6.4 Application case 2: SIL3/Cat.3/PLd, 4-wire transducer, 1oo1
Denition
In the following, you can nd the wiring diagram and the conguration of the I/O module F-AI
8xI 2-/4-wire HART HA for application case 2:
• SIL3/Cat.3/PLd
• 1oo1 evaluation
• 4-wire transmitter
You can nd possible diagnostic messages, their causes and remedies in the "Diagnostic
messages" section.
Wiring
You perform the wiring on the appropriate terminal block. You can nd more information on this
in the section "Terminal assignment (Page 17)".
Sensor supply
The sensor supply is external for a 4-wire transmitter.
Wiring scheme
XJSFUSBOTNJUUFS
SFDPNNFOEFE
&YUFSOBMGVTFSFRVJSFE
*N"
GBTUBDUJOH
*O
67O
*O
.O
.
-
.
-
'"*Y*XJSF)"35)"
%-""1)
WARNING
Requirement for sensor
To achieve SIL3/Cat.3/PLd using this wiring, you must use a qualied sensor.
(FAIW-004)
Applications of the F-I/O module
6.4 Application case 2: SIL3/Cat.3/PLd, 4-wire transducer, 1oo1
F-AI 8xI 2-/4-wire HART HA
44 Equipment Manual, 09/2021, A5E50557845-AA