k Super vi sor y Gat eways, devi ces used as BACnet r out er s must suppor t t he NM- RC- B BI BB.

2. 1. 2 BACnet Gat eways

I n addi t i on t o t he r equi r ement s f or DDC Har dwar e, t he BACnet Gat eway must be a Ni agar a Fr amewor k Super vi sor y Gat eway or must meet t he f ol l owi ng requirements:

a. I t must per f or m bi - di r ect i onal pr ot ocol t r ansl at i on f r om one non- ASHRAE 135 pr ot ocol t o ASHRAE 135. BACnet Gat eways must i ncor por at e a net wor k connect i on t o an ASHRAE 135 net wor k ( ei t her BACnet over I P i n accor dance wi t h Annex J or MS/ TP) and a separ at e connect i on appr opr i at e f or t he non- ASHRAE 135 pr ot ocol and medi a.

b. I t must r et ai n i t s conf i gur at i on af t er a power l oss of an i ndef i ni t e t i me, and must aut omat i cal l y r et ur n t o t hei r pr e- power l oss st at e once power i s r est or ed.

c. I t must al l ow bi - di r ect i onal mappi ng of dat a bet ween t he non- ASHRAE 135 pr ot ocol and St andar d Obj ect s as def i ned i n ASHRAE 135. I t must suppor t t he DS- RP- B BI BB f or Obj ect s r equi r i ng r ead access and t he DS- WP- B BI BB f or Obj ect s r equi r i ng wr i t e access.

d. I t must suppor t t he DS- COV- B BI BB.

Al t hough Gat eways must meet DDC Har dwar e r equi r ement s , except f or Ni agar a Fr amewor k Super vi sor y Gat eways, t hey ar e not DDC Har dwar e and must not be used when DDC Har dwar e i s r equi r ed. ( Ni agar a Fr amewor k Super vi sor y Gat eways ar e bot h Gat eways and DDC Har dwar e. )

2. 1. 3 Et her net Swi t ch

Et her net Swi t ches must aut oconf i gur e bet ween 10, 100 and 1000 megabi t s per second ( MBPS) .

2. 2 CONTROL NETWORK WI RI NG

a. BACnet MS/ TP communi cat i ons wi r i ng must be i n accor dance wi t h ASHRAE 135.

The wi r i ng must use shi el ded, t hr ee wi r e ( t wi st ed- pai r wi t h r ef er ence) cabl e wi t h char act er i st i c i mpedance bet ween 100 and 120 ohms.

Di st r i but ed capaci t ance bet ween conduct or s must be l ess t han 30 pF per foot .

b. Bui l di ng Cont r ol Net wor k Backbone I P Net wor k must use Et her net medi a.

Et her net cabl es must be CAT- 5e at a mi ni mum and meet al l r equi r ement s of I EEE 802. 3 .

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2. 3 DI RECT DI GI TAL CONTROL ( DDC) HARDWARE

2. 3. 1 Gener al Requi r ement s

Al l DDC Har dwar e must meet t he f ol l owi ng r equi r ement s:

a. I t must be l ocal l y power ed and must i ncor por at e a l i ght t o i ndi cat e t he devi ce i s r ecei v i ng power .

b. I t must conf or m t o t he BTL Gui de

c. I t must be BACnet Test i ng Labor at or y ( BTL) Li s t ed.

d. The Manuf act ur er ' s Pr oduct Dat a submi t t al f or each pi ece of DDC Har dwar e must i ncl ude t he Pr ot ocol I mpl ement at i on Conf or mance St at ement ( PI CS) f or t hat har dwar e as speci f i ed i n Sect i on 23 09 00

I NTRUMENTATI ON AND CONTROL FOR HVAC.

e. I t must communi cat e and be i nt er oper abl e i n accor dance wi t h ASHRAE 135 and have connect i ons f or BACnet I P or MS/ TP cont r ol net wor k wi r i ng.

f . Ot her t han devi ces cont r ol l i ng t er mi nal uni t s or f unct i oni ng sol el y as a BACnet Rout er , i t must suppor t DS- COV- B, DS- RPM- A and DS- RPM- B BI BBs.

g. Devi ces suppor t i ng t he DS- RP- A BI BB must al so suppor t t he DS- COV- A BI BB.

h. Appl i cat i on pr ogr ams, conf i gur at i on set t i ngs and communi cat i on i nf or mat i on must be st or ed i n a manner such t hat t hey per si st t hr ough l oss of power :

( 1) Appl i cat i on pr ogr ams must per si st r egar dl ess of t he l engt h of t i me power i s l ost .

( 2) Conf i gur ed set t i ngs must per s i st f or any l oss of power l ess t han 2, 500 hour s.

( 3) Communi cat i on i nf or mat i on, i ncl udi ng but not l i mi t ed t o COV subscr i pt i ons, event r epor t i ng dest i nat i ons, Not i f i cat i on Cl ass Obj ect set t i ngs, and i nt er nal communi cat i on set t i ngs, must per si st f or any l oss of power l ess t han 2, 500 hour s.

i . I nt er nal Cl ocks:

( 1) Cl ocks i n DDC Har dwar e i ncor por at i ng a Cl ock must cont i nue t o f unct i on f or 120 hour s upon l oss of power t o t he DDC Har dwar e.

( 2) DDC Har dwar e i ncor por at i ng a Cl ock must suppor t t he DM- TS- B or

DM- UTC- B BI BB.

j . I t must have al l f unct i onal i t y i ndi cat ed and r equi r ed t o suppor t t he appl i cat i on ( Sequence of Oper at i on or por t i on t her eof ) i n whi ch i t i s used, i ncl udi ng but not l i mi t ed t o pr ovi di ng Obj ect s or Ni agar a Fr amewor k Poi nt s as speci f i ed and as i ndi cat ed on t he Poi nt s Schedul e.

k. I n addi t i on t o t hese gener al r equi r ement s and t he DDC Har dwar e I nput - Out put ( I / O) Funct i on r equi r ement s, al l DDC Har dwar e must al so meet any addi t i onal r equi r ement s f or t he appl i cat i on i n whi ch i t i s used ( e. g. schedul i ng, al ar mi ng, t r endi ng, et c. ) .

SECTI ON 23 09 23. 02 Page 4 l . I t must meet FCC Par t 15 r equi r ement s and have UL 916 or equi val ent saf et y l i s t i ng.

m. Except f or Ni agar a Fr amewor k Super vi sor y Gat eways, Devi ce must suppor t Commandabl e Obj ect s t o suppor t Over r i de r equi r ement s as det ai l ed i n

PART 3 EXECUTI ON

n. User i nt er f aces whi ch al l ow f or modi f i cat i on of Pr oper t i es or set t i ngs must be passwor d- pr ot ect ed.

o. Devi ces communi cat i ng BACnet MS/ TP must meet t he f ol l owi ng r equi r ement s:

( 1) Must have a conf i gur abl e Max_Mast er Pr oper t y.

( 2) DDC Har dwar e ot her t han har dwar e cont r ol l i ng a s i ngl e t er mi nal uni t must have a conf i gur abl e Max_I nf o_Fr ames Pr oper t y.

( 3) Must r espond t o any val i d r equest wi t hi n 50 msec wi t h ei t her t he appr opr i at e r esponse or wi t h a r esponse of " Repl y Post poned" .

( 4) Must use t wi st ed pai r wi t h r ef er ence and shi el d ( 3- wi r e medi a) wiring.

p. Devi ces communi cat i ng BACnet / I P must use UDP Por t 0xBAC0. Devi ces wi t h conf i gur abl e UDP Por t s must def aul t t o 0xBAC0.

q. Al l Devi ce I Ds, Net wor k Number s, and BACnet MAC addr esses of devi ces must be f ul l y conf i gur abl e wi t hout l i mi t at i on, except MS/ TP MAC addr esses may be l i mi t ed by ASHRAE 135 r equi r ement s.

r . Except f or Ni agar a Fr amewor k Super vi sor y Gat eways, DDC Har dwar e cont r ol l i ng a s i ngl e t er mi nal uni t must have:

( 1) Obj ect s ( i nc l udi ng t he Devi ce Obj ect ) wi t h an Obj ect Name Pr oper t y of at l east 8 char act er s i n l engt h.

( 2) A conf i gur abl e Devi ce Obj ect Name.

( 3) A conf i gur abl e Devi ce Obj ect Descr i pt i on Pr oper t y at l east 16 char act er s i n l engt h.

s. Except f or Obj ect s i n Ni agar a Fr amewor k Super vi sor y Gat eways or DDC Har dwar e cont r ol l i ng a s i ngl e t er mi nal uni t , al l Obj ect s ( i ncl udi ng Devi ce Obj ect s) must :

( 1) Have a conf i gur abl e Obj ect Name Pr oper t y of at l east 12 char act er s i n l engt h.

( 2) Have a conf i gur abl e Obj ect Descr i pt i on Pr oper t y of at l east 24 char act er s i n l engt h.

t . For pr ogr ammabl e DDC Har war e, pr ovi de and l i cense t o t he pr oj ect s i t e al l pr ogr ammi ng sof t war e r equi r ed t o pr ogr am t he Har dwar e i n accor dance wi t h Sect i on 23 09 00 I NTRUMENTATI ON AND CONTROL FOR HVAC.

u. For pr ogr ammabl e DDC Har dwar e, pr ovi de copi es of t he i nst al l ed appl i cat i on pr ogr ams ( al l sof t war e t hat i s not common t o ever y cont r ol l er of t he same manuf act ur er and model ) as sour ce code compat i bl e wi t h t he suppl i ed pr ogr ammi ng sof t war e i n accor dance wi t h

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Section 23 09 00 I NTRUMENTATI ON AND CONTROL FOR HVAC. The submi t t ed appl i cat i on pr ogr am must be t he compl et e appl i cat i on necessar y f or cont r ol l er t o f unct i on as i nst al l ed and be suf f i c i ent t o al l ow r epl acement of t he i nst al l ed cont r ol l er wi t h anot her cont r ol l er of t he same t ype.

2. 3. 2 Har dwar e I nput - Out put ( I / O) Funct i ons

DDC Har dwar e i ncor por at i ng har dwar e i nput - out put ( I / O) f unct i ons must meet t he f ol l owi ng r equi r ement s:

2. 3. 2. 1 Anal og I nput s

DC Har dwar e anal og i nput s ( AI s) must be i mpl ement ed usi ng ASHRAE 135 Anal og I nput Obj ect s and per f or m anal og t o di gi t al ( A- t o- D) conver si on wi t h a mi ni mum r esol ut i on of 8 bi t s pl us s i gn or bet t er as needed t o meet t he accur acy r equi r ement s speci f i ed i n Sect i on 23 09 00. Si gnal condi t i oni ng i ncl udi ng t r ansi ent r ej ect i on must be pr ovi ded f or each anal og i nput .

Anal og i nput s must be capabl e of bei ng i ndi v i dual l y cal i br at ed f or zer o and span. Cal i br at i on v i a sof t war e scal i ng per f or med as par t of poi nt conf i gur at i on i s accept abl e. The AI must i ncor por at e common mode noi se r ej ect i on of at l east 50 dB f r om 0 t o 100 Hz f or di f f er ent i al i nput s, and nor mal mode noi se r ej ect i on of at l east 20 dB at 60 Hz f r om a sour ce i mpedance of 10, 000 ohms.

2. 3. 2. 2 Anal og Out put s

DDC Har dwar e anal og out put s ( AOs) must be i mpl ement ed usi ng ASHRAE 135 Anal og Out put Obj ect s and per f or m di gi t al t o anal og ( D- t o- A) conver si on wi t h a mi ni mum r esol ut i on of 8 bi t s pl us s i gn, and out put a s i gnal wi t h a r ange of 4- 20 mAdc or 0- 10 Vdc. Anal og out put s must be capabl e of bei ng i ndi v i dual l y cal i br at ed f or zer o and span. Cal i br at i on v i a sof t war e scal i ng per f or med as par t of poi nt conf i gur at i on i s accept abl e. DDC Har dwar e wi t h Hand- Of f - Aut o ( H- O- A) swi t ches f or anal og out put s must pr ovi de f or over r i di ng t he out put t hr ough t he r ange of 0 per cent t o 100 percent

2. 3. 2. 3 Bi nar y I nput s

DDC Har dwar e bi nar y i nput s ( BI s) must be i mpl ement ed usi ng ASHRAE 135 Bi nar y I nput Obj ect s and accept cont act c l osur es and must i gnor e t r ansi ent s of l ess t han 5 mi l l i - second dur at i on. Pr ot ect i on agai nst a t r ansi ent 50VAC must be pr ovi ded.

2. 3. 2. 4 Bi nar y Out put s

DDC Har dwar e bi nar y out put s ( BOs) must be i mpl ement ed usi ng ASHRAE 135 Bi nar y Out put Obj ect s and pr ovi de r el ay cont act c l osur es or t r i ac out put s f or moment ar y and mai nt ai ned oper at i on of out put devi ces. DDC Har dwar e wi t h H- O- A swi t ches f or bi nar y out put s must pr ovi de f or over r i di ng t he out put open or c l osed.

2. 3. 2. 4. 1 Rel ay Cont act Cl osur es

Cl osur es must have a mi ni mum dur at i on of 0. 1 second. Rel ays must pr ovi de at l east 180V of i sol at i on. El ect r omagnet i c i nt er f er ence suppr essi on must be pr ovi ded on al l out put l i nes t o l i mi t t r ansi ent s t o 50 Vac. Mi ni mum cont act r at i ng must be 0. 5 amper es at 24 Vac.

SECTI ON 23 09 23. 02 Page 6

2. 3. 2. 4. 2 Tr i ac Out put s

Tr i ac out put s must pr ovi de at l east 180 V of i sol at i on. Mi ni mum cont act r at i ng must be 0. 5 amper es at 24 Vac.

2. 3. 2. 5 Pul se Accumul at or

DDC Har dwar e pul se accumul at or s must be i mpl ement ed usi ng ei t her an ASHRAE 135 Accumul at or Obj ect or an ASHRAE 135 Anal og Val ue Obj ect wher e t he Pr esent _Val ue i s t he t ot al i zed pul se count . Pul se accumul at or s must accept cont act c l osur es, i gnor e t r ansi ent s l ess t han 5 msec dur at i on, pr ot ect agai nst t r ansi ent s of 50 VAC, and accept r at es of at l east 20 pul ses per second.

2. 3. 2. 6 ASHRAE 135 Obj ect s f or Har dwar e I nput s and Out put s

The r equi r ement s f or use of ASHRAE 135 obj ect s f or har dwar e i nput and out put s i ncl udes devi ces wher e t he har dwar e sensor or act uat or i s i nt egr al t o t he cont r ol l er ( e. g. a VAV box wi t h i nt egr al damper act uat or , a smar t sensor , a VFD, et c. )

2. 3. 2. 7 I nt egr at ed H- O- A Swi t ches

Wher e i nt egr at ed H- O- A swi t ches ar e pr ovi ded on har dwar e out put s, cont r ol l er must pr ovi de means of moni t or i ng posi t i on or st at us of H- O- A swi t ch. Thi s f eedback may be pr ovi ded vi a any val i d BACnet met hod, i ncl udi ng t he use of pr opr i et ar y Obj ect s, Pr oper t i es, or Ser vi ces.

2. 3. 3 Local Di spl ay Panel ( LDP)

The Local Di spl ay Panel s ( LDPs) must be DDC Har dwar e wi t h a di spl ay and navi gat i on but t ons or a t ouch scr een di spl ay, and must pr ovi de di spl ay and adj ust ment of ASHRAE 135 Pr oper t i es as i ndi cat ed on t he Poi nt s Schedul e and as speci f i ed. LDPs must be ei t her BTL Li st ed as a B- OD, B- OWS, B- AWS, or be an i nt egr al par t of anot her pi ece of DDC Har dwar e l i s t ed as a B- BC.

For LDPs l i s t ed as B- OWS or B- AWS, t he har dwar e must be BTL l i s t ed and t he pr oduct must come f act or y i nst al l ed wi t h al l appl i cat i ons necessar y f or t he devi ce t o f unct i on as an LDP.

The adj ust ment of val ues usi ng di spl ay and navi gat i on but t ons must be passwor d pr ot ect ed.

2. 3. 4 Expansi on Modul es and Tet her ed Har dwar e

A si ngl e pi ece of DDC Har dwar e may consi st of a base uni t and al so:

a. An unl i mi t ed number of har dwar e expansi on modul es, wher e t he i ndi v i dual har dwar e expansi on modul es ar e desi gned t o di r ect l y connect , bot h mechani cal l y and el ect r i cal l y , t o t he base uni t har dwar e. The expansi on modul es must be commer ci al l y avai l abl e as an opt i onal add- on t o t he base uni t .

b. A s i ngl e pi ece of har dwar e connect ed ( t et her ed) t o a base uni t by a s i ngl e cabl e wher e t he cabl e car r i es a pr opr i et ar y pr ot ocol bet ween t he base uni t and t et her ed har dwar e. The t et her ed har dwar e must not cont ai n cont r ol l ogi c and be commer ci al l y avai l abl e as an opt i onal add- on t o t he base uni t as a s i ngl e package.

Not e t hat t hi s r est r i c t i on on t et her ed har dwar e does not appl y t o

SECTI ON 23 09 23. 02 Page 7 sensor s or act uat or s usi ng st andar d bi nar y or anal og s i gnal s ( not a communi cat i ons pr ot ocol ) ; sensor s or act uat or s usi ng st andar d bi nar y or anal og s i gnal s ar e not consi der ed par t of t he DDC Har dwar e.

Har dwar e capabl e of bei ng i nst al l ed st and- al one, or wi t hout a separ at e base uni t , i s DDC Har dwar e and must not be used as expansi on modul es or t et her ed hardware.

2. 3. 5 Super vi sor y Cont r ol Requi r ement s

2. 3. 5. 1 Al ar m Gener at i on Har dwar e

Non- Ni agar a Fr amewor k DDC Har dwar e used f or al ar m gener at i on must meet t he f ol l owi ng r equi r ement s:

a. Devi ce must suppor t t he AE- N- I - B BI BB

b. The Reci pi ent _Li st Pr oper t y must be Wr i t eabl e f or al l Not i f i cat i on Cl ass Obj ect s used f or al ar m gener at i on.

c. For al l Obj ect s i mpl ement i ng I nt r i nsi c Al ar mi ng, t he f ol l owi ng Pr oper t i es must be Wr i t eabl e:

( 1) Ti me_Del ay ( 2) Hi gh_Li mi t ( 3) Low_Li mi t ( 4) Deadband ( 5) Event _Enabl e ( 6) I f t he i ssue dat e of t hi s pr oj ect speci f i cat i on i s af t er 1 Januar y

2016, Ti me_Del ay_Nor mal must be wr i t eabl e.

d. I t i s pr ef er r ed, but not r equi r ed, t hat devi ces suppor t t he DM- OCD- B BI BB on al l Not i f i cat i on Cl ass Obj ect s. I t i s al so pr ef er r ed, but not r equi r ed t hat devi ces suppor t i ng t he DM- OCD- B BI BB accept any val i d val ue as an i ni t i al val ue f or pr oper t i es of Not i f i cat i on Cl ass Obj ect s .

2. 3. 6 Ni agar a Fr amewor k Super vi sor y Gat eway

Any devi ce i mpl ement i ng t he Ni agar a Fr amewor k i s a Ni agar a Fr amewor k Super vi sor y Gat eway and must meet t hese r equi r ement s. I n addi t i on t o t he gener al r equi r ement s f or al l DDC Har dwar e, Ni agar a Fr amewor k Super vi sor y Gat eway Har dwar e must :

a. Be di r ect di gi t al cont r ol har dwar e.

b. Have an unr est r i c t ed i nt er oper abi l i t y l i cense and i t s Ni agar a Compat abi l i t y St at ement ( Ni CS) must f ol l ow t he Tr i di um Open Ni CS Specification.

c. Manage communi cat i ons bet ween a f i el d cont r ol net wor k and t he Ni agar a Fr amewor k Moni t or i ng and Cont r ol Sof t war e, and bet ween i t sel f and ot her Ni agar a Fr amewor k Super vi sor y Gat eways. Ni agar a Fr amewor k Super vi sor y Gat eway Har dwar e must use Fox pr ot ocol f or communi cat i on wi t h ot her

SECTI ON 23 09 23. 02 Page 8

Ni agar a Fr amewor k Component s, r egar dl ess of t he manuf act ur er of t he ot her component s.

d. Be f ul l y pr ogr ammabl e usi ng t he Ni agar a Fr amewor k Engi neer i ng Tool and must suppor t t he f ol l owi ng:

( 1) Ti me synchr oni zat i on, Cal endar , and Schedul i ng usi ng Ni agar a Schedul i ng Obj ect s

( 2) Al ar m gener at i on and r out i ng usi ng t he Ni agar a Al ar m Ser vi ce

( 3) Tr endi ng usi ng t he Ni agar a Hi st or y Ser vi ce and Ni agar a Tr end Log Objects

( 4) I nt egr at i on of f i el d cont r ol net wor ks usi ng t he Ni agar a Fr amewor k Engi neer i ng Tool

( 5) Conf i gur at i on of i nt egr at ed f i el d cont r ol syst em usi ng t he Ni agar a Fr amewor k Engi neer i ng Tool when suppor t ed by t he f i el d cont r ol system

e. Meet t he f ol l owi ng mi ni mum har dwar e r equi r ement s:

(1) One 10/ 100 Mbps Et her net Por t

( 2) One or mor e MS/ TP por t s.

f . Pr ovi de access t o f i el d cont r ol net wor k dat a and super vi sor y f unct i ons v i a web i nt er f ace and suppor t a mi ni mum of 16 s i mul t aneous user s.

Not e: i mpl ement at i on of t hi s capabi l i t y may not be r equi r ed on al l projects.

g. Submi t a backup of each Ni agar a Fr amewor k Super vi sor y Gat eway as speci f i ed i n Sect i on 23 09 00 I NTRUMENTATI ON AND CONTROL FOR HVAC. The backup must be suf f i c i ent t o r est or e a Ni agar a Fr amewor k Super vi sor y Gat eway t o t he f i nal as- bui l t condi t i on such t hat a new Ni agar a Fr amewor k Super vi sor y Gat eway l oaded wi t h t he backup i s i ndi st r i ngui shabl e i n f unct i onal i t y f r om t he or i gi nal .

2. 4 Ni agar a Fr amewor k Engi neer i ng Tool

The Ni agar a Fr amewor k Engi neer i ng Tool must be Ni agar a Wor kbench or an equivalent Ni agar a Fr amewor k engi neer i ng t ool sof t war e and must :

a. Have an unr est r i c t ed i nt er oper abi l i t y l i cense and i t s Ni agar a Compat abi l i t y St at ement ( Ni CS) must f ol l ow t he Tr i di um Open Ni CS Specification.

b. Be capabl e of per f or mi ng net wor k conf i gur at i on f or Ni agar a Fr amewor k Super vi sor y Gat eways and Ni agar a Fr amewor k Moni t or i ng and Cont r ol Software.

c. Be capabl e of pr ogr ammi ng and conf i gur i ng of Ni agar a Fr amewor k Super vi sor y Gat eways and Ni agar a Fr amewor k Moni t or i ng and Cont r ol Software.

d. Be capabl e of di scover y of Ni agar a Fr amewor k Super vi sor y Gat eways and al l poi nt s mapped i nt o each Ni agar a Fr amewor k Super vi sor y Gat eway and maki ng t hese poi nt s accessi bl e t o Ni agar a Fr amewor k Moni t or i ng and

SECTI ON 23 09 23. 02 Page 9

Cont r ol Sof t war e.

Moni t or i ng and Cont r ol Sof t war e i s speci f i ed i n Sect i on 25 10 10 UTI LI TY

MONI TORI NG AND CONTROL SYSTEM ( UMCS) FRONT END AND I NTEGRATI ON.

PART 3 EXECUTI ON

3. 1 CONTROL SYSTEM I NSTALLATI ON3. 1. 1 Ni agar a Fr amewor k Engi neer i ng Tool

3. 1. 2 Bui l di ng Cont r ol Net wor k ( BCN)

I nst al l t he Bui l di ng Cont r ol Net wor k ( BCN) as a s i ngl e BACnet i nt er net wor k consi st i ng of a s i ngl e I P net wor k as t he BCN Backbone and zer o or mor e BACnet MS/ TP net wor ks. Not e t hat i n some cases t her e may onl y be a s i ngl e devi ce on t he BCN Backbone.

Except f or t he I P Net wor k and as per mi t t ed f or t he non- BACnet s i de of Gat eways, use excl usi vel y ASHRAE 135 net wor ks.

3. 1. 2. 1 Bui l di ng Cont r ol Net wor k I P Backbone

I nst al l I P Net wor k Cabl i ng i n condui t . I nst al l Et her net Swi t ches i n l ockabl e encl osur es. I nst al l t he Bui l di ng Cont r ol Net wor k ( BCN) I P Backbone such t hat i t i s avai l abl e at t he Faci l i t y Poi nt of Connect i on ( FPOC) l ocat i on as i ndi cat ed. When t he FPOC l ocat i on i s a r oom number , pr ovi de suf f i c i ent addi t i onal medi a t o ensur e t hat t he Bui l di ng Cont r ol Net wor k ( BCN) I P Backbone can be ext ended t o any l ocat i on i n t he r oom.

Use UDP por t 0xBAC0 f or al l BACnet t r af f i c on t he I P net wor k. ( Not e t hat i n a Ni agar a Fr amewor k syst em t her e may not be BACnet t r af f i c on t he I P Network)

3. 1. 2. 2 BACnet MS/ TP Net wor ks

When usi ng MS/ TP, pr ovi de MS/ TP net wor ks i n accor dance wi t h ASHRAE 135 and i n accor dance wi t h t he ASHRAE 135 f i gur e " Mi xed Devi ces on 3- Conduct or Cabl e wi t h Shi el d" ( Fi gur e 9- 1. 4 i n t he 2012 ver si on of ASHRAE 135) .

Gr ound t he shi el d at t he BACnet Rout er and at no ot her poi nt . Gr ound t he r ef er ence wi r e at t he BACnet Rout er t hr ough a 100 ohm r esi st or and do not gr ound i t at any ot her poi nt . I n addi t i on:

a. Pr ovi de each segment i n a doubl y t er mi nat ed bus t opol ogy i n accor dance with TIA-485 .

b. Pr ovi de each segment wi t h 2 set s of net wor k bi as r esi st or s i n accor dance wi t h ASHRAE 135, wi t h one set of r esi st or s at each end of t he MS/ TP net wor k.

c. Use 3 wi r e ( t wi st ed pai r and r ef er ence) wi t h shi el d medi a f or al l MS/ TP medi a i nst al l ed i nsi de. Use f i ber opt i c i sol at i on i n accor dance wi t h ASHRAE 135 f or al l MS/ TP medi a i nst al l ed out s i de bui l di ngs, or bet ween mul t i pl e bui l di ngs.

d. For 18 AWG cabl e, use segment s wi t h a maxi mum l engt h of 4000 f t . When usi ng gr eat er di st ances or di f f er ent wi r e gauges compl y wi t h t he el ect r i cal speci f i cat i ons of TIA-485 .

SECTI ON 23 09 23. 02 Page 10

e. For each cont r ol l er t hat does not use t he r ef er ence wi r e pr ovi de t r ansi ent suppr essi on at t he net wor k connect i on of t he cont r ol l er i f t he cont r ol l er i t sel f does not i ncor por at e t r ansi ent suppr essi on.

f . I nst al l no mor e t han 32 devi ces on each MS/ TP segment . Do not use MS/ TP t o MS/ TP r out er s.

g. Connect each MS/ TP net wor k t o t he BCN backbone vi a a Ni agar a Fr amewor k Super si sor y Gat eway conf i gur ed as a BACnet Rout er .

h. For BACnet Rout er s, conf i gur e t he MS/ TP MAC addr ess t o 0. Assi gn MAC Addr esses t o ot her devi ces consecut i vel y begi nni ng at 1, wi t h no gaps.

i . Conf i gur e t he Max_Mast er Pr oper t y of al l devi ces t o be 31.

3. 1. 2. 3 Bui l di ng Cont r ol Net wor k ( BCN) I nst al l at i on

Pr ovi de a bui l di ng cont r ol net wor k meet i ng t he f ol l owi ng r equi r ement s:

a. I nst al l al l DDC Har dwar e connect ed t o t he Bui l di ng Cont r ol Net wor k.

b. Wher e mul t i pl e pi eces of DDC Har dwar e ar e used t o execut e one sequence, i nst al l al l DDC Har dwar e execut i ng t hat sequence on a s i ngl e MS/ TP net wor k dedi cat ed t o t hat sequence.

c. Tr af f i c bet ween BACnet net wor ks must be excl usi vel y v i a BACnet r out er s.

d. Use t he Fox pr ot ocol f or al l t r af f i c bot h or i gi nat i ng and t er mi nat i ng at Ni agar a Fr amewor k component s. Use t he Fox pr ot ocol f or al l t r af f i c or i gi nat i ng or t er mi nat i ng at a Ni agar a Fr amewor k UMCS ( i ncl udi ng t r af f i c t o or f r om a f ut ur e UMCS) . Al l ot her t r af f i c , i ncl udi ng t r af f i c between ASHRAE 135 devi ces and t r af f i c bet ween Ni agar a Fr amewor k Super vi sor y Gat eways and ASHRAE 135 devi ces must be i n accor dance wi t h

ASHRAE 135.

3. 1. 3 DDC Har dwar e

I nst al l al l DDC Har dwar e t hat connect s t o an I P net wor k i n l ockabl e encl osur e. I nst al l ot her DDC Har dwar e t hat i s not i n suspended cei l i ngs i n encl osur es. For al l DDC har dwar e wi t h a user i nt er f ace, coor di nat e wi t h s i t e t o det er mi ne pr oper passwor ds and conf i gur e passwor ds i nt o devi ce.

a. Except f or zone sensor s ( t her most at s) , i nst al l al l Tet her ed Har dwar e within 6 f eet of i t s base uni t .

b. I nst al l and conf i gur e al l BTL- Li st ed devi ces i n a manner consi st ent wi t h t hei r BTL Li st i ng such t hat t he devi ce as pr ovi ded st i l l meet s al l r equi r ement s necessar y f or i t s BTL Li st i ng.

c. I nst al l and conf i gur e al l BTL- Li st ed devi ces i n a manner consi st ent wi t h t he BTL Devi ce I mpl ement at i on Gui del i nes such t hat t he devi ce as pr ovi ded meet s al l t hose Gui del i nes.

3. 1. 3. 1 Devi ce I dent i f i er s, Net wor k Addr esses, and I P addr esses

a. Do not use any Devi ce I dent i f i er or Net wor k Number al r eady used by anot her BACnet syst em at t he pr oj ect s i t e. .

b. .

SECTI ON 23 09 23. 02 Page 11

3. 1. 3. 2 ASHRAE 135 Obj ect Name Pr oper t y and Obj ect Descr i pt i on Pr oper t y

Conf i gur e t he Obj ect _Names and Obj ect _Descr i pt i ons pr oper t i es of al l ASHRAE 135 Obj ect s ( i ncl udi ng Devi ce Obj ect s) as i ndi cat ed on t he Poi nt s Schedul e ( Poi nt Name and Poi nt Descr i pt i on) and as speci f i ed. At a mi ni mum:

a. Except f or DDC Har dwar e cont r ol l i ng a s i ngl e t er mi nal uni t , conf i gur e t he Obj ect _Name and Obj ect _Descr i pt i on pr oper t i es of al l Obj ect s ( i ncl udi ng Devi ce Obj ect s) as i ndi cat ed on t he Poi nt s Schedul e and as specified.

b. I n DDC Har dwar e cont r ol l i ng a s i ngl e t er mi nal uni t , conf i gur e t he Devi ce Obj ect _Name and Devi ce Obj ect _Descr i pt i on as i ndi cat ed on t he Poi nt s Schedul e and as speci f i ed.

When Poi nt s Schedul e ent r i es exceed t he l engt h l i mi t at i ons i n t he devi ce, notify CE and pr ovi de r ecommended al t er nat i ves f or appr oval .

3. 1. 3. 3 Ni agar a Fr amewor k Poi nt Names and Descr i pt i ons

Conf i gur e t he names and descr i pt i ons of al l Poi nt s i n Ni agar a Fr amewor k Supr er vi sor y Gat eways as i ndi cat ed on t he Poi nt s Schedul e and as speci f i ed.

3. 1. 3. 4 Ni agar a St at i on I Ds

Ensur e t hat Ni agar a St at i on I Ds of new Ni agar a Fr amewor k Super vi sor y Gat eways ar e mai nt ai ned as uni que wi t hi n UMCS f r ont - end, i ncl udi ng ensur i ng t hey do not conf l i c t wi t h any exi st i ng Ni agar a St at i on I D.

3. 1. 3. 5 Hand- Of f - Aut o ( H- O- A) Swi t ches

Pr ovi de Hand- Of f - Aut o ( H- O- A) swi t ches f or al l DDC Har dwar e anal og out put s and bi nar y out put s used f or cont r ol of syst ems ot her t han t er mi nal uni t s, as speci f i ed and as i ndi cat ed on t he Poi nt s Schedul e. Pr ovi de H- O- A swi t ches t hat ar e i nt egr al t o t he cont r ol l er har dwar e, an ext er nal devi ce co- l ocat ed wi t h ( i n t he same encl osur e as) t he cont r ol l er , i nt egr al t o t he cont r ol l ed equi pment , or an ext er nal devi ce co- l ocat ed wi t h ( i n t he same encl osur e as) t he cont r ol l ed equi pment .

a. For H- O- A swi t ches i nt egr al t o DDC Har dwar e, meet t he r equi r ement s speci f i ed i n par agr aph DI RECT DI GI TAL CONTROL ( DDC) HARDWARE.

b. For ext er nal H- O- A swi t ches used f or bi nar y out put s, pr ovi de f or over r i di ng t he out put open or c l osed.

c. For et er nal H- O- A swi t ches used f or anal og out put s, pr ovi de f or over r i di ng t hr ough t he r ange of 0 per cent t o 100 per cent .

3. 1. 3. 6 Local Di spl ay Panel s

Pr ovi de LDPs t o di spl ay and over r i de val ues of poi nt s i n a Ni agar a Fr amewor k Super vi sor y Gat eway or ASHRAE 135 Obj ect Pr oper t i es as i ndi cat ed on t he Poi nt s Schedul e. I nst al l LDPs di spl ayi ng poi nt s f or anyt hi ng ot her t han a t er mi nal uni t i n t he same r oom as t he equi pment . I nst al l LDPs di spl ayi ng poi nt s f or onl y t er mi nal uni t s i n a mechani cal r oom cent r al t o t he gr oup of t er mi nal uni t s i t ser ves. For LDPs usi ng Wr i t ePr oper t y t o commandabl e obj ect s t o i mpl ement an over r i de, wr i t e val ues wi t h pr i or i t y 10.

SECTI ON 23 09 23. 02 Page 12

3. 1. 3. 7 MS/ TP Sl ave Devi ces

Conf i gur e al l MS/ TP devi ces as Mast er devi ces. Do not conf i gur e any devi ces t o act as s l ave devi ces.

3. 1. 3. 8 Change of Val ue ( COV) and Read Pr oper t y

a. To t he gr eat est ext ent possi bl e, conf i gur e al l devi ces t o suppor t t he Subscr i beCOV ser vi ce ( t he DS- COV- B BI BB) . At a mi ni mum, al l devi ces suppor t i ng t he DS- RP- B BI BB, ot her t han devi ces cont r ol l i ng onl y a s i ngl e t er mi nal uni t , must be conf i gur ed t o suppor t t he DS- COV- B BI BB.

b. Whenever suppor t ed by t he ser ver s i de, conf i gur e c l i ent devi ces t o use t he DS- COV- A BI BB.

3. 1. 3. 9 Engi neer i ng Uni t s

Conf i guee devi ces t o use Engl i sh ( I nch- Pound) engi neer i ng uni t s as f ol l ows:

a. Temper at ur e i n degr ees F

b. Ai r or nat ur al gas f l ows i n cubi c f eet per mi nut e ( CFM)

c. Wat er i n gal l ons per mi nut e ( GPM)

d. St eam f l ow i n pounds per hour ( pph)

e. Di f f er ent i al Ai r pr essur es i n i nches of wat er col umn ( I WC) f . Wat er , st eam, and nat ur al gas pr essur es i n PSI

g. Ent hal py i n BTU/ l b

h. Heat i ng and cool i ng ener gy i n MBTU ( 1MBTU = 1, 000, 000 BTU) ) i . Cool i ng l oad i n t ons ( 1 t on = 12, 000 BTU/ hour ) j . Heat i ng l oad i n MBTU/ hour ( 1MBTU = 1, 000, 000 BTU)

k. El ect r i cal Power : k i l owat t s ( kW) l . El ect r i cal Ener gy: k i l owat t - hour s ( kWh)

3. 1. 3. 10 Occupancy Modes

Use t he f ol l owi ng cor r espondence bet ween val ue and occupancy mode whenever an occupancy st at e or val ue i s r equi r ed:

a. OCCUPI ED mode: a val ue of one

b. UNOCCUPI ED mode: a val ue of t wo

c. WARM- UP/ COOL- DOWN ( PRE- OCCUPANCY) mode: a val ue of t hr ee

Not e t hat el sewher e i n t hi s Sect i on t he Schedul e Obj ect i s r equi r ed t o al so suppor t a val ue of f our , whi ch i s r eser ved f or f ut ur e use. Al so not e t hat t he behavi or of a syst em i n each of t hese occupancy modes i s i ndi cat ed i n t he sequence of oper at i on f or t he syst em.

SECTI ON 23 09 23. 02 Page 13

3. 1. 3. 11 Use of BACnet Obj ect s

Except as speci f i cal l y i ndi cat ed f or Ni agar a Fr amewor k Obj ect s, Use onl y st andar d non- pr opr i et ar y ASHRAE 135 Obj ect s and ser vi ces t o accompl i sh t he pr oj ect scope of wor k as f ol l ows:

a. Use Anal og I nput or Anal og Out put Obj ect s f or al l anal og har dwar e I / O.

Do not use Anal og Val ue Obj ect f or anal og har dwar e I / O) .

b. Use Bi nar y I nput or Bi nar y Out put Obj ect s f or al l bi nar y har dwar e I / O.

Do not use Bi nar y Val ue Obj ect s f or bi nar y har dwar e I / O.

c. Use Anal og Val ue Obj ect s f or anal og set poi nt s.

d. Use Accumul at or Obj ect s or Anal og Val ue Obj ect s f or pul se i nput s.

e. For occupancy modes, use Mul t i s t at e Val ue Obj ect s and t he cor r espondence bet ween val ue and occupancy mode speci f i ed i n par agr aph

OCCUPANCY MODES.

f . Use a combi nat i on of Ni agar a Fr amewor k Al ar m Ext ensi ons and Al ar m Services, I nt r i nsi c Al ar mi ng, and Not i f i cat i on Cl ass Obj ect s f or al ar m gener at i on.

g. For al l ot her poi nt s shown on t he Poi nt s Schedul e as r equi r i ng an ASHRAE 135 Obj ect , use t he Obj ect t ype shown on t he Poi nt s Schedul e or , i f no Obj ect Type i s shown, use a st andar d Obj ect appr opr i at e t o t he point.

3. 1. 3. 11. 1 Ni agar a Fr amewor k Obj ect s

Poi nt s i n t he Ni agar a Fr amewor k Super vi sor y Gat eway, even i f used i n a sequence or ar e shown on t he Poi nt s Schedul e, ar e not r equi r ed t o be exposed as BACnet Obj ect s unl ess t hey ar e r equi r ed t o be avai l abl e on t he net wor k by anot her devi ce or sequence of oper at i on ( i . e. t her e i s some ot her r eason t hey ar e needed) .

Use a Ni agar a Fr amewor k Super vi sor y Gat eway as speci f i ed f or al l schedul i ng and t r endi ng. Use a Ni agar a Fr amewor k Super vi sor y Gat eway as speci f i ed f or al l al ar mi ng except f or i nt r i s i c al ar mi ng.

3. 1. 3. 12 Use of St andar d BACnet Ser vi ces

Except as not ed i n t hi s par agr aph, f or al l DDC Har dwar e ( i ncl udi ng Ni agar a Fr amewor ks Super vi sor y Gat eways when communi cat i ng wi t h non- Ni agar a Fr amewor k DDC Har dwar e) use St andar d BACnet Ser vi ces as def i ned i n t hi s speci f i cat i on ( whi ch excl udes some ASHRAE 135 ser vi ces) excl usi vel y f or appl i cat i on cont r ol f unct i onal i t y and communi cat i on.

DDC Har dwar e t hat cannot meet t hi s r equi r ement may use non- st andar d ser vi ces pr ovi ded t hey can pr ovi de i dent i cal f unct i onal i t y usi ng St andar d BACnet Ser vi ces when communi cat i ng wi t h BACnet devi ces f r om a di f f er ent vendor . When i mpl ement i ng non- st andar d ser vi ces, document al l non- st andar d ser vi ces i n t he DDC Har dwar e Schedul e as speci f i ed and as speci f i ed i n Section 23 09 00 I NTRUMENTATI ON AND CONTROL FOR HVAC.

3. 1. 3. 13 Devi ce Appl i cat i on Conf i gur at i on

a. For ever y pr oper t y, set t i ng or val ue shown on t he Poi nt s Schedul e or

SECTI ON 23 09 23. 02 Page 14 ot her wi se i ndi cat ed as Conf i gur abl e, pr ovi de a val ue t hat i s r et ai ned t hr ough l oss of power and can be changed vi a one or mor e of :

( 1) BACnet ser vi ces ( i ncl udi ng pr opr i et ar y ser vi ces)

( 2) Har dwar e set t i ngs on t he devi ce3) Ni agar a Fr amewor k

b. For ever y pr oper t y, set t i ng or val ue i n non- Ni agar a Fr amewor k Har dwar e shown on t he Poi nt s Schedul e or ot her wi se i ndi cat ed as Oper at or Conf i gur abl e, pr ovi de a val ue t hat i s r et ai ned t hr ough l oss of power and can be changed vi a one or mor e of :

( 1) A Wr i t eabl e Pr oper t y of a st andar d BACnet Obj ect

( 2) A Pr oper t y of a st andar d BACnet Obj ect t hat i s Wr i t eabl e when Out _Of _Ser vi ce i s TRUE and Out _Of _Ser vi ce i s Wr i t eabl e.

( 3) Usi ng some ot her met hod suppor t ed by a Ni agar a Fr amewor k Super vi sor y Gat eway

c. Conf i gur e Ni agar a Fr amewor k Super vi sor y Gat eways such t hat t he pr oper t y, set t i ng or val ue i s conf i gur abl e f r om a Ni agar a Fr amewor k Fr ont End.

d. For ever y pr oper t y, set t i ng or val ue i n a Ni agar a Fr amewor k Super vi sor y Gat eway whi ch i s shown on t he Poi nt s Schedul e or ot her wi se i ndi cat ed as Oper at or Conf i gur abl e, conf i gur e t he val ue t o be conf i gur abl e f r om wi t hi n t he Ni agar a Fr amewor k such t hat i t can be conf i gur ed f r om a syst em gr aphi c page at a Ni agar a Fr amewor k Fr ont End.

3. 1. 3. 14 Ni agar a Fr amewor k Engi neer i ng Tool

Use t he Ni agar a Fr amewor k Engi neer i ng Tool t o f ul l y di scover t he f i el d cont r ol syst em and make al l f i el d cont r ol syst em i nf or mat i on avai l abl e t o t he Ni agar a Fr amewor k Super vi sor y Gat eway. Ensur e t hat al l poi nt s on t he poi nt s schedul e ar e avai l abl e t o t he f r ont end vi a t he Fox pr ot ocol .

3. 1. 4 Schedul i ng, Al ar mi ng, Tr endi ng, and Over r i des

3. 1. 4. 1 Scheduling Conf i gur e schedul es i n Ni agar a Fr amewor k Super vi sor y Gat eway usi ng Ni agar a Schedul e Obj ect s as i ndi cat ed on t he Poi nt s Schedul e and as speci f i ed.

When t he schedul e i s cont r ol l i ng occupancy modes i n DDC Har dwar e ot her t han a Ni agar a Fr amewor k Super vi sor y Gat eway use t he i ndi cat ed cor r espondence bet ween val ue and occupancy mode.

Pr ovi de a separ at e schedul e f or each AHU i ncl udi ng i t ' s associ at ed Ter mi nal Uni t s and f or each st and- al one Ter mi nal Uni t ( t hose not dependent upon AHU ser vi ce) or gr oup of st and- al one Ter mi nal Uni t s act i ng accor di ng t o a common schedul e.

3. 1. 4. 2 Al ar m Conf i gur at i on

Conf i gur e al ar m gener at i on and management as i ndi cat ed on t he Poi nt s Schedul e and as speci f i ed. Conf i gur e al ar m gener at i on i n Ni agar a Fr amewor k Super vi sor y Gat eways usi ng Ni agar a Fr amewor k Al ar m Ext ensi ons and Al ar m Ser vi ces or i n ot her DDC Har dwar e ( not Ni agar a Fr amewor k Super vi sor y Gat eways) usi ng ASHRAE 135 I nt r i nsi c Al ar mi ng. Conf i gur e al ar m maganement

SECTI ON 23 09 23. 02 Page 15 and r out i ng f or al l al ar ms, i ncl udi ng t hose gener at ed v i a i nt r i nsi c al ar mi ng i n ot her devi ces, i n t he Ni agar a Fr amewor k Super vi sor y Gat eway such t hat t he al ar ms ar e abl e t o be accessed f r om t he Ni agar a Fr amewor k Fr one End.

Wher e I nt r i nsi c Al ar mi ng i s used, conf i gur e i nt r i nsi c al ar mi ng as speci f i ed i n par agr aph " Conf i gur at i on of ASHRAE 135 I nt r i nsi c Al ar m Gener at i on" .

Conf i gur e a Ni agar a Fr amewor k Super vi sor y Gat eway t o pr ovi de a means t o conf i gur e t he i nt r i nsi c al ar m par amet er s such t hat t he I nt r i nsi c Al ar m i s conf i gur abl e f r om t he f r ont end v i a t he Ni agar a Fr amewor k.

3. 1. 4. 3 Conf i gur at i on of ASHRAE 135 I nt r i nsi c Al ar m Gener at i on

I nt r i nsi c al ar m gener at i on must meet t he f ol l owi ng r equi r ement s:

a. Send al ar m event s as Al ar ms ( not Event s) .

b. Use t he Conf i r medNot i f i cat i on Ser vi ce f or al ar m event s.

c. For al ar m gener at i on, suppor t t wo pr i or i t y l evel s f or al ar ms: cr i t i cal and non- cr i t i cal . Conf i gur e t he Pr i or i t y of Not i f i cat i on Cl ass Obj ect s t o use Pr i or i t y 112 f or cr i t i cal and 224 f or non- cr i t i cal al ar ms.

d. Number of Not i f i cat i on Cl ass Obj ect s f or Al ar m Gener at i on:

( 1) I f t he devi ce i mpl ement s non- cr i t i cal al ar ms, or i f any Obj ect i n t he devi ce suppor t s I nt r i nsi c Al ar ms, t hen pr ovi de a s i ngl e Not i f i cat i on Cl ass Obj ect speci f i cal l y f or ( shar ed by) al l non- cr i t i cal al ar ms.

( 2) I f t he devi ce i mpl ement s cr i t i cal al ar ms, pr ovi de a s i ngl e Not i f i cat i on Cl ass Obj ect speci f i cal l y f or ( shar ed by) al l cr i t i cal al ar ms.

( 3) I f t he devi ce i mpl ement s bot h cr i t i cal and non- cr i t i cal al ar ms, pr ovi de bot h Not i f i cat i on Cl ass Obj ect s ( one f or cr i t i cal , one f or non-critical).

( 4) I f t he devi ce cont r ol s equi pment ot her t han a s i ngl e t er mi nal uni t , pr ovi de bot h Not i f i cat i on Cl ass Obj ect s ( one f or cr i t i cal , one f or non- cr i t i cal ) even i f no al ar m gener at i on i s r equi r ed at t i me of i nst al l at i on.

e. For al l i nt r i nsi c al ar ms conf i gur e t he Li mi t _Enabl e Pr oper t y t o set bot h Hi ghLi mi t Enabl e and LowLi mi t Enabl e t o TRUE. I f t he speci f i ed al ar m condi t i ons ar e f or a s i ngl e- s i ded al ar m ( onl y Hi gh_Li mi t used or onl y Low_Li mi t used) assi gn a val ue t o t he unused l i mi t such t hat t he unused al ar m condi t i on wi l l not occur .

f . For al l obj ect s suppor t i ng i nt r i nsi c al ar mi ng, even i f no al ar m gener at i on i s r equi r ed dur i ng i nst al l at i on, conf i gur e t he f ol l owi ng Pr oper t i es as f ol l ows:

( 1) Not i f i cat i on_Cl ass t o poi nt t o t he non- Cr i t i cal Not i f i cat i on Cl ass Obj ect i n t hat devi ce.

( 2) Li mi t _Enabl e t o enabl e bot h t he Hi ghLi mi t Enabl e and LowLi mi t Enabl e

( 3) Not i f y_Type t o Al ar m

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g. Conf i gur e t he Reci pi ent _Li st Pr oper t y of t he Not i f i cat i on Cl ass Obj ect t o poi nt t o t he Ni agar a Fr amewor k Super vi sor y Gat eway managi ng t he alarm.

3. 1. 4. 4 Trending

Per f or m al l t r endi ng usi ng a Ni agar a Fr amewor k Super vi sor y Gat eway usi ng Ni agar a Fr amewor k Hi st or y Ext ensi ons and Ni agar a Fr amewor k Hi st or y Ser vi ce exclusively.

3. 1. 4. 5 Overrides

Pr ovi de an over r i de f or each poi nt shown on t he Poi nt s Schedul e as r equi r i ng an over r i de. over r i des t o poi nt s i n Ni agar a Fr amewor k Super vi sor y Gat eways. For over r i des t o ot her poi nt s, pr ovi de an over r i de t o a poi nt i n a Ni agar a Fr amewor k Super vi sor y Gat eway vi a t he Ni agar a Fr amewor k wher e t he Ni agar a Fr amewor k Super vi sor y Gat eway over r i des t he ot her poi nt as speci f i ed.

Unl ess ot her wi se appr oved, pr ovi de Commandabl e Obj ect s t o suppor t al l Overrides i n non- Ni agar a Fr amewor k Super vi sor y Gat eway DDC Har dwar e. Wi t h speci f i c appr oval f r om t he cont r act i ng of f i cer , Over r i des f or poi nt s whi ch ar e not har dwar e out put s and whi ch ar e i n DDC har dwar e cont r ol l i ng a s i ngl e t er mi nal uni t may suppor t over r i des v i a an addi t i onal Obj ect pr ovi ded f or t he over r i de. No ot her means of i mpl ement i ng Over r i des may be used.

a. Wher e Commandabl e Obj ect s ar e used, ensur e t hat Wr i t ePr oper t y ser vi ce r equest s wi t h a Pr i or i t y of 10 or l ess t ake pr ecedence over t he SEQUENCE VALUE and t hat Wr i t ePr oper t y ser vi ce r equest wi t h a pr i or i t y of 11 or mor e have a l ower pr ecedence t han t he SEQUENCE VALUE.

b. For devi ces i mpl ement i ng over r i des v i a addi t i onal Obj ect s, pr ovi de Obj ect s whi ch ar e NOT Wr i t t en t o as par t of t he nor mal Sequence of Oper at i ons and ar e Wr i t eabl e when Out _Of _Ser vi ce i s TRUE and Out _Of _Ser vi ce i s Wr i t eabl e. Use t hi s poi nt as an Over r i de of t he nor mal val ue when Out _Of _Ser vi ce i s TRUE and t he nor mal val ue ot her wi se. Not e t hese Obj ect s may be modi f i ed as par t of t he sequence vi a l ocal pr ocesses, but must not be modi f i ed by l ocal pr ocesses when Out _Of _Ser vi ce i s TRUE.

3. 1. 5 BACnet Gat eways

The r equi r ement s i n t hi s par agr aph do not per mi t t he i nst al l at i on of har dwar e not meet i ng t he ot her r equi r ement s of t hi s sect i on. Al l cont r ol har dwar e i nst al l ed under t hi s pr oj ect must meet t he r equi r ement s of t hi s speci f i cat i on, i ncl udi ng cont r ol har dwar e pr ovi ded as par t of a package uni t or as par t of equi pment speci f i ed under anot her sect i on. Onl y use gat eways t o connect t o pr e- exi st i ng cont r ol devi ces.

Pr ovi de BACnet Gat eways t o non- BACnet cont r ol har dwar e as r equi r ed t o connect exi st i ng non- BACnet packaged uni t s and i n accor dance wi t h t he following:

a. Each gat eway must communi cat e wi t h and per f or m pr ot ocol t r ansl at i on f or non- BACnet cont r ol har dwar e cont r ol l i ng one and onl y one package uni t .

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b. Connect one net wor k por t on t he gat eway t o t he Bui l di ng Cont r ol Backbone I P Net wor k or t o a BACnet MS/ TP net wor k and t he ot her por t t o t he s i ngl e pi ece of cont r ol l ed equi pment .

c. Conf i gur e gat eways t o map wr i t eabl e dat a poi nt s i n t he cont r ol l ed equi pment t o Wr i t eabl e Pr oper t i es of St andar d Obj ect s or t o Ni agar a Fr amewor k poi nt s as i ndi cat ed i n t he Poi nt s Schedul e and as speci f i ed.

d. Conf i gur e gat eway t o map r eadabl e dat a poi nt s i n t he cont r ol l ed equi pment t o Readabl e Pr oper t i es of St andar d Obj ect s or t o Ni agar a Fr amewor k poi nt sas i ndi cat ed i n t he Poi nt s Schedul e and as speci f i ed.

e. Conf i gur e gat eway t o suppor t t he DS- COV- B BI BB f or al l poi nt s mapped t o BACnet Obj ect s.

f . Do not use non- BACnet cont r ol har dwar e f or cont r ol l i ng bui l t - up uni t s or any ot her equi pment t hat was not f ur ni shed wi t h f act or y- i nst al l ed controls. ( Not e: A Ni agar a Fr amewor k Super vi sor y Gat eway i s BACnet cont r ol har dwar e. )

g. Do not use non- BACnet cont r ol har dwar e f or syst em schedul i ng f unct i ons.

h. Non- BACnet net wor k wi r i ng connect i ng t he gat eway t o t he package uni t must not exceed 10 f eet i n l engt h and must connect t o exact l y t wo devi ces: t he cont r ol l ed equi pment ( packaged uni t ) and t he gat eway.

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