WIKA D-20-9 Operating Instructions Manual page 11

5. Commissioning, operation
Requirements for electrical connection
Cable diameter matches the cable bushing of the mating connector.
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Cable gland and seals of the mating connector are correctly seated.
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With cable outlets, no humidity can ingress at the cable end.
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The IP ingress protection only applies when plugged in using mating connectors that have the appropriate IP
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ingress protection.
Requirement for shielding and grounding
The instrument must be grounded via the process connection.
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Use the instrument with shielded cable, and ground the shield on at least one end of the lead.
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Pin assignment (per CiA-DR 303-1)
Circular connector M12 x 1 (5-pin)
WIKA operating instructions, pressure sensor, models D-20-9, D-21-9
Shield
UB+
UB-
CAN-High
CAN-Low
1
2
3
4
5
EN
11