
Contents
CI-3K50601 Project 2191 DMR2731 Rev.1 18-08-11
4
5.4
Auxiliary Supply......................................................................22
5.5
Interfaces for External Monitoring ..........................................23
5.5.1
Pulse Relay Output ................................................................23
5.5.2
RS485 Output for Modbus™ or JC N2 Protocol....................23
5.6
Reference Conditions of Influence Quantities ........................24
5.7
Environment ...........................................................................24
5.8
Mechanics ..............................................................................24
5.9
Approval, Certification, and Standards Compliance...............24
6
Maintenance 25
7
Installation 26
7.1
Safety .....................................................................................26
7.2
EMC Installation Requirements..............................................26
7.3
Case Dimensions ...................................................................27
7.4
Wiring .....................................................................................27
7.4.1
Additional considerations for three wire systems ...................28
7.5
Auxiliary Supply......................................................................28
7.6
Fusing.....................................................................................28
7.7
Earth/Ground Connections.....................................................28
7.8
Connection Diagrams.............................................................28
7.9
RS485 and Modbus™ or JC N2 Protocol...............................29
7.10
Operation Check ....................................................................29
8
Glossary 30
9
Index 31