Siemens SIMATIC ET 200S Manual page 177

Table 6-14 Digital electronic module error types, continued
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-4NEB780602402-09
Error type
26 11010: External fault
D
1 00001: Short circuit
D
6 00110: Open circuit
D
1 00001: Short circuit
D
6 00110: Open circuit
D
9 01001: Error
D
16 10000: Parameter
D
assignment error
26 11010: External fault
D
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 on the
signal line to the
sensor.
Sensor is defective.
Wrong sensor type
parameterized.
Load impedance too
low.
Signal line to a
sensor interrupted.
Sensor is defective.
Wrong sensor type
parameterized.
Load impedance too
low.
Internal module error
occurred.
Sensor signal flutters. Eliminate
Parameter
assignment error.
Sensor error.
Changeover contact
error.
What to do
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.
cause.
Correct the
parameter
assignment.
Replace the sensor.
Correct the process
wiring.
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