ABB REO 517 Applications Manual page 416

406
Platform
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Data communication modules (DCMs)
Transformer input module (TRM)
A/D conversion module (ADM)
Optical receiver module (ORM)
Serial communication module (SCM)
LED module (LED-HMI)
TRM
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Modules used for digital communication to
remote terminal.
Used for galvanic separation of voltage and/or
current process signals and the internal cir-
cuitry.
Used for analog to digital conversion of analog
process signals galvanically separated by the
TRM.
Used to interface process signals from optical
instrument transformers.
Used for SPA/LON/IEC communication
Module with 18 user configurable LEDs for indi-
cation purposes
ADM SPM
SP1
SP2
SP3
SP4
SP5
A/D
SP6
SP7
SP8
SP9
SP10
SP11
SP12
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MPM BIO
99000522.vsd
In
Out
In
Out
HMI unit
SMS
SCS