Siemens SIMATIC S7-200 - Connector Terminal Identification for Expansion Modules EM 231, EM 232, and EM 235

S7-200 Specifications
A-41
S7-200 Programmable Controller System Manual
A5E00066097-02
RA A+ A – RB B+ B – RC C+ C–
Voltage transmitter
Current transmitter
Unused input
+-
RD D+
24 VDC power and
common terminals
D–
M0 V0 I0 M1 V1 I1
EM 232
AQ 2 x 12 Bit
EM 231 EM 232
24V
+
-
Not used Not used
Not used
RA A+ A – RB B+ B – RC C+ C–
Voltage transmitter
Current transmitter
Unused input
+-
RD D+
24 VDC power and
common terminals
D–
+
-
ML+ M0V0I0
EM 235
24V
+
-
VLoad ILoad
VLoad ILoad VLoad ILoad
Gain Offset Configuration
24 VDC power and
common terminals
Gain Configuration
24V
EM 231
ML+
ML+
AI 4
Figure A-19 Connector Terminal Identification for Expansion Modules EM 231, EM 232, and EM 235