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Procedure

1. Undo the six screws ③ and open the door of the wall-mounted device.

2. Remove the shield plate ④ on the right side panel. To do this, loosen the screws.

3. Unscrew the union nut of the cable gland ⑤.

4. Insert the connecting cable through the cable gland ⑤.

5. Press the wire end ferrules onto the ends of the wires. Then connect the wires of the

connecting cable to the IEC connector ② at the marked position. Make sure that the power

supply and PE conductor connections are correct!

Tighten the screws to the appliance plug with a torque of

– 0.5Nm at the terminals

– 0.3Nm at the strain relief and the connector housing.

6. Connect the appliance plug ② to the power supply unit ①.

7. In case of operation with type of explosion protection Ex py or Ex ec: Place the supplied

guard bracket ⑦ over the IEC connector ② and screw it to the enclosure. The torque is

2.5Nm.

8. Fasten the connecting cable in the cable gland ⑤. To do this, tighten the union nut with a

torque of 4,5 Nm for plastic glands and 9 Nm for metal glands (see Cable glands (Page91)).

9. Place the shield plate ④ back into the wall-mounted device and fasten it with screws. The

torque is 2.0Nm.

10.Close the door of the wall-mounted device and tighten the six screws ③ again with a torque

of 2.0Nm.

11.Connect the device to the equipotential bonding ⑥. To do this, connect the ring cable lug

with spring washer to the threaded bolt M5 with a torque of 5.0Nm.

4.7.4 Connecting the signal cables

4.7.4.1 Permitted signal cables

The following cable cross-sections for use as signal cables must be met for the terminals:

• Solid conductor 0.08 … 2.5mm² (28 … 12AWG)

• Finely-stranded conductor 0.08 … 2.5mm² (28 … 12AWG)

• Finely-stranded conductor; with end sleeve with plastic collar 0.25 … 1.5mm² (23 … 16

AWG)

• Finely-stranded conductor; with end sleeve without plastic collar 0.25 … 2.5 mm² (23 … 12

AWG)

Note

The stripped length should be 5 … 6mm (0.2 … 0.24").

Connecting

4.7Connecting the wall-mounted device

SIPROCESS GA700 rack and wall mounted devices

Compact Operating Instructions, 06/2023, A5E35134047-AB 61

Siemens SIPROCESS GA700 Compact Operating Instructions

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