Eaton PM3 Instruction Leaflet

Contents

7Instruction Leaflet IL012002ENEffective March 2013Instruction Leaflet for Modbus Power Monitoring/Metering Module (PM3) for FD, JG, and KD/LGCircuit Breakers and Motor Circuit ProtectorsEATON CORPORATION www.eaton.comTable 3. PM3 Power Monitoring and Communications ModuleSpecifications.Current InputPick up current 0.3A rmsMax reported currentFD / JG 250A rmsKD / LD 630A rmsAccuracy 0.5% of readingVoltage InputsRangeLine-to-neutral 30 - 366 VacLine-to-line 52 - 635 VacSupported Systems 3 element wye, 3 element wye + neutral2 element delta, 4-wire delta systemsInput Impedance 996 kilo ohm/phaseBurden per phase 0.36 VA/phase max. at 600 V;0.014 VA at 120 Volts"Phase Voltage Connections Internal via screw terminal to busbarNeutral Connection For wye system, a Neutral is required to be connectedto the PM3 on the right Phoenix connector.If Neutral is not available, the meter will calculatea virtual Neutral based on the phase to phase RMSvoltage. The system voltage must be balanced for thisto be accurate.FrequencyFrequency 50 / 60 HzAccuracy ± 0.1 HzResolution 0.1 HzPower and EnergyAccuracy 1% of reading (ANSI C12.1)IsolationAll inputs and outputs are galvanically isolated to 2500 volts.Environmental RatingsOperating temperature -20º to +50°C (-4 to 122°F)Storage temperature -20º to +50°C (-4 to 122°F)Operating humidity To 95% RH non-condensingSensing MethodVoltage, current True RMSSampling Rate 13.02 K samples per secondUpdate RateWatts, Var and VA 1.03 sec at 60 HzAll other parameters 1.07 second at 60 HzPower SupplyDC voltage 18 – 30 VdcMax Current 30.0 mA @ 24 VdcBurden 0.72 WattsStandard Communication FormatConnection type 3 Wire RS-485(A,B,Common)Com port baud rate 9600 or 19,200 bauds Default: 19,200Modbus address range 01 – 247Data format Selectable (8,N,1 | 8,N,2| 8,Even,1 | 8,Odd, 1) Default: 8,N,2Protocols Modbus RTUInternal Termination Resistorselectable On or Off Via DIP switch Default: EnabledDimensions and ShippingWeight (lbs) FD 1.26 (0.57 kg)JG 1.6 (0.73 kg)KD / LG 2.25 (1.02 kg)Basic unit (in) FD 4.13 W X 5.00 L X 3.39 H(104.90 x 127.00 x 86.11 mm)JG 4.13 W X 5.00 L X 3.39 H(104.90 x 127.00 x 86.11 mm)KD / LG 5.48 W X 3.70 L X 4.062 H(139.19 x 93.98 x 103.17 mm)Shipping containerdimensions (in) FD/JG 8.0 X 5.13 x 5.5(203.20 x 130.30 x 139.70 mm)KD/LG 6.25 X 8.25 X 7.00(158.75 x 209.55 x 177.80 mm)ComplianceUL489, Annex JIEC 61000-4-2 - ESDIEC 61000-4-4 - EFTIEC 61000-4-5 - SURGEIEC 61000-4-6 - EMCANSI C12.1 (1% accuracy)UL®/cUL®/CE