IFX-21 User Guide
BASF
Device Operation and Setup
7/12/2019
V004
10 of 22
5. D
EVICE
O
PERATION AND
S
ETUP
O
VERVIEW OF
C
ONNECTION
M
ETHODS
An important feature of the IFX-21 is its support for daisy chaining multiple units together. In
Figure 8 examples are shown of the minimum connections necessary to receive temperature
readings over various protocols. In these examples 4 units are shown, however the
methodology would be the same for any number of units.
BASF recommends that only communication connections necessary to the application be
implemented. Redundant connections, such as utilizing both Modbus and Ethernet, should be
avoided unless they are for periodic service purposes only.
Analog output
Ethernet
RS485 Modbus
USB service connection
F
IGURE
8:
C
ONNECTION METHODS FOR THE
IFX-21
