Switching Off The Maintenance Condition; Usb Interface - Xylem WTW DIQ/S 281 Operating Manual

DIQ/S 281
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5 Call up the measured value display with
The display of the sensor in the measured value display flashes.
Subsequently, perform the cleaning, maintenance or repair work (removal and
replacement).
When you have finished calibrating, cleaning, servicing or repairing the sensor,
switch off the maintenance condition manually (see section 4.8.3).

4.8.3 Switching off the maintenance condition

1 Call up the measured value display with
The display of the sensor in the measured value display flashes.
2 Open the Display/Options menu with
<
3 Using 
condition on/off, and confirm with
A window that informs you about the maintenance condition opens up.
<OK>
4 Use
The maintenance condition of the sensor is switched off. Linked outputs
are released.
5 Call up the measured value display with
The display of the sensor in the measured value display does not flash.
If a power failure occurs, the outputs automatically are in the non-
operative condition (relays: open, current output: 0 A; see compo-
nent operating manual of the output module). After the end of the
power failure the outputs work as defined by the user again.
If a power failure occurs while an IQ sensor that is linked with an out-
put is in the maintenance condition, the current and relay outputs
work as defined by the user after the maintenance condition has
been switched off only (see section 4.8.3).
4.9

USB interface

The USB interface on the DIQ/S 28X can be used for the following actions:
 Carrying out a software update
(see section 4.11)
 Accessing the system with the Electronic Key
(see section 4.3)
08/2020
>
, highlight the menu item, Switch maintenance
to confirm Continue.
<M>
.
<M>
.
<OK>
.
<OK>
.
<M>
.
Operation
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