WIKA DPT-20, Руководство по эксплуатации

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5 Connecting to the bus system
WIKA Operating Instructions - Differential pressure transmitter DPT-20
5.3.3 Double chamber housing Ex d
5
0
1
0
1
+
6 7 8
Bus
2
3
1 2
( ) (-)
1 1
Fig. 30: Electronics compartment - double chamber housing
1 Internal connection to the connection compartment
2 Contact pins for the display and adjustment module or interface adapter
3 Simulation switch ("1" = mode for simulation release)
Bus
5
1 2 +
( ) (-)
6 7 8
2
3
4
1
Fig. 31: Connection compartment - double chamber housing
1 Voltage supply, signal output
2 For display and adjustment module or interface adapter
3 For external display and adjustment unit
4 Ground terminal for connection of the cable screening
5.3.4 Housing IP66/IP68 (1 bar)
1
2
Fig. 32: Wire assignment in permanently connected connection cable
1 Brown (+) and blue (-) to power supply or to the processing system
2 Shielding
Electronics compartment
Connection compartment
Wire assignment, con-
nection cable