Siemens SITRANS P Operating Instructions Manual page 39

System communication
Communication is via the HART protocol, using:
● HART Communicator (load 230 ... 1100 Ω)
● PC with HART modem on which appropriate software is installed, e.g. SIMATIC PDM (load
230 ... 600 Ω)
● Control system which can communicate via the HART protocol, e.g. SIMATIC PCS7
Figure 4-14
Devices with "intrinsically safe" type of protection
For an intrinsically safe supply, use only intrinsically safe HART communicators (e.g. FC475)
or intrinsically safe HART modems.
SITRANS P320/P420 with 4 to 20 mA/HART
Operating Instructions, 11/2019, A5E44852162-AC
Possible system configuration
Description
4.5 System configuration
39