OVERVIEW

Official designation: Allen-Bradley 1492-AIFM6TC-3 (Bulletin 1492, Analog Interface Module)

Role/Application: Six-channel thermocouple analog input interface module (AIFM); connects field wiring to PLC I/O, providing fixed terminal blocks and on-board cold junction compensation for temperature monitoring.

KEY SPECS SUMMARY

Power: 0 to 132 V AC/DC

Interfaces / Ports: 6 channels, 3 terminals/channel

Indicators: None

Operating Temp: 0 degrees C to 60 degrees C

Platform / Compatibility: ControlLogix I/O, DIN rail mount

Limit: 2 A per circuit, 12 A per module

Lifecycle: Current Product

FREQUENTLY ASKED QUESTIONS

Technical Specifications:

Q: What is the primary function of the three terminals provided for each input channel?

A: The three terminals support three-wire connections, essential for proper thermocouple cold junction compensation.

Wiring & Installation:

Q: What is the recommended wire gauge range and the screw torque for the field-side terminals?

A: The recommended wire gauge is 22 to 12 AWG with a torque of 3.5 to 4.5 inch-pounds.

Troubleshooting & Compatibility:

Q: What key feature does the module provide to ensure accurate thermocouple readings?

A: The module includes on-board cold junction compensation and an isothermal bar to correct temperature measurement.

Replacement & Upgrades:

Q: Is this module compatible with SLC I/O systems or is it dedicated to a specific platform?

A: This module is designed for the ControlLogix I/O platform and cannot be used with SLC I/O.