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Rockwell Automation 1492-CM1771-LD0012 Field Wire Conversion Module User Manual

Rockwell Automation Equipment

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Digital I/O Conversion Module
(Cat 1492-CM1771-LD012)

I. Description

This Digital I/O Conversion system provides for the conversion of (1) 1771, 8 point I/O module to (1) 1756, 8 point I/O module
OR (2) 1771, 8 point I/O modules to (1) 1756, 16 point I/O module and consists of the following:

(1) 1771 Module (8pt) to (1) 1756 Module (8pt)
(1) Conversion Modules: 1492-CM1771-LD012
(1) Cable: 1492-CONCAB005Y (Table 2)
(1) Conversion Mounting Assembly: 1492-MUA… (Table 1)

(2) 1771 Module (8pt) to (1) 1756 Module (16pt)
(2) Conversion Modules: 1492-CM1771-LD012
(1) Cable: 1492-C005C005X_ (Table 2)
(1) Conversion Mounting Assembly: 1492-MUA… (Table 1)

This conversion is accomplished without the removal of any field wires from the existing 1771 Swing Arms. The existing 1771
Swing Arms fit directly onto the edge connectors of the 1492 Conversion Modules. On one end of the 1492 Cables are (1)
or (2) connectors for the Conversion Modules. On the other end is the Removable Terminal Block (RTB) for the 1756 I/O
module, as shown in the photo below. The I/O signals are routed through the 1492 Conversion Module and the 1492 Cable
to the appropriate terminals on the 1756 I/O module per the Wiring Diagrams in Section IV. As standard, the 1492 Cables
are 0.5M long, but we also offer a 1.0M cable length. Refer to the footnotes in Table 2, Section III for further details.

De-energize and lockout any and all power to all I/O field devices connected to the A-B 1771 I/O chassis,
and the power to the 1771 I/O chassis itself. Ensure all power is de-energized and locked out to any
device in the control cabinet where the conversion is to be performed. Ensure work is performed by
qualified personnel.

WARNING

Conversion Compatibility and
Product I.D. Label

37-Pin Connector for cable 1492-CONCAB005Y

PN-114284
DIR 10000060095 (Version 01)
Publication 1492-IN042B-EN-E

Printed in U.S.A.

1492-CM1771-LD012 Conversion Module

Conversion
Compatibility and
Product I.D. Label

25-Pin Connector
for cable
1492-C005005X_