24
5 Connecting to the bus system
WIKA Operating Instructions - Process pressure transmitter CPT-2x
7. Check the hold of the wires in the terminals by lightly pulling on
them
8. Connect the shielding to the internal ground terminal, connect the
external ground terminal to potential equalisation
9. Tighten the compression nut of the cable entry gland. The seal
ring must completely encircle the cable
10. Reinsert the display and adjustment module, if one was installed
11. Screw the housing lid back on
The electrical connection is finished.
5.3 Single chamber housing
The following illustration applies to the non-Ex, Ex-ia and Ex-d ver-
sion.
1
2
( )
(-)
1
5
0
1
0
1
+
6 7 8
Bus
2
3
4
5
Fig. 21: 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
5.4 Double chamber housing
The following illustrations apply to the non-Ex as well as to the Ex-ia
version.
Electronics and connec-
tion compartment
