Endress+Hauser Viomax CAS51D, Operating Instructions Manual

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Electrical connection Viomax CAS51D
24 Hauser
6 Electrical connection
L
WARNING
Device is live
Incorrect connection may result in injury or death
‣
The electrical connection may be performed only by an electrical technician.
‣
The electrical technician must have read and understood these Operating Instructions
and must follow the instructions contained therein.
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Prior to commencing connection work, ensure that no voltage is present on any cable.
6.1 Connecting to the transmitter
6.1.1 Applying the cable shield to the grounding rail of the
transmitter
L
WARNING
Sensor not grounded
If maintenance work (lamp replacement) is not performed correctly, moisture or dirt may
penetrate the housing and cause an electric shock to anyone who touches it.
‣
To guarantee safety in your workplace, always connect the sensor's cable shield to the
grounding rail of the transmitter or control cabinet.
If possible, only use terminated genuine cables. The sensor cables must be shielded.
Cable sample (does not necessarily correspond to the genuine cable supplied)
1
2
3
 21 Terminated cable
1 Outer shield (exposed)
2 Cable cores with ferrules
3 Cable sheath (insulation)
4
 22 Inserting the cable
4 Grounding clip
 23 Tighten screw (2 Nm)
The cable shield is grounded using
the grounding clamp.
1)
1) Please note the instructions in the "Guaranteeing the degree of protection" section.
1. Release a suitable cable gland on the underside of the housing and remove the
dummy plug from the entry.
2. Making sure the gland is facing the right direction, thread the gland onto the cable
end and pull the cable through the entry and into the housing.
3. Route the cable in the housing in such a way that the exposed cable shield fits into
one of the cable clamps and the cable cores can be easily routed as far as the
connection plug on the electronics module.
4. Screw on the cable clamp and clamp the cable in place. Then tighten the screw of the
cable clamp.
5. Connect the cable cores as per the wiring diagram.