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Location of the connectors on rear side
for REL-, REB-, REC 5xx
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Data communication modules (DCMs)
Modules used for digital communication to
remote terminal.
Transformer input module (TRM)
Used for galvanic separation of voltage and/or
current process signals and the internal cir-
cuitry.
A/D conversion module (ADM)
Used for analog to digital conversion of analog
process signals galvanically separated by the
TRM.
Serial communication modules (SCM)
Used for SPA/LON/IEC communication
LED module (LED-HMI)
Module with 18 user configurable LEDs for indi-
cation purposes
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Содержание 500 Series
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Страница 32: ...26 Mounting methods and mounting details KDSWHU 7HUPLQDO GLPHQVLRQV DQG PRXQWLQJ DOWHUQDWLYHV ...
Страница 46: ...40 Test switch modules for RED 521 KDSWHU 7HUPLQDOV ZLWK D WHVW VZLWFK PRGXOH ...
Страница 72: ...66 Making the electrical connections KDSWHU OHFWULFDO FRQQHFWLRQV ...