152 Diagnostics
WAGO-I/O-SYSTEM 750
750-489 4AI RTD/TC/Strain Gauge Ex i
Manual
Version 1.1.0, valid from FW Version 02
Table 153: Behavior of the I/O Module in the Event of Overflow/Underflow
Overflow/
Underflow
Monitoring
*)
Underrange/
Overrange
Monitoring
*)
Behavior of the I/O Module in the Event
of Overflow/Underflow
Off
Off
•
The upper measurement range
value is output as a process value
•
No change to the status byte
•
Error LED does not light up
Off
On
•
The upper measurement range
value is output as a process value
•
Error bit is set
(bit 0: underrange or
bit 1: overrange)
•
General error (bit 6: general error)
is set
•
Error LED lights up
On
Off
•
Process value is saturated
•
Error bit is set
(bit 4: underflow or
bit 5: overflow)
•
General error (bit 6: general error)
is set
•
Error LED lights up
On
On
•
Process value is saturated
•
Error bit is set
(bit 4: underflow or
bit 5: overflow)
•
General error (bit 6: general error)
is set
•
Error LED lights up
*)
The different types of monitoring must be enabled/disabled separately.