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5. Commissioning, operation
5.5 Zero point setting
Check the indicated zero point on the digital indicator during commissioning. Should a zero point offset be displayed as
a result of installation, this can be reset in programming mode with the 0SET parameter
Carry out zero point setting for gauge and vacuum pressure measuring ranges in a depressurised state.
EN
Carry out zero point setting of absolute pressure measuring ranges at 0 bar absolute (vacuum).
Since appropriate references are required for this, we recommend that this is only carried out by the
manufacturer.
5.6 Operating modes
Mode
System start
Programming mode
(setting the parameters)
Display mode
(normal operation, display of
pressure value)
14
Description
Digital indicator is fully activated for 1 sec.
When the pressure switch is powered up within the range of the hysteresis, the output switch is set to
"not active" by default.
Activating the programming mode
Keep the "MENU" button pressed for approx. 5 sec. If the password is set to ≠ 0000, a password will be
requested. If authentication is successful, then it enters the programming mode, otherwise it reverts to
display mode.
Timeout
If, during the setting of a parameter, no button is pressed for 60 s, the instrument returns to the display
mode with the value unchanged.
Returning to the display mode
Simultaneous pressing of "INFO" and "MENU"
WIKA operating instructions pressure switch, model PSD-4
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