1. Connect the device to the system via the existing protective conductor connection ⑦ by
observing the torques.
– Use a cable with a diameter of 1…4mm
2
.
2. Insert the connecting cable through the cable gland ③.
3. Connect the wires to the connection terminals ④ "+" and "-", observing the torques.
– Use wires with a diameter of 0.5...2.5 mm
2
.
– If you use stranded wire, you need ferrules.
4. Apply the shield to the screw of the ground terminal ⑨.
The screw of the ground terminal is electrically connected to the external protective
conductor connection.
NOTICE
Incorrect measured values with incorrect grounding
The device must not be grounded using the "+" connection. Otherwise, the device may
malfunction and be permanently damaged.
- If necessary, ground the device using the "-" connection.
5. For devices with intrinsically safe protection type, use a supply unit that corresponds to the
requirements of the relevant type of protection.
See also
Torques (Page43)
Connecting
3.2Connecting the device
SITRANS P320/P420
Service Manual, 11/2023, A5E44914141-AC 11
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