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1. Connect the device to the system via the existing protective ground connection
⑧
by
observing the torques.
– Use a cable with a diameter of 1 … 4 mm
2
.
2. Insert the connecting cable through the cable gland
③
.
3. Connect the wires to the connection terminals
④
"+" and "-", observing the polarity and the
torques.
– Use wires with a diameter of 0.5 ... 2.5 mm
2
.
– If you use stranded wire used, you need a ferrule.
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. It may otherwise 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
Connecting
6.2 Connecting the device
SITRANS P320/P420 with 4 to 20 mA/HART
70
Operating Instructions, 11/2019, A5E44852162-AC