WIKA CPH7600 - Handbuch (Seite 32)

32 WIKA operating instructions, model CPH7600
14051628.01 11/2012 GB/D
GB
6. Commissioning, operation
6.10 Performing a pressure switch test
Figure 3: CPH7600 with pressure switch
To perform a switch test, the following steps must be taken:
1. The upper display is set to [P1] ST, all other displays are switched off.
The pressure switch test can be performed with the following functions
[P1] ST or EXT ST.
2. Connect the calibrator to the pressure switch using the switch terminals. The polarity
of the terminals does not matter. Then connect the pressure side of the calibrator
and the pressure switch.
Test item
Output signal
DC 24 V voltage
COM
Pressure
switch
Use small-volume
hose lines, as for as
possible