Siemens SIMATIC ET 200SP Manuel - Page 33

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Siemens SIMATIC ET 200SP Manuel
Interrupts/diagnostics alarms

5.3 Diagnostics alarms

5.3
Diagnostics alarms
Diagnostics alarms
A diagnostics alarm is generated and the DIAG-LED flashes on the module for each
diagnostics event. You can read out the diagnostics alarms, for example, in the diagnostics
buffer of the CPU. You can evaluate the error codes with the user program.
Table 5- 5
Diagnostics alarms, their meaning and corrective measures
Diagnostics alarm
Short-circuit
Wire break
Parameter assignment
error
Supply voltage missing
Hardware interrupt lost
Channel/component
temporarily unavailable
32
Error code
1
Short-circuit to ground at sensor supply
H
6
Impedance of encoder circuit too high
H
Wire break between the module and sensor
Channel not connected (open)
10
The module cannot evaluate parameters
•
H
for the channel.
Incorrect parameter assignment.
•
11
No or insufficient supply voltage L+
H
16
The module cannot trigger an interrupt be-
H
cause the previous interrupt was not
acknowledged; possible configuration error
1F
Firmware update is currently in progress or
H
has been canceled. The module does not
read in process values in this state.
Meaning
Digital input module DI 8x24VDC HF (6ES7131-6BF00-0CA0)
Solution
Correct the process wiring
Use a different encoder type or
modify the wiring, for example, use
cables with larger cross-section
Connect the cable
Disable diagnostics
•
Connect in parallel a resistor of
•
25 kOhm to 45 kOhm to the en-
coder contacts
Correct the parameter assignment
Check supply voltage L+ on the
•
BaseUnit
Check BaseUnit type
•
Change interrupt processing in
•
the CPU and, if necessary, edit
the module parameters.
The error persists until the mod-
•
ule is assigned new parameters
Wait for firmware update.
•
Restart the firmware update.
•
Manual, 12/2017, A5E03576305-AE