Xylem WTW DIQ/S 281, Руководство по эксплуатации

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DIQ/S 281 Operation
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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
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)
5 Call up the measured value display with
<M>
.
The display of the sensor in the measured value display flashes.
1 Call up the measured value display with
<M>
.
The display of the sensor in the measured value display flashes.
2 Open the
Display/Options
menu with
<OK>
.
3 Using
<

>
, highlight the menu item,
Switch maintenance
condition on/off
, and confirm with
<OK>
.
A window that informs you about the maintenance condition opens up.
4 Use
<OK>
to confirm
Continue
.
The maintenance condition of the sensor is switched off. Linked outputs
are released.
5 Call up the measured value display with
<M>
.
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).