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WAGO-I/O-SYSTEM 750
Diagnostics 101
750-464 2/4 AI RTD configurable
Manual
Version 1.0.1
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8
Diagnostics
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8.1
Behavior in the Event of an Error
The behavior in the event of an error depends on the configuration of the wire
break/short circuit monitoring and the underrange/overrange monitoring.
Table 86: Behavior in the event of an error dependent on the configuration
Configuration
Behavior for range
violation
Behavior for wire break/
short circuit
Wire break/
short circuit
monitoring
Underrange/
overrange
monitoring
Off
Off
Process value is saturated,
no change in statues byte,
error LED on
Process value is saturated,
no change in statues byte,
error LED on
Off
On
Process value is saturated,
error bit (bit 0: Underrange
or bit 1: Overrange),
Gen. error (bit 6) is set,
error LED on
Process value is saturated,
error bit (bit 0: Underrange
for short circuit or bit 1:
Overrange for wire break),
Gen. error (bit 6) is set,
error LED on
On
Off
Process value is saturated,
no change in statues byte,
error LED on
Process value is saturated,
error bit (bit 4 for short
circuit or bit 5 for wire
break) is set,
Gen. error (bit 6) is set,
error LED on
On
On
Process value is saturated,
error bit (bit 0: Underrange
or bit 1: Overrange),
Gen. error (bit 6) is set,
error LED on
Process value is saturated,
error bits (bit 0 and bit 4 for
short circuit or bit 1 and bit
5 for wire break) is set,
Gen. error (bit 6) is set,
error LED on
The limits for detecting an underrange/overrange or a short circuit or wire break
and the output process values are specified in the process image tables.
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