Rockwell Automation Publication 1756-UM540E-EN-P - December 2017 215
Appendix C
1492 Analog Interface Modules
As an alternative to buying RTBs and connecting the wires yourself, you can buy a
wiring system that connects to I/O modules through pre-wired and pre-tested
cables.
The following table lists the analog interface modules (AIFMs) available for use
with the ControlLogix eight-channel analog I/O modules.
ATTENTION: The ControlLogix® system has been agency certified using only
the ControlLogix RTBs (catalog numbers 1756-TBCH, 1756-TBNH, 1756-TBSH
and 1756-TBS6H). Any application that requires agency certification of the
ControlLogix system using other wiring termination methods may require
application specific approval by the certifying agency.
You can use the 6-channel AIFMs, for example, 1492-AIFM6S-3, listed with
8-channel analog I/O modules.
We recommend that you use the 8-channel AIFMs, for example,
1492-AIFM8S-3, in your application whenever possible.
Module Cat. No. Operating Mode AIFM Cat. No.
Fixed Terminal Block
AIFM Cat. No.
RTB Socket Assembly
Pre-wired Cable Cat. No.
where x = Cable Length
1756-IF8I Current (Internal or External Source
Loop Current)
1492-AIFM8S-3 1492-RAIFM8S-3 1492-ACABLExYA
Current (External Loop Power only) 1492-AIFM8S-3 1492-RAIFM8S-3 1492-ACABLExYA
1492-AIFM6S-3 1492-RAIFM6S-3 1492-ACABLExYA
1492-ACABLExYE
Voltage 1492-AIFM8S-3 1492-RAIFM8S-3 1492-ACABLExYB
1492-AIFM6S-3 1492-RAIFM6S-3 1492-ACABLExYB
1756-IRT8I RTD 1492-AIFM8S-3 1492-RAIFM8S-3 1492-ACABLExYF
1492-AIFM6S-3 1492-RAIFM6S-3 1492-ACABLExYF
Thermocouple 1492-AIFM8TC-3 1492-RAIFM8TC-3 1492-ACABLExYC
1492-AIFM6TC-3 1492-RAIFM6TC-3 1492-ACABLExYC
1756-OF8I Current 1492-AIFM8S-3 1492-RAIFM8S-3 1492-ACABLExYA
1492-AIFM6S-3 1492-RAIFM6S-3 1492-ACABLExYA
Voltage 1492-AIFM8S-3 1492-RAIFM8S-3 1492-ACABLExYB
1492-AIFM6S-3 1492-RAIFM6S-3 1492-ACABLExYB
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