①
Non-hazardous area
②
Hazardous area
③
Basic electronics
④
Digital input DI1
Figure 5-5
Device version 2-/3-/4-wire, with connection type 4-wire
SIPART PS2 with 4 to 20 mA/HART
Operating Instructions, 11/2019, A5E00074631-AE
⑤
Power source
⑥
Signal source
⑦
HART communicator
nEx = Non-explosion-proof device version
Connection
5.2 Electrical wiring
81