Modbus; Profibus Pa - Siemens SITRANS FC720 Operating Instructions Manual

Electrical interfaces
Iout2
P/Sout1
P/Sout2
Intrinsically safe outputs are only available in combination with selecting Ex approval of
the device, see order code position 15 in the table of chapter Order code description.

11.1.4 Modbus

Modbus interface is available with configurable I/O option.
Output Signal
Digital communication signal according to EIA485 standard (RS485).

11.1.5 PROFIBUS PA

PROFIBUS PA interface is available with and without intrinsically safety.
Order code
position -Z
E010+F41
E010+F42
PROFIBUS PA
Pulse Passive
Intrinsically safe (IS) outputs are only available in combination with selecting Ex approval
of the device, see order code position 15 of the table in chapter Order code description.
Output Signal
Digital communication signal according to IEC 61158/61784.
Maximum voltage and correct polarity must be observed for wiring.
Power supply
Current draw
Analog current output
Pulse or status output
Pulse or status output
Balanced Pair
SITRANS FC Slave n
Connection terminal assignment
I/O1 +/- I/O2 +/-
Pulse
PROFIBUS
PA
Passive
Pulse
PROFIBUS
PA (IS)
Passive (IS)
PA communication
Pulse / Frequency output
Value
9 – 32 V
15 mA (maximum)
Master
Pull Up
Common
LT: Line Termination
I/O3 +/- I/O4 +/-
– –
– –
DC
A5E52748387-AA, 2023/09
FC7x0
Transmitter
Pull Down
WP
Write-protect
Write-protect
83 / 180