Diagnostics Of Sm 321; Di 16 X Dc 24 V - Siemens SIMATIC S7-300 Manual

3.10 Digital input module SM 321; DI 16 x 24 VDC; with hardware and diagnostic interrupts
(6ES7321-7BH01-0AB0)
3.10.3

Diagnostics of SM 321; DI 16 x DC 24 V

Diagnostics messages of SM 321; DI 16 x DC 24 V
The table below shows an overview of the diagnostic messages of SM 321; DI 16 x DC 24 V.
Table 3-11 Diagnostics messages of SM 321; DI 16 x DC 24 V
Diagnostics message
Encoder supply missing
Wirebreak
Module not programmed
External auxiliary voltage missing
Internal auxiliary voltage missing
Fuse blown
Incorrect module parameters
Watchdog time-out
EPROM error
RAM error
Hardware interrupt lost
Note
Prerequisite for detecting errors indicated by programmable diagnostic messages is an
appropriate configuration of the digital module in STEP 7.
S7-300 Automation System Module data
Manual, 08/2006, A5E00105505-04
LED Scope of diagnostics
SF Channel group
SF Channel group
SF Channel group
SF Module
SF Module
SF Module
SF Module
SF Module
SF Module
SF Module
SF Module
Digital modules
programmable
Yes
No
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