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Eaton PM3 Instruction Leaflet

Modbus power monitoring/ metering module for fd, jg, and kd/lg circuit breakers and motor circuit protectors
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Instruction Leaflet IL012002EN
Instruction Leaflet for Modbus Power Monitoring/
Metering Module (PM3) for FD, JG, and KD/LG
Circuit Breakers and Motor Circuit Protectors
Contents
Description
1. Installation and Specifications ..............................................................................................................2
2. Indicators ..............................................................................................................................................9
3. Modbus RTU Communications ......................................................................................................... 10
4. Configuration and Input ...................................................................................................................... 11
5. Modbus Registers .............................................................................................................................. 12
Appendix A ......................................................................................................................................... 17
Effective March 2013
Page

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Summary of Contents for Eaton PM3

  • Page 1: Table Of Contents

    Instruction Leaflet IL012002EN Effective March 2013 Instruction Leaflet for Modbus Power Monitoring/ Metering Module (PM3) for FD, JG, and KD/LG Circuit Breakers and Motor Circuit Protectors Contents Description Page 1. Installation and Specifications ......................2 2. Indicators ..............................9 3. Modbus RTU Communications ......................10 4.

  • Page 2: Installation And Specifications

    Instruction Leaflet for Modbus Power Monitoring/ Instruction Leaflet IL012002EN Metering Module (PM3) for FD, JG, and KD/LG Effective March 2013 Circuit Breakers and Motor Circuit Protectors 1. Installation and Specifications  CAUTION 2. Insert unit into breaker. DO NOT ATTEMPT TO INSTALL OR PERFORM MAINTENANCE ON EQUIPMENT WHILE IT IS ENERGIZED.
  • Page 3 Instruction Leaflet for Modbus Power Monitoring/ Instruction Leaflet IL012002EN Metering Module (PM3) for FD, JG, and KD/LG Effective March 2013 Circuit Breakers and Motor Circuit Protectors 4. Insert screws in retainers. Figure 4. Inserting the Screws into the Retainers. 5. Tighten mounting screws to provided torque specifications.
  • Page 4 13.5 Standard collars mounted on line and load end. Terminal Shield required. When using PM3 on KD breakers, LG terminals are required on load end of PM3.  CAUTION TERMINAL SHIELDS MUST BE USED AS PER ORIGINAL CIRCUIT BREAKER INSTALLATION INSTRUCTIONS.
  • Page 5 2.745 2.745 101.19 69.72 69.72 4.062 5.490 5.490 103.17 139.45 139.45 4.89 2X M5 x 0.8 124.21 Figure 7. Layout of KD 3 Pole with PM3. 3.568 90.63 1.375 3.438 1.375 34.93 87.33 34.93 3.342 .688 .688 87.17 17.48 17.48 .781...
  • Page 6 Instruction Leaflet for Modbus Power Monitoring/ Instruction Leaflet IL012002EN Metering Module (PM3) for FD, JG, and KD/LG Effective March 2013 Circuit Breakers and Motor Circuit Protectors 3.501 88.93 1.375 1.375 3.385 34.93 34.93 85.98 .687 .687 3.188 17.45 17.45 80.98 .750...
  • Page 7 Instruction Leaflet for Modbus Power Monitoring/ Instruction Leaflet IL012002EN Metering Module (PM3) for FD, JG, and KD/LG Effective March 2013 Circuit Breakers and Motor Circuit Protectors Table 3. PM3 Power Monitoring and Communications Module Specifications. Current Input Update Rate Pick up current 0.3A rms...
  • Page 8  CAUTION FOR WYE SYSTEM, A NEUTRAL IS REQUIRED TO BE CONNECTED TO THE PM3 ON THE RIGHT PHOENIX CONNECTOR. IF NEUTRAL IS NOT AVAIL- ABLE, THE METER WILL CALCULATE A VIRTUAL NEUTRAL BASED ON THE PHASE-TO-PHASE RMS VOLTAGE. THE SYSTEM MUST BE BALANCED FOR THIS TO BE ACCURATE.

  • Page 9: Indicators

    Instruction Leaflet for Modbus Power Monitoring/ Instruction Leaflet IL012002EN Metering Module (PM3) for FD, JG, and KD/LG Effective March 2013 Circuit Breakers and Motor Circuit Protectors 2. Indicators RX Led TX Led Status Red Bell Alarm Common Blue Aux Alarm...

  • Page 10: Modbus Rtu Communications

    Under certain circumstances, the PM3 will return an exception code. 04 – Read Input Registers; • If the function in the query is not supported by the PM3, exception 06 – Write Single Register; • code 01 is returned in the response.

  • Page 11: Configuration And Input

    Instruction Leaflet for Modbus Power Monitoring/ Instruction Leaflet IL012002EN Metering Module (PM3) for FD, JG, and KD/LG Effective March 2013 Circuit Breakers and Motor Circuit Protectors 4. Configuration and Input 4.1. User Options Dip Switch A six-position Dip Switch is used to set user options for the unit, as...

  • Page 12: Modbus Registers

    Instruction Leaflet for Modbus Power Monitoring/ Instruction Leaflet IL012002EN Metering Module (PM3) for FD, JG, and KD/LG Effective March 2013 Circuit Breakers and Motor Circuit Protectors 5.Modbus Registers 5.2. Breaker Status Breaker Status is transmitted in two discrete (bit) inputs, at address- Slave Actions, Supervisory, and Configuration Commands are es 100110 and 100210.
  • Page 13 Instruction Leaflet for Modbus Power Monitoring/ Instruction Leaflet IL012002EN Metering Module (PM3) for FD, JG, and KD/LG Effective March 2013 Circuit Breakers and Motor Circuit Protectors If the Breaker Status cannot be determined (for example, the con- 5.4. Standard Metered Values nector is not connected), an exception (0x82) code of 0x01 is Standard metered values are transmitted as 32-bit numbers.
  • Page 14 Division Code = 32 – b5 b0 of Register Address 0x186E. • 5.6. Snapshot Energy The PM3 Modbus Module supports a control command to cap- ture energy. A write to Register Numbers 2911 (Address 0x0B5E) and 2912 (Address 0x0B5F) using Function Code 16 (0x10), Write Multiple Registers, is used for this purpose.
  • Page 15 5.7. Snapshot Energy 5.8. Write Fixed-Point Data Multi-Register Configuration The PM3 Modbus Module supports a control command to capture Each Modbus register is defined in the Modbus protocol as a two- energy. A write to Register Numbers 2901 - 2903 (Address 0x0B54 byte entry.
  • Page 16 Effective March 2013 Circuit Breakers and Motor Circuit Protectors 5.9. Modbus Diagnostics Registers The PM3 Modbus Add-on Module supports the sub-functions listed in Table 29. Modbus Function Code 08 provides a series of tests for checking the communications system or for checking various internal error condi- Table 29.

  • Page 17: Appendix A

    Instruction Leaflet for Modbus Power Monitoring/ Instruction Leaflet IL012002EN Metering Module (PM3) for FD, JG, and KD/LG Effective March 2013 Circuit Breakers and Motor Circuit Protectors Appendix A Name Numeric Units Register Register Register Scale Format Function Number Address Address...
  • Page 18 Instruction Leaflet for Modbus Power Monitoring/ Instruction Leaflet IL012002EN Metering Module (PM3) for FD, JG, and KD/LG Effective March 2013 Circuit Breakers and Motor Circuit Protectors Notes: EATON CORPORATION www.eaton.com...
  • Page 19 Instruction Leaflet for Modbus Power Monitoring/ Instruction Leaflet IL012002EN Metering Module (PM3) for FD, JG, and KD/LG Effective March 2013 Circuit Breakers and Motor Circuit Protectors Notes: EATON CORPORATION www.eaton.com...
  • Page 20 The information, recommendations, descriptions, and safety nota- tions in this document are based on Eaton’s experience and judg- ment with respect to Retrofitting of Power Breakers. This instruction- al literature is published solely for information purposes and should not be considered all-inclusive.