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DIQ/S 28X Outputs
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7.6.3 Sensor monitoring
Function The Sensor monitoring function enables the monitoring of sensor errors and the
maintenance condition.
In order to set up the Sensor monitoring function for a relay output, the relay out-
put must be linked with a sensor (see section 7.4).
Settings
Sensor messages include errors and information that are registered by the sen-
sor.
Special
sensor errors
The special sensor errors are sensor-dependent. Details of this are given in the
component operating manual of the respective sensor.
General
Sensor errors
Setting Selection Explanation
Errors
Special Special sensor errors are monitored and
can prompt a relay action.
All All sensor errors (special ones and gen-
eral ones) are monitored and can prompt
a relay action.
Off Sensor errors are not monitored.
Mainten. Condition
On
Off Switching on and off the maintenance
condition (see section 7.10) is monitored
and can prompt a relay action.
Action
Open
Close Relay action (see section 7.6.1)
Preferably set up the relay output for monitoring functions as an
opener (
Action Open , see section 7.6.1).
Init
This can prompt a relay action for a short time, depending on
the starting behavior of the system
----
Invalid measured value, or defective sensor
Error
Communication with sensor interrupted
OFL
Measuring range undercut or exceeded (overflow)