Name: PowerLogic PM-620
Brand: PowerLogic
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Bulletin No. 3020IM9503R6/98 Power Meter

December 1998 Chapter 3—Hardware Description

The display connects to the power meter via the display cable. One display

communications port is located on the back of the display (figure 3-2, below).

The other display communications port is located on the meter connections

end of the power meter (figure 3-3).

Figure 3-2: Power meter display, front and back

Display Front

Display Back

Display

Communications

Port (Terminal 23)

Default Chapter2
- Technical Support2
- Table of Contents5
Chapter 1-Introduction9
- What Is the Power Meter9
- Summary of Power Meter Instrumentation10
  - Using this Bulletin11
    - Not Covered in this Bulletin11
    - Notational Conventions11
Chapter 2-Safety Precautions13
Chapter 3-Hardware Description15
- Display15
- 3-1: Power Meter Display Components16
- 3-2: Power Meter Display, Front and Back17
  - Power Meter Connections18
- 3-3: Front of Power Meter and Terminal Shield Label18
Chapter 4-Installation19
- Power Meter/Display Mounting Options19
- Mounting the Display20
  - In Existing 1% Ammeter/Voltmeter Cutout20
  - On Panel Without Existing 1% Ammeter/Voltmeter Cutout21
- Mounting the Power Meter22
  - Directly Behind the Display22
- Existing Ammeter/Voltmeter Cutout23
  - Remote Mounting24
- 4-2: Mounting Power Meter on Panel with no Existing Cutout25
- 4-3: Panel Mount for the Power Meter Display25
  - DIN Rail Mounting26
- 4-4: Mounting Power Meter on 35 MM DIN Rail27
Chapter 5-Wiring29
- Wiring Cts, Pts, and Control Power29
- 5-1: Clamp-On Ferrite and Disconnect Breaker for CE Compliance31
- 5-2: Opening the Clamp-On Ferrite31
- 5-3: 3-Phase, 3-Wire Delta Direct Voltage Connection with 2 Cts32
- 5-4: 3-Phase, 3-Wire Delta with 2 Pts and 2 Cts33
- 5-5: 3-Phase, 3-Wire Delta with 2 Pts and 3 Cts34
- 5-6: 3-Phase, 4-Wire Wye, Ground and Direct Voltage Connection, with 3 Cts35
- 5-7: 3-Phase, 4-Wire Wye, Ground Connection, with 3 Pts and 3 Cts36
- 5-8: DC Control Power Wiring37
- 5-9: Power Meter Wire Routing38
- 5-10: KYZ Pulse Output41
- 5-11: Typical KYZ Pulse Output Connection for Use as an Alarm Contact42
Chapter 6-Communications43
- Protocols43
- POWERLOGIC Protocol Communications Wiring43
  - Connecting to a Personal Computer Via POWERLOGIC Communications44
- 6-1: Power Meters Connected to a Personal Computer Via SY/LINK Card44
  - Connecting to a POWERLOGIC Network Interface Module (PNIM) Using POWERLOGIC Communications45
- 6-2: Power Meters Connected to a PNIM45
  - Connecting to a SY/MAX Programmable Controller Using POWERLOGIC Communications46
- 6-3: Power Meters Connected to a SY/MAX Programmable Controller46
- Labeling the CAB-107 Leads51
  - Terminating the Communications Link (POWERLOGIC, Modbus, or Jbus)52
- Terminating Power Meter with Terminal Block and MCT-48553
Chapter 7-Display Operation55
- Introduction55
- Modes55
- Setting up the Power Meter60
- Power Meter Setup Flowchart61
Chapter 8-Metering Capabilities65
- Real-Time Readings65
- Min/Max Values (PM-650 Only)65
- Power Factor Min/Max Conventions66
- Power Factor Min/Max Example67
- Alternate VAR Sign Convention68
Chapter 9-Onboard Alarming (PM-650 Only)74
- Setpoint-Driven Alarms74
- Setpoint-Controlled Relay Functions75
Chapter 10-Logging (PM-650 Only)77
- Alarm Log77
- Event Log77
- Data Log77
- Alarm-Driven Data Log Entries77
- Storage Considerations77
Appendix A-Specifications78
Appendix B-Dimensions80
Appendix C-Communication Cable Pinouts81
Appendix D-Additional Wiring Diagrams82
- D-1: Power Meter System Wiring Connections83
- D-1: 240/120 V 1-Phase, 3-Wire Direct Voltage Connection with 2 Cts84
- D-2: 3-Phase, 4-Wire Delta with 3 Pts and 3 Cts85
- D-3: 3-Phase, 4-Wire Wye, 3-Wire Load with 3 Pts and 2 Cts86
Appendix E-Using the Command Interface87
Appendix F-Register List89
Appendix G-Modbus and Jbus Functions Supported109
Appendix H-2-Wire Modbus or Jbus111
Appendix I-Alarm Setup (PM-650 Only)112
Appendix J-Calculating Log File Size (PM-650 Only)116

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Brand	PowerLogic
Model	PM-620
Category	Measuring Instruments
Language	English

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