ABB Relion 670 Series Technical Reference Manual page 25

Technical reference manual
Design..................................................................................651
Technical data......................................................................653
Optical ethernet module (OEM).................................................653
Introduction...........................................................................653
Functionality.........................................................................653
Design..................................................................................653
Technical data......................................................................654
Line data communication module (LDCM)................................654
Introduction...........................................................................654
Design..................................................................................655
Technical data......................................................................656
GPS time synchronization module (GTM).................................656
Introduction...........................................................................656
Design..................................................................................656
Technical data......................................................................657
GPS antenna.............................................................................657
Introduction...........................................................................657
Design..................................................................................658
Technical data......................................................................659
IRIG-B time synchronization module IRIG-B.............................660
Introduction...........................................................................660
Design..................................................................................660
Technical data......................................................................661
Dimensions.....................................................................................662
Case without rear cover.............................................................662
Case with rear cover..................................................................664
Flush mounting dimensions.......................................................666
Side-by-side flush mounting dimensions...................................667
Wall mounting dimensions.........................................................668
External current transformer unit...............................................669
Mounting alternatives.....................................................................669
Flush mounting..........................................................................669
Overview..............................................................................669
Mounting procedure for flush mounting................................670
19" panel rack mounting............................................................671
Overview..............................................................................671
Mounting procedure for 19" panel rack mounting.................672
Wall mounting............................................................................672
Overview..............................................................................672
Mounting procedure for wall mounting.................................673
How to reach the rear side of the IED..................................674
Side-by-side 19" rack mounting.................................................674
Overview..............................................................................674
Table of contents
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