Diagnostic Messages For Sm 326; Di 8 X Namur - Siemens S7-300 Installation And Operating Manual

8.4.8

Diagnostic Messages for SM 326; DI 8 x NAMUR

Possible diagnostic messages
The following table provides an overview of the diagnostic messages for SM 326;
DI 8 x NAMUR.
Diagnostic messages are assigned either to a channel or to the entire module. Some
diagnostic messages occur only in certain applications.
Table 8- 14
Diagnostic message
Wire break or internal fault at the sensor supply
Short-circuit between sensor signal and supply
lines
Internal error in read circuit/test circuit or
defective sensor supply
Discrepancy error
(1oo2 evaluation)
No external auxiliary voltage
Module parameters not assigned
Incorrect module parameters
Communication error
Internal supply voltage of the module failed
Time monitoring activated (watchdog)
EPROM error
RAM error
Processor failure
Parameter assignment error (with specification of
a consecutive number)
CRC signature error
Timeout of safety message frame monitoring
Message frame error
Fail-safe signal modules
Installation and Operating Manual, 01/2010, A5E00085586-10
Diagnostic messages of SM 326; DI 8 x NAMUR
8.4 SM 326; DI 8 x NAMUR
Signaled in the Effective
application range of
diagnostics
1, 2, 3, 4, 5, 6 channel
5, 6 channel
1, 2, 3, 4, 5, 6 Module
3, 4, 5, 6 Module
1, 2 Module
Digital modules
Assignable
yes
No
Yes
No
121