Eaton PM3 Instruction Leaflet

Contents

9Instruction 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.com2. IndicatorsFigure 11. Status Indicators (KD/LG PM3).2.1. Status IndicatorA single green LED is used to indicate the status of theMeasurement Board. The indicator has three states:1. OFFNo light emission indicates internal DC power is not available, or theMeasurement Board has malfunctioned.2. ONContinuous light emission indicates power is applied, but theMeasurement Board is executing a power-on self test.3. Slow FlashRepetitive one second on, one second off indicates theMeasurement Board is operating normally.Fast Flash0.5 second on, 0.5 second off indicates one of three failures:• Unit not calibrated;• Unit has not been assembled properly; or• Unit memory has been damaged.StatusRX LedTX LedABComDC Common+24VDCEarthGroundSettings Network AddressVNeutralRed Bell AlarmCommonBlue Aux AlarmNo Connect2.2. Modbus Status IndicatorModbus Rx IndicatorWhen illuminated, this green LED indicates the CommunicationsBoard is receiving messages on the Modbus network.ote:N This LED will typically be a solid green. That is, it will not flash as thetransmit LED does.Modbus Tx IndicatorWhen illuminated, this green LED indicates the CommunicationsBoard is transmitting a message on the Modbus network.ote:N This LED typically flashes as the Communications Board transmitsmessages over the Modbus network.