28
5 Connecting to the bus system
WIKA Operating Instructions - Process pressure transmitter CPT-2x
1 2 3 4
6
3
4
1
2
5
Fig. 29: Connection of the process component in the housing base
1 Yellow
2 White
3 Red
4 Black
5 Shielding
6 Breather capillaries
1
2
( )
(-)
1
5
0
1
0
1
+
6 7 8
Bus
2
3
4
5
Fig. 30: Electronics and connection compartment - single chamber housing
1 Voltage supply, signal output
2 Contact pins for the display and adjustment module or interface adapter
3 Simulation switch ("1" = mode for simulation release)
4 For external display and adjustment unit
5 Ground terminal for connection of the cable screening
5.8 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
Terminal compartment,
housing socket
Electronics and connec-
tion compartment