Siemens Simatic ET 200S Operating Instructions Manual page 184

Alarm, error and system messages
8.1 Alarm, error and system messages on PROFIBUS DP
Digital electronic modules
4DI NAMUR
8-36
Error class
1 00001: Short circuit
D
(only NAMUR changeover
contacts and NAMUR
sensors)
6 00110: Wire break
D
9 01001: Fault
D
16 10000: Parameter
D
assignment error
26 11010: External error
D
Meaning
Short circuit in
signaling line to sensor
Sensor is defective.
Wrong sensor type
assigned.
Load impedance too
low
Signal line to a sensor
interrupted.
Sensor is defective.
Wrong sensor type
assigned.
Load impedance too
low
Internal module error
occurred.
Sensor signal flutters.
Faulty parameter
assignment
Sensor error.
Changeover contact
fault.
Operating Instructions, 12/2005, A5E00515771-03
Remedy
Correct the process
wiring.
Replace the sensor.
Correct the parameter
assignment.
Use an encoder with
higher impedance
Correct the process
wiring.
Replace the sensor.
Correct the parameter
assignment.
Use an encoder with
higher impedance
Replace the module.
Eliminate cause of error.
Correct the parameter
assignment.
Replace the sensor.
Correct the process
wiring.
ET 200S