27
5 Connecting to power supply
WIKA Operating Instructions - Process pressure transmitter CPT-2x
1 2 3 4
6
3
4
1
2
5
Fig. 25: Connection of the sensor in the housing base
1 Yellow
2 White
3 Red
4 Black
5 Shielding
6 Breather capillaries
1
2
+
( )
(-)
4...20mA
2
3
1
Fig. 26: Electronics and connection compartment, single chamber housing
1 Voltage supply, signal output
2 For display and adjustment module or interface adapter
3 Ground terminal for connection of the cable screening
5.6 Switch-on phase
After connecting the instrument to power supply or after a voltage
recurrence, the instrument carries out a self-check:
•
Internal check of the electronics
•
Indication of a status message on the display or PC
•
The output signal jumps to the set fault current
Terminal compartment,
housing socket
Electronics and connec-
tion compartment
