Siemens SIMATIC ET 200SP Manuel - Page 22

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Siemens SIMATIC ET 200SP Manuel
Interrupts/diagnostics alarms

5.3 Diagnostics alarms

5.3
Diagnostics alarms
A diagnostics alarm is output for each diagnostics event and the DIAG LED flashes on the
module. The diagnostics alarms can, for example, be read from the diagnostics buffer of the
CPU. You can evaluate the error codes with the user program.
Table 5- 4
Diagnostics alarms, their meanings and corrective measures
Diagnostics alarm
Short-circuit *
Wire break
High limit violated
Low limit violated
Error
Parameter assignment
error
No load voltage
Channel temporarily
unavailable
Short-circuit of the encoder supply to ground has an effect on all channels.
*
22
Error code
Meaning
1
Encoder supply to ground
H
6
Impedance of encoder circuit too high
H
Wire break between the module and sen-
sor
Channel not connected (open)
7
Value is above overrange.
H
8
Value is below underrange.
H
9
Internal module error occurred.
H
10
The module cannot evaluate parame-
•
H
ters for the channel.
Incorrect parameter assignment.
•
11
No or insufficient supply voltage L+
H
1F
Firmware update in progress or update has
H
been canceled.
The module does not read any process
values in this state.
Solution
Correct interplay between module and
encoder
Use a different encoder type or modify
the wiring, for example, using cables
with a larger cross-section
Connect the cable
Deactivate channel
•
Connect the encoder contacts
•
Correct interplay between module and
encoder
Correct interplay between module and
encoder
Replace module
Correct the parameter assignment
(diagnostics wire break set only with
the permitted measuring ranges).
Check supply voltage L+ on the
•
BaseUnit
Check BaseUnit type
•
Wait for firmware update
•
Restart the firmware update
•
Analog input module AI 8xI 2-/4-wire BA (6ES7134-6GF00-0AA1)
Manual, 03/2015, A5E34941201-AA