Expansion Processor Module 82
Serial Communication Module 84
ControlEdge 900 I/O 87
Terminal block styles 100
Terminal Block-to-Field (Signal) Wiring 106
Chapter 6 - Wiring and cabling planning 149
Electrical considerations 149
Wiring and cabling distance guidelines 153
Chapter 7 - Maintenance 155
Safety considerations - PLAN AHEAD! 155
Periodic checks 157
Removal and Insertion Under Power (RIUP) 157
Replacing the power supply 158
Replacing an EPM 160
Replacing an I/O module 161
Spare parts and model numbers 164
Chapter 8 - Diagnostics and Troubleshooting 169
EPM Indicators 169
Serial Communication Module Indicators 171
I/O Indicators 172
UIO Indicators 176
Chapter 9 - Special Condition of Use and Approved Standards 179
Approval Rating 179
Special Condition of Use for Division 2/Zone 2 Hazardous Location
Installation 179
For the United States 179
For Canada 180
For ATEX 180
Approved Standards for Division 2/Zone 2 Hazardous Location 181
US Approval Standards 181
Canadian Standards 181
European Standards (Zone 2) 182
4
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