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Note

Correct fastening of the cable glands

Fasten the cable glands as follows:

• M16 x 1.5 clamping range 5 to 10 mm made of plastic, counter nut and cap nut (clamp cables

or plugs) with a torque of 3.0Nm.

• M20 x 1.5 clamping range 10to14 mm made of plastic, counter nut and cap nut with a

torque of 4.5Nm.

• M16 x 1.5 clamping range 6 to 10 mm made of metal, counter nut and cap nut with a torque

of 6.5Nm.

• M20 x 1.5 clamping range 10 to 14 mm made of metal, counter nut and cap nut with a torque

of 9.0Nm.

Note

Electromagnetic compatibility (EMC)

You can use this device in industrial environments and small businesses. Metal housings show

increased electromagnetic compatibility compared to high-frequency radiation. The protection

from high-frequency radiation can be increased by grounding the housing.

Note

Improvement of interference immunity

• Lay signal cables separately from cables with voltages >60V.

• Use cables with twisted wires.

• Install the device and lay its cables at a distance to strong electromagnetic 󹪝elds.

• Use shielded lines to guarantee the full speci󹪝cation according to Ethernet/PROFIBUS.

Note

Unstable plug-in connections

Plug-in connections without interlock can loosen and fall out. Operation with Ex py or Ex ec can

cause an ignition.

• Secure plug-in connections without interlock mechanically, for example, with a cable tie.

8.2.3 Requirements for electrical connection

• You have ensured that a power disconnection unit belonging to the device is located in the

direct vicinity of the device.

This power disconnection device must be labelled so that it is linked exclusively with this

device.

• You have checked that the existing power supply corresponds to that speci󹪝ed on the rating

plate of the device.

Connecting the device

8.2Electrical connections

Wall-mounted device

106 Operating Instructions, 07/2023, A5E31930403-AB

Siemens SIPROCESS GA700 Operating Instructions

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