DENT Instruments PowerScout 24 Operator's Manual page 4

Establishing Communication Protocol ........................................................................................... 34
Switching between BACnet and Modbus Mode ..................................................................... 34
Changing Communication Mode Using ViewPoint ........................................................... 34
Changing the PowerScout from Modbus to BACnet mode: ............................................. 35
Changing the PowerScout from BACnet to Modbus mode: ............................................. 35
Changing Baud Rate or Communication Mode Using Address Switches (between
Modbus and BACnet) ........................................................................................................ 36
Field Installation .............................................................................................................. 37
Mounting a PowerScout Meter ..................................................................................................... 37
Wiring Connections on a PowerScout Meter ................................................................................ 38
Completing the Field Installation ................................................................................................... 38
Using the Pulse Output Port Function ........................................................................................... 39
Modbus Output Port Registers ................................................................................................ 40
BACnet Output Port Objects ................................................................................................... 40
Wiring CTs ...................................................................................................................................... 41
Connecting Split-Core Style Millivolt CTs to a Load................................................................. 42
................................................................................................................................................. 43
Connecting RōCoil CTs to a Load ............................................................................................. 43
CT Wire Lead Polarity .............................................................................................................. 45
Connecting Voltage ........................................................................................................................ 45
Powering the Meter ................................................................................................................ 46
PowerScout Single-Phase Connections ................................................................................... 46
A Typical 230V Single-Phase Panel Setup (US Wire Colors) .............................................. 46
A Typical 115V Single-Phase Panel Setup ......................................................................... 47
System Values ................................................................................................................... 47
PowerScout 24 Wiring Diagrams ................................................................................................... 48
Three Wire Delta ..................................................................................................................... 48
Three Phase, Four Wire Delta (Wild Leg) ................................................................................ 49
Single Phase, Two Wire ........................................................................................................... 50
Single Phase, Three Wire ......................................................................................................... 51
Four Wire Wye ........................................................................................................................ 52
Verifying Installation with PhaseChek ........................................................................................... 53
Verifying the PowerScout Meter Setup Using the LEDs .......................................................... 53
PhaseChek Error Table ...................................................................................................... 53
Verifying Installation with the ViewPoint Software ....................................................................... 55
Real-Time Values ..................................................................................................................... 55
Using Real-Time Values to Verify Setup............................................................................ 55
Read/Write Registers-Read/Set Objects ............................................................................... 56
Resetting BACnet Objects/Modbus Registers................................................................... 57
Firmware ................................................................................................................................. 58
DENT Instruments
PowerScout 24
Table of Contents
iv