Siemens SIMATIC ET 200AL Manual do equipamento - Página 27

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Siemens SIMATIC ET 200AL Manual do equipamento
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7.2 Behavior of the digital output module

7.2
Behavior of the digital output module
Display
The channel status LEDs are directly affected by the signal level at the socket.
Response to error detection
All channels that are in pause mode on "PE_MODE_PROCEED" report their diagnostic status as
in productive mode.
The following applies for all channels which switch to a different pause mode:
• During the "pause", error detection of "Short circuit" is not possible:
– 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 7- 1
Element Code
Mode
26
reported correspondingly.
Mode parameter
0
: PE_MODE_PROCEED
D
1
: PE_MODE_SHUTDOWN
D
3
: PE_MODE_LAST_VALUE
D
4
: PE_MODE_SUBST_VALUE
D
Explanation
Proceed at "pause"
•
Value status "GOOD"
Switch off at "pause"
•
Pause substitute value: 0
•
Value status "BAD"
Last value at "pause"
•
Pause substitute value: Last output value is main-
tained
•
Value status "BAD"
Substitute value at "pause"
•
Pause substitute value: Configured pause substi-
tute value is output
•
Value status "BAD"
Digital output module DQ 8x24VDC/2A 8xM12 (6ES7142-5AF00-0BA0)
Equipment Manual, 08/2021, A5E36683723-AB
B