Io-Link Operating Mode - Siemens SIMATIC ET 200AL Manual

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8.4 IO-Link operating mode

8.4 IO-Link operating mode
Display
Switching off the supply voltage 1U
Response to error detection
All channels which are set to "PE_MODE_PROCEED" and "PE_MODE_LAST_VALUE" in
pause mode report errors as in productive operation.
The following conditions apply to all channels (ports) which switch to a different pause mode
("PE_MODE_SHUTDOWN" and "PE_MODE_SUBST_VALUE"):
● Switching off the supply voltage U
generation of the alarms "Wire break" and "Short circuit".
● Error detection is not possible during the "pause" (no IO-Link device communication):
– Alarms for errors already pending before the "pause" are retained.
– After the "pause" is over, the error status is updated and incoming/outgoing errors are
Mode parameter
The following table shows the "Mode" parameter.
Table 8- 3
Element
Mode
Supply voltage 1U
1
supplied with voltage.
36
reported correspondingly.
Mode parameter
Code
0 : PE_MODE_PROCEED
D
1 : PE_MODE_SHUTDOWN
D
3 : PE_MODE_LAST_VALUE
D
4 : PE_MODE_SUBST_VALUE
D
of the assigned port is switched off. Result: The IO-Link device is no longer
S
also switches off the associated port status LED Cn.
S
(port) upon starting the "pause" does not lead to
Sn
Explanation
Proceed at "pause"
Value status "GOOD"
•
Switch off at "pause"
Supply voltages 1U
•
Pause substitute value (input): 0
•
Value status "BAD"
•
Last value at "pause"
Pause substitute value: Last input value
•
Value status "BAD"
•
Substitute value at "pause"
Supply voltages 1U
•
Pause substitute value (input): 0
•
Value status "BAD"
•
Communication module CM 4xIO-Link 4xM12(6ES7147-5JD00-0BA0)
and 2U off
1
S A
B
and 2U off
1
S A
B
Manual, 10/2017, A5E32352322-AE