Electrical Connection Of Potential-Free Pressure Switches - WIKA CPH7650 Betriebsanleitung

4. Design and function

4.3.1 Electrical connection of potential-free pressure switches

1. Without its own power supply, the DC 24 V voltage must be activated via the menu
(see chapter 6.6 "Operating modes")
EN
2. With its own power supply available
20
24V
test item self-powered -
output
2wire (mA) no
yes
2wire (mA)
UB-
3wire (mA)
no
3wire (V)
no UB-
- 24V OUT +
24V
test item self-powered -
output
2wire (mA) no
2wire (mA) yes
UB-
3wire (mA)
no
3wire (V) UB-
no
- 24V OUT +
V
+ - +
max. 12V
sig+
UB+
UB+
sig+
- V +
V
+ - +
max. 12V
sig+
UB+
UB+ sig+
- V +
WIKA operating instructions, model CPH7650
mA
- +
max. 24mA
sig+
sig- sig+
sig+
- mA / +
mA
- +
max. 24mA
sig+
sig- sig+
sig+
- mA / +