Siemens SITRANS P - 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
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RU
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Figure 4-14 Possible system configuration
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.
Description
4.5 System configuration
SITRANS P320/P420 with 4 to 20 mA/HART
Operating Instructions, 11/2019, A5E44852162-AC 39