Siemens SIMATIC ET 200S Manual page 201

Table 6-13 Digital electronic module error types
Digital electronic
modules
4DI 24--48 VUC High
Feature
2DO 24 VDC/0.5 A
High Feature
2DO 24 VDC/2 A High 2DO 24 VDC/2 A High
Feature
4DI NAMUR
ET 200S Distributed I/O System
EWA-4NEB 780602402-12
Error type
26 11010: External
D
error/fault
1 00001: Short-circuit
D
6 00110: Wire break
D
1 00001: Short-circuit
D
6 00110: Wire break
D
9 01001: Error
D
16 10000: Parameter
D
assignment error
26 11010: External
D
error/fault /f lt
Commissioning and Diagnostics
Meaning
Line to the actuator
interrupted.
No supply voltage, or
inadequate supply
voltage.
Fuse triggered.
Short circuit of the
actuator supply to
ground.
Line to the actuator
interrupted.
Short circuit in signal
line to sensor
Defective encoder
Wrong encoder type
set
Load impedance too
low.
Signal line to a
sensor interrupted.
Defective encoder
Wrong encoder type
set
Load impedance too
low.
Internal module error
occurred.
Sensor signal flutters. Eliminate cause
Parameter
assignment error
Sensor error.
Changeover contact
error.
Remedy
Correct the process
wiring.
Correct the process
wiring. Check the
supply voltage.
Replace the fuse.
Correct the process
wiring.
Correct the process
wiring
Replace the sensor
Correct the
parameter
assignment
Use a sensor with
increased
impedance.
Correct the process
wiring
Replace the sensor
Correct the
parameter
assignment.
Use a sensor with
increased
impedance.
Replace the module
Correct the
parameter settings
Replace the sensor
Correct the process
wiring
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