Diagnostics Alarms - Siemens SIMATIC ET 200SP Manual

5.3

Diagnostics alarms

A diagnostics alarm is output for each diagnostics event and the DIAG LED on the module
flashes. 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- 5 Diagnostics alarms, their meaning and remedies
Diagnostics alarms
Channel temporarily
unavailable
Wire break
Violation of high limit
1
Violation of low limit
1
Error
Parameter assignment
error
Load voltage missing
Analog input module AI 8xRTD/TC 2-wire HF (6ES7134-6JF00-0CA1)
Manual, 02/2014, A5E32942580-AA
Error code Meaning
1F Firmware update is being performed.
H
Channel 0 applies to the entire module.
The module is currently not performing
any measurements.
The channel is currently being calibrated.
6 Resistance of sensor circuit too high
H
Wire break between the module and
sensor
Channel not connected (open)
7 Value lies above the overrange.
H
Wire break
8 Value lies below the underrange.
H
9 Internal module error has occurred
H
(diagnostics alarm on channel 0 applies to
the entire module).
10 The module cannot evaluate parameters
H
for the channel: Module plugged in does
not match the configuration.
Incorrect parameter assignment.
11 Missing or insufficient supply voltage L+
H
2
Interrupts/diagnostics alarms
5.3 Diagnostics alarms
Remedy
–
Use a different sensor type or modify
the wiring, for example, using cables
with larger cross-section
Connect the cable
Deactivate diagnostics
•
Connect or deactivate the channel
•
Correct module/sensor interplay
See Wire break
Correct module/sensor interplay
Replace module
Correct the configuration
•
(comparison of preset and actual
setup).
Correct the parameter assignment
•
(diagnostics wire break set only
with the permitted measuring
ranges).
Check supply voltage L+ on the
•
BaseUnit
Check BaseUnit type
•
37