3. Connect the wires to the connecting terminals ④ "+" and "-".
Ensure the correct polarity!
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.
6.2.3 Closing the device
Procedure
① Cover over buttons ⑤ Blanking plug
② Cable gland ⑥ Safety catch (front)
③ Safety catch (back) ⑦ Cover (front), optionally with inspection window
④ Cover (rear) for electrical terminal compartment
Figure 6-3 View of the pressure transmitter: Left: Back right: Front view
1. Screw on the cover ④ and ⑦ as far as it will go.
Make sure that there is no gap between enclosure and cover.
2. Secure each cover with the cover catch ③ and ⑥ by removing the screw.
3. Close the cover over the buttons①.
Connecting
6.2 Connecting the device
SITRANS P320/P420 (mA/HART)
64 Operating Instructions, 06/2018, A5E44852162-AA
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