Siemens SITRANS P - Connecting the Device; Opening the Device

Note
Improvement of interference immunity
• Lay signal cables separate from cables with voltages > 60 V.
• Use cables with twisted wires.
• Keep device and cables at a distance from strong electromagnetic 󹪝elds.
• Take account of the conditions for communication speci󹪝ed in the Technical data (Page 61).
• Use shielded cables to guarantee the full speci󹪝cation according to HART/PA/FF/Modbus/
EIA-485/Pro󹪝bus DP.
5.2 Connecting the device
5.2.1 Opening the device
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① Safety catch (optional)
② Cover of the electrical cable compartment.
Figure 5-2 Rear view of pressure transmitter
1. Use a 3 mm Allen key to loosen the safety catch ①.
2. Unscrew the cover of the electrical cable compartment ②.
Connecting
5.2 Connecting the device
SITRANS P320/P420
38 Compact Operating Instructions, 01/2021, A5E38874562-AC