Abbreviations
U
:
H
U
iso
USR
Vs
Sign
CR
S7-400 Automation System Module Data
Reference Manual, Ausgabe 11/2016, A5E00850736-08
Auxiliary voltage
Potential difference between M
User
Sensor voltage
Sign
Central rack
Explanations
and local ground
ANA
List of abbreviations
E.1 List of abbreviations
439