VAC D400, Operating Instructions Manual

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42/18-82 EN Electro-pneumatic positioner TZIDC-220 31
5. Change parameter setting:
- Briefly press to select "CTCLOCKW".
6. Change over to parameter 3.3 "EXIT" and save the new setting:
- Press and hold
MODE
.
- In addition, 1 x briefly press .
is displayed.
- Release
MODE
.
- Briefly press to select "NV_SAVE.
- Press and hold
ENTER
until the displayed countdown from 3 to 0 has run down.
The positioner saves the new settings and automatically returns to the operating
level.
7. Return to the remote level.
- Press and hold
MODE
and
ENTER
.
- Wait until the countdown has run down from 3 to 0.
- Release
MODE
and
ENTER
.
is displayed (percentage is an example)
3.6 Functional test / maintenance
The TZIDC-220 positioner is virtually maintenance free.
To ensure error-free and maintenance-free operation always supply the positioner with
instrument air exempt from oil, water and dust according to DIN/ISO 8573-1 (purity and
oil content acc. to Class 3, pressure dew point 10 K below the operating temperature).
We recommend to check the integrated air filter on a regular basis and replace it if
required.
!
WARNING
Do not make any changes to devices with explosion protection.
IMPORTANT
You should be aware of the fact that the positioner's warranty will expire
immediately if you should modify or manipulate the electronics of a
positioner without explosion protection.
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