Sm 322; Do 8 X Ac 120/230 V/2 A Isol - Diagnostics; Sm 322; Do 8 X Ac 120/230 V/2 A Isol - Interrupts - Siemens SIMATIC Manual

Digital modules
3.32 Digital output module SM 322; DO 8 x AC 120/230 V/2 A ISOL (6ES7322-5FF00-0AB0)
3.32.2

SM 322; DO 8 x AC 120/230 V/2 A ISOL - Diagnostics

Diagnostic messages of SM 322; DO 8 x AC 120/230 V/2 A ISOL
The table below provides an overview of the diagnostic messages of
SM 322; DO 8 x 120/230 VAC/2 A ISOL.
Table 3- 33 Diagnostic messages of SM 322; DO 8 x AC 120/230 V/2 A ISOL
Diagnostics message
Watchdog timeout
EPROM fault
RAM fault
Causes of error and troubleshooting
The following table shows the diagnostic messages of SM 322; DO 8 x AC 120/230V/2 A
ISOL, causes of error and troubleshooting.
Table 3- 34 Diagnostic messages of SM 322; DO 8 x AC 120/230V/2 A ISOL, error causes and troubleshooting
Diagnostics message
Watchdog timeout
EPROM fault
RAM fault
3.32.3

SM 322; DO 8 x AC 120/230 V/2 A ISOL - Interrupts

Introduction
The SM 322; DO 8 x AC 120/230 V/2 A ISOL can trigger diagnostic interrupts.
For detailed information on the OBs and SFCs mentioned below, refer to the
Help.
Enabling interrupts
There is no default interrupt setting, i.e. interrupts are disabled if not set accordingly.
Program the interrupt enable parameter in STEP 7.
196
LED Scope of diagnostics
SF Module
SF Module
SF Module
Error detection Possible cause of error
Always Transient high electromagnetic
interference
Defective module
Always Transient high electromagnetic
interference
Defective module
Always Transient high electromagnetic
interference
Defective module
programmable
no
no
no
To correct or avoid errors
Eliminate interference and cycle the
CPU power supply off and on
Replace the module
Eliminate interference and cycle the
CPU power supply off and on
Replace the module
Eliminate interference and cycle the
CPU power supply off and on
Replace the module
STEP 7
S7-300 Module data
Manual, 06/2017, A5E00105505-AJ
Online