Allen-Bradley 1492 Digital I/O Conversion Module Installation Instructions

Allen-Bradley 1492 Digital I/O Conversion Module allows you to convert older 1771 I/O modules to the newer, more compatible 1756 platform. This conversion is accomplished without requiring the removal of any existing field wiring from the 1771 system. The module is designed to be installed in a 1492 Conversion Mounting Assembly. This conversion system includes the Conversion Module (1492-CM1771-LD001), a cable (1492-CONCAB005X) and a Mounting Assembly (1492-MUA...). The 1492 Conversion Mounting Assembly is dimensionally similar to the 1771 Chassis and can be mounted using the same hardware.

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Allen-Bradley 1492 Digital I/O Conversion Module Installation Instructions | Manualzz

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Key features

  • Converts 1771 I/O to 1756
  • No field wire removal
  • Easy mounting
  • Compatible with various modules
  • Multiple cable lengths

Frequently asked questions

The 1492-CM1771-LD001 conversion module is compatible with various Bulletin 1771 digital I/O modules, including 1771-IAD, 1771-IBD, 1771-ICD, 1771-IND, and 1771-IND1. You can find a complete list of compatible modules in Table 2 of the viewed document.

The standard cable length is 0.5M (1492-CONCAB005X). You can also choose a 1.0M cable (1492-CONCAB010X). Refer to the footnotes in Table 2 of the viewed document for more details.

The maximum number of Conversion Modules you can install in a 1492 Conversion Mounting Assembly depends on the specific Assembly model. The table in Section II of the viewed document shows the maximum number of Conversion Module slots for each model.
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