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On error the ERR LED shows an error by a corresponding blink behavior.
‘SDI 4xDC 24V - Operating and display elements’ page 27
Thus diagnostic messages that persist only for a short time, also can be
handled, you have to adapt the error handling in the corresponding error
OB of your user program for example the diagnostic messages are stored
in a data block.
SDI 4xDC 24V
Error
Behavior of the diagnostic mes-
sages
Error recovery
Short circuit
n
The test pulses are no longer
detected on the input.
n
e.g. cross circuit to DV 24V
Error is permanently reported.
Correct the wiring, sensor or configu-
ration errors.
Acknowledge the error and perform a
power cycle.
Cross circuit
n
At an input the wrong test pulses
are detected.
n
e.g. wiring error.
Error is permanently reported.
Correct the wiring error.
Acknowledge the error and perform a
power cycle.
Discrepancy error
n
The signal state of the dual-
channel input does not match.
The error is only a short time reported. Correct the wiring, sensor or configu-
ration error.
Acknowledge the error and perform a
power cycle.
The address switch for F-address was
changed
n
The address switch and the con-
figuration was changed.
n
e.g. module replacement
Error is permanently reported.
‘Changing the F-address’ page 72
Perform a power cycle.
Other errors
n
Error in configuration
Error is permanently reported.
Correct the configuration data such as
a wrong F-address.
Perform a power cycle.
Other errors
n
"Light" internal errors
Error is permanently reported.
Perform a power cycle.
Other errors
n
"Heavy" internal errors
An error can not be reported. The
System SLIO Safety module switches
into safe mode and then becomes
inactive.
Perform a power cycle.
ERR LED status in case of
error
VIPA System SLIO
Deployment
Diagnostics > Fault diagnostics
HB300 | SM-S | 02x-1SD10 | en | 20-02
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