Operation (Hart Communication) - Siemens SITRANS F US Operating Instructions Manual

Digital output DA2
(relay output)
Terminals 3 and 4
4.2

Operation (HART communication)

The device can be operated with:
• operating and display panel
• HART-Communicator
• PC/Laptop and software SIMATIC PDM with HART modem (coupling module)
Electrical connection of PC/Laptop with HART modem and HART-Communicators to 4 - 20 mA
signal line is shown in figure below.
Warning
Do not use
intrinsically safe circuits.
18
Electrical connection, schematic diagram
coupling module (HART modem) in hazardous areas and do not connect to
SFIDK.PS.029.E5.02 / SW 2.01.07
type of protection Intrinsic Safety Ex ia IIC/IIB
only for connection to a certified intrinsically
safe circuit.
Max. values:
Ui = 30 V
Ii = 100 mA DC
Ii = 50 mA AC
Ci = 24 nF
Li = 73 uH
(≤
330 Ohm for
Ex-version)