Location Of The Connectors On Rear Side For Rel-, Reb-, Rec 5Xx - ABB 500 Series Builder's Manual

Location of the connectors on rear side
for REL-, REB-, REC 5xx
REAR VIEW
* TRM =Transformer module
*** No voltage transformers
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Transformer Module (1)
Analog/Digital conversion Module (1) S7
Main Processing Module
Power Supply Module
(2)
(2)
(3)
X12
With TRM
No TRM*
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S1
S9
S13
S15
S17
S19
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X11
TRM for
REL 551***
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5HDU
X11, X12
-
X13, X15
X18
X20, X21
X22, X23
X24, X25
45