Attch 10 AMRS Meter Specification.pdf

AMRS Meter Specifications v.01.23.20 Appendix 3

1.1 AMRS Electric Meter Specifications

The AMRS Compliant Electric Meter shall meet Department of Defense cybersecurity in addition to the following requirements:

• Current Inputs:

• Nominal 5A (Class 0.2s)

• Measured Current: 50mA to 10A

• Withstand: 20A Continuous

• Poly Phase (3 voltages and 3 currents)

• Voltages are verified by testing Line to Neutral Voltages (LN) and Line to Line (LL) or

Phase to Phase (PP) Voltages

• Internal storage for recording 2 values or channels for 90 days, configurable using manufacturer supplied configuration software. Must support interval consumption (15 minute) and demand (15 minute block average)

• Clear and concise manufacturer’s published procedure or method for extracting the internally recorded values, register sets (buffer) or channel data via Modbus and Ethernet

• Shall support time of use recording

• Onboard Ethernet communications, base 10/100 with RJ45 connector or pigtail with receptacle connector

• Modbus/TCP communication protocol is required.

• Front display with ability to display all measured values

• Minimum of two external dry contact inputs that shall count pulses from other devices

• Minimum of one (1) external RS485 serial port

1.2 AMRS Compliant Meter List

The following list of meters were evaluated, meet the AMRS meter specification and shall function within the AMRS platform. All networked devices, their integrated firmware and software will be approved by the PMO for use in the AMRS. PMO approval is contingent upon the device, in its fielded configuration, passing USAF cyber and AMRS compatibility testing.

• Schneider Electric ION 8650

• Schneider Electric ION8600

* (ION8600s currently connected to AMRS only, no new installs due to End-of-Life)

• Schneider Electric PM8000

• Electro Industries Nexus 1272

• Electro Industries Nexus 1262

• Schneider Electric PM5560 series

• Schneider Electric PM800 with PM8ECC network card

* (PM800s currently connected to AMRS only, no new installs due to End-of-Life)

1.3 Meter Installation Guidelines

• Contractor shall assume all existing equipment is working properly. If during the post award survey portion of the SOW an existing piece of equipment is found to be malfunctioning, then the contractor shall bring it to the government's attention to

AMRS Meter Specifications Appendix 3 determine how to proceed. An RFI shall be submitted. This may require a contract change to delete this meter from the scope or to add a new meter.

• All due diligence to survey the existing site conditions is the responsibility of the contractor.

• New and relocated meters shall be installed adjacent to the main distribution panel in a separate enclosure unless otherwise noted

• All new and relocated meter assemblies be located approximately 5 feet above the ground (4 feet minimum -- 6 feet maximum).

• All new meter installations, including relocated existing meters, shall include the installation of new properly sized split or solid core current transformers (CTs). Accurate sizing of new CTs is the responsibility of the contractor.

• If CT installation method includes disturbing the bonds of existing cables or wiring within the gear, before and after IR scans shall be performed before removing and after torqueing the connections to ensure the integrity of the conductor bonds.

• All new meter installations, including relocated existing meters, three phase voltage will be supplied from a three phase breaker/disconnect or fused voltage source which shall be labeled and marked in electrical meters and electrical panels.

• All meter safety disconnect switches shall be marked as follows “Meter Disconnect NOT Service Equipment” per the NEC. In addition, instructions to safely engage the safety disconnect switches and short the CT conductors shall be included inside each meter assembly

• Meter assemblies shall be provided with voltage and current safety disconnect devices or equivalent so that the meter assembly can be worked on safely over the life of the meter installation and not require utility outages for servicing. Additionally, meters shall have control power regardless of breaker position when installed in a split buss switchgear

• In the event communications equipment and/or a metering device has to be located in an exterior location, the NEMA enclosure must be a lockable NEMA 4 enclosure. All new install interior meters are required to be enclosed in a NEMA 3 enclosure unless otherwise noted.

• All new meter installations, including relocated existing meters, shall be connected from the meter, to a RJ45 wall outlet in the mechanical room, to a patch panel in the communications room, and then to the Air Force switch in the communications room.

• Preferred technical approach to network communication cabling in excess of 328 feet is:

Fiber optic cable and fiber media converters with dedicated power supplies. Fiber media converter shall be installed in the communications room within 6 feet of the network switch and within 6 feet of the electric meter enclosure.

• Surge protection is required on all communication cabling extending from the exterior to the interior of a facility. This includes gas meter communication cables from the exterior to the interior of the building. Surge suppression devices shall be installed w/in 3 feet of the building entrance inside the facility unless otherwise noted. Devices shall be easily accessable and labled to aide in location during future troubleshooting efforts.

• Meter assemblies and communication receptacles accessible to the public must be installed in a locked enclosure.

• Electric meters with gas or water meters connected shall have two internal registers configured - one for a raw pulse count and one for a weighted pulse count based on the scaling of the connected gas or water meter.

AMRS Meter Specifications Appendix 3

2.0 AMRS Compatible Gas Meter Specifications

AMRS compatible gas metering solutions consist of a componential system to achieve the goal of delivering gas consumption data into the AMRS. To accurately scale output pulses the contractor shall obtain building gas usage from base personnel, taking into account peak demand when sizing the components that are necessary as well as determining peak pulse rate as to not saturate the receiving device and risk losing captured pulse data. The various components that may be necessary include but are not limited to the following: Gas Meter, Pulse Kit, High Speed Dividing Pulse Relay, Surge Suppression Device, Accumulator, Electric Meter with digital input availability.

• Pulse kit must be able to produce a two-wire (Form A) pulse output via RS485

• Gas meter or attached pulse kit must include a visual register or dial

• Pulse output shall be delivered to a high speed dividing pulse relay that has the capability of producing a wetting voltage if necessary

• High speed dividing pulse relay shall provide isolated pulse outputs (Form A) that shall be delivered to an AMRS compatible electric meter

• Gas meters that can communicate to AMRS via the Modbus/TCP protocol may be acceptable if they can pass technical and cybersecurity evaluations directed by the AMRS PMO. At this time there are no tested or approved Modbus /TCP gas meters

3.0 AMRS Compatible Water Meter Specifications

AMRS compatible water metering solutions consist of a componential system to achieve the goal of delivering water consumption data into the AMRS. To accurately scale output pulses the contractor shall obtain building water usage from base personnel, taking into account peak demand when sizing the components that are necessary as well as determining peak pulse rate as to not saturate the receiving device and risk losing captured pulse data. The various components that may be necessary include but are not limited to the following: Water Meter, Pulse Kit, High Speed Dividing Pulse Relay, Surge Suppression Device, Accumulator, Electric Meter with digital input availability.

• Pulse kit must be able to produce a two-wire (Form A) pulse output via RS485

• Water meter or attached pulse kit must include a visual register or dial

• Pulse output shall be delivered to a high speed dividing pulse relay that has the capability of producing a wetting voltage if necessary

• High speed dividing pulse relay shall provide isolated pulse outputs (Form A) that shall be delivered to an AMRS compatible electric meter

• Water meters that can communicate to AMRS via the Modbus/TCP protocol may be acceptable if they can pass technical and cybersecurity evaluations directed by the AMRS PMO. At this time there are no tested or approved Modbus /TCP water meters

4.0 AMRS Compatible Translation Devices and Accumulators

The following device is compatible with the AMRS platform, is consistent with the need of the existing site conditions, and has been tested and passed cybersecurity requirements:

Schneider Electric EGX150 Ethernet Gateway