WIKA UPT-21 - Handbuch (Seite 23)

23 WIKA operating instructions process transmitter, model UPT-2x
14068347.01 06/2014 GB/D
GB
6 Commissioning, operation
■ Wire cross-section:
- Single wire: 0.13 ... 2.5 mm 2
- End splices: 0.13 ... 1.5 mm 2
- Ground screw, inside: 0.13 ... 2.5 mm²
- Ground screw, outside: 0.13 ... 4 mm²
- When using DIN 175301-803 A angular connector 1.5 mm² (only via end splices)
■ When using an M12 x 1 (4-pin) circular connector, the mating connector is supplied
by the customer. It is important to ensure the matching design from the connector
manufacturer.
6.2.2 Making the electrical connection
CAUTION!
Ingress of moisture.
Moisture can destroy the process transmitter.
- Protect the opened process transmitter against moisture.
1. Screw off the case head cover by hand and pull out the display and operating unit or
push-on cap.
2. Pass the connection cable through the cable gland and connect it.
- For pin assignment see chapter 6.2.3 “pin assignments”.
- Ground the process transmitter via the process connection or connect with the
equipotential bonding via the external grounding screw.
3. Tighten the cable gland.
- Recommended tightening torque 1.5 Nm
- Check that the seals are correctly seated in order to guarantee the ingress
protection.
- Ensure that no moisture can enter at the cable end.