IFX-21 User Guide
BASF
Installation and Commission
7/12/2019
V004
9 of 22
Active*
(Supplying power to loop)
Modbus
TIA-485-A
(RS485)
T
ABLE
1:
E
XPANDED DEVICE WIRING
*The IFX-21 is natively a passive analog device, it will modulate incoming current but it
provides no voltage. If required the incoming power may be routed to also provide power
to the analog loop, though doing so will compromise the isolation of the analog loop.