Allen-Bradley 1492-CM1771-LD006 1492 I/O Wiring Conversion System Swing-Arm Conversion Module

Allen-Bradley 1492-CM1771-LD006 1492 I/O Wiring Conversion System Swing-Arm Conversion Module Configured for analog input migration in Allen-Bradley PLC conversion systems, the Allen-Bradley 1492-CM1771-LD006 (1492-CM1771-LD006 swing-arm conversion module) provides direct electrical execution between legacy 1771 swing-arm terminations and ControlLogix 1756 analog input assemblies. The module preserves existing field-side wiring paths while redirecting signal termination to compatible 1756 removable terminal blocks. Suffix Breakdown & Model Matrix Model Variant Description 1492-CM1771-LD006 Swing-arm conversion module Legacy Module Compatibility 1771-IFE analog input module ControlLogix Compatibility 1756-IF8 analog input module Conversion Method Existing swing-arm field wiring retention Interface Wiring Pre-wired 1492 conversion cables Hardware Specifications Parameter Specification Model 1492-CM1771-LD006 Brand Allen-Bradley Origin United States Product Type Swing-Arm Conversion Module Series 1492 I/O Wiring Conversion System Compatible Legacy Modules 1771-IFE Compatible ControlLogix Modules 1756-IF8 Conversion Type Swing-arm conversion Installation Conversion mounting assembly Wiring Method Pre-wired 1492 cables to 1756 RTBs Operating Temp 0 deg C to +60 deg C Storage Temp -40 deg C to +85 deg C Relative Humidity 5% to 95% non-condensing Pollution Degree 2 Certifications CE, UL, C-UL-US, FM Weight 0.4 lbs Power Consumption Passive conversion module; no internal power consumption Lifecycle Status Active EtherNet/IP Signal Transition and Firmware Compatibility The 1492-CM1771-LD006 is intended for staged migration from PLC-5 analog input infrastructures to ControlLogix analog acquisition platforms without removal of existing field terminations. The conversion assembly maintains channel continuity between the original swing-arm interface and the target 1756 analog module architecture. During migration activity, analog signal integrity depends on conductor shielding continuity, RTB seating pressure, and consistent terminal mapping between the 1771 and 1756 addressing structures. The module functions as a passive transition interface and does not perform analog scaling, loop isolation, or signal conditioning. Firmware handling and analog filtering behavior remain dependent on the installed 1756-IF8 module configuration. Frequently Asked Questions Q: Does the 1492-CM1771-LD006 modify analog signal scaling between PLC platforms? A: No. The module performs physical signal routing only. Analog scaling, filtering, and engineering unit conversion are executed by the connected 1756-IF8 module and associated controller configuration. Q: Can shielded analog input pairs remain connected during migration? A: Existing shield terminations may remain in place if conductor integrity and grounding practices comply with the installation requirements of the target ControlLogix system. Q: Is hot insertion supported for the conversion assembly? A: Power isolation is recommended before installing or removing swing-arm conversion hardware to prevent unintended analog input fluctuations or connector damage during insertion.