Contents
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CONTENTS
CHAPTER 1—INTRODUCTION ......................................................................................................................1
What is the Circuit Monitor? ................................................................................................................................. 1
Expanded Memory .................................................................................................................................................. 3
Requirements for Using .................................................................................................................................. 4
Identifying the Series and Firmware Revisions .......................................................................................... 4
Model Numbers ............................................................................................................................................... 4
Upgrading Existing Circuit Monitors........................................................................................................... 5
Memory Options Summary ........................................................................................................................... 5
Safety Precautions ................................................................................................................................................... 6
Using This Bulletin .................................................................................................................................................. 6
Notational Conventions.................................................................................................................................. 6
Topics Not Covered Here............................................................................................................................... 7
Related Documents ................................................................................................................................................. 7
Reference Manual ............................................................................................................................................ 8
CHAPTER 2—HARDWARE DESCRIPTION ..................................................................................................9
Front Panel................................................................................................................................................................ 9
Rear Connections ................................................................................................................................................... 11
CHAPTER 3—INSTALLATION .....................................................................................................................13
CE Compliance ...................................................................................................................................................... 14
Mounting the Circuit Monitor ............................................................................................................................. 15
Wiring CTs, PTs, and Control Power ................................................................................................................. 17
Wiring Multiple Circuit Monitors to a Single Set of PTs/CPT ............................................................... 25
Deriving Control Power from Phase PT Inputs ........................................................................................ 26
Grounding the Circuit Monitor .......................................................................................................................... 27
Communications Wiring ...................................................................................................................................... 28
Connecting to a System Display.................................................................................................................. 29
Connecting to a Personal Computer........................................................................................................... 30
Connecting to a POWERLOGIC Ethernet Gateway................................................................................. 31
Connecting to a POWERLOGIC Network Interface Module ................................................................. 32
Connecting to a SY/MAX Programmable Controller .............................................................................. 33
Length of the Communications Link .......................................................................................................... 34
Daisy-Chaining POWERLOGIC Devices ................................................................................................... 35
Terminating the Communications Link ..................................................................................................... 36
Biasing the Communications Link .............................................................................................................. 37
CHAPTER 4—FRONT PANEL OPERATION ...............................................................................................39
The Setup Mode ..................................................................................................................................................... 40
The Configuration Option ............................................................................................................................ 40
The Resets Option.......................................................................................................................................... 40
The Alarm/Relay Option ............................................................................................................................. 40
The Diagnostics Option ................................................................................................................................ 40
Choosing a Setup Option ............................................................................................................................. 41
How the Buttons Work ................................................................................................................................. 41
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