WIKA PSD-31 - Manual (Page 19)

19 WIKA operating instructions pressure switch model PSD-3x
GB
11430486.06 02/2012 GB/D/F/E
6. Commissioning, operation
6.2 Operating modes
System start
■ Display is fully activated for 2 sec.
■ When the pressure switch is powered up within the range of the hysteresis, the output switch is set to
"not active" by default.
Display mode
Normal operation, display pressure value
Programming mode
Setting the parameters
6.3 Keys and functions
The pressure switch has two operating modes, the display mode and the programming mode. The
selected operating mode determines the respective function of the key.
Jumping into the programming mode
Keep the "MENU" key pressed for approx. 5 seconds. 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.
Returning to the display mode
Simultaneous pressing of both keys.