Electrical Connections - Siemens SITRANS P220 Compact Operating Instructions

WARNING
Connecting device in energized state
Risk of explosion in hazardous areas.
Connect devices in hazardous areas only in a de-energized state.
•
Exceptions:
Devices having the type of protection "Intrinsic safety Ex i" may also be connected in energized state in hazardous
•
areas.
Exceptions for type of protection "Non-sparking nA" (Zone 2) are regulated in the relevant certificate.
•
Note
Electromagnetic compatibility (EMC)
You can use this device in industrial environments, households and small businesses.
For metal housings there is an increased electromagnetic compatibility compared to high-frequency radiation. This
protection can be increased by grounding the housing, see Electrical connections (Page 11).
Note
Improvement of interference immunity
Lay signal cables separately to cables with voltages > 60 V.
•
Use cable with twisted wires.
•
Keep the device and the cables at a distance from strong electromagnetic fields.
•
Note
Power supply
The device should only be supplied with limited energy according to UL61010-1 Second Edition, Section 9.3 or LPS (Low
Power Supply) in accordance with UL60950-1 or Class 2 in accordance with UL1310 or UL1585.
5.2

Electrical connections

Legend
I Output current
0
U Output voltage
0
Connecting with current output and connector in accordance
with EN 175301
SITRANS P220 (7MF1567)
A5E03304437-AA, 09/2017
U Auxiliary power
B
Grounding
R Load
L
Connecting with voltage output and connector in
accordance with EN 175301
11