Siemens Simatic S7-300 - Page 518

B-6
Programmable Logic Controllers S7-300 Module Data
A5E00105505-03
Analog input channel of the SM 331 modules with diagnostics capability
76 0
Configuring/parameter assignment error
Common mode error
Wire-break
Underflow
Overflow
54321
Short-circuit to L+
Short-circuit to M
Reference channel error
Figure B-6 Diagnostic Byte for an Analog Input Channel of a SM 331 with Diagnostics
Capability
Analog output channel of the SM 332 modules with diagnostics capability
76 0
Configuring/parameter assignment error
Short-circuit to M
Wire-break
External auxiliary supply missing
54321
00
Common mode error
Short-circuit to L+
Figure B-7 Diagnostic Byte for an Analog Output Channel of a SM 332 with Diagnostics
Capability