Manual Control; Alarm Contact - Xylem WTW DIQ/S 281 Operating Manual

Universal transmitter for one digital sensor
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Outputs
Function
Function
104
The next cleaning cycle will be performed at the time set up.
In case of a power failure, all relays open. The cleaning cycle is
canceled. The outputs linked with the sensor change to the non-
active condition (see section 6.9.2). As soon as the power is avail-
able, the outputs are released again. The next cleaning cycle will be
performed at the time set up.

6.6.8 Manual control

The Manual control function can be used to test the operativeness of an instru-
ment that is connected to the relay. To do so, close or open the relay manually
and, while doing so, check the behavior of the connected instrument.
Setting
Relay function
Action
The settings for other functions in the Relay function menu as, for
example, Frequency controller and Pulse-width output are retained
while the Manual control is carried out.

6.6.9 Alarm contact

The Alarm contact function triggers a relay action (opening or closing) if a
defined alarm event takes place. The Alarm contact function is only available for
relays that are not linked with a sensor. If necessary, an existing link must be
erased.
Setting
Relay function
Action
Selection/Values
Manual control
Open
Close
Selection/Values
Alarm contact
Open
Close
Explanation
The selected relay action is
carried out with Save and quit.
Relay action (see section 6.6.1)
Explanation
The selected relay action is
carried out with Save and quit.
Relay action (see section 6.6.1)
ba77244d01
DIQ/S 281
08/2020

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