Manual

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Analog I/O Conversion Module

(Cat 1492-CM1771-LA001)

I. Description

This Analog I/O Conversion Module provides for the conversion of (1) 1771, 16 Channel I/O module to be

converted to (1) 1756, 16 Channel I/O module and consists of the following:

(1) 1771 Module (16ch) to (1) 1756 Module (16ch)

(2) Conversion Module: 1492-CM1771-LA001

(1) Cable: 1492-CONACAB005A or 1492-CONACAB005B (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 Arm. The

existing 1771 Swing Arm fits directly onto the edge connector of the 1492 Conversion Module. On one end of the

1492 Cable is (1) connector for the Conversion Module. 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 V. As standard, both portions of the 1492 Cables are 0.5M long, but we also offer a 1.0M cable length.

Refer to the footnotes in Table 2 for further details.

Conversion Compatibility

and Product I.D. Label

25-Pin Connector for cable

1492-CONACAB005

A OR -CONACAB005B

1492-CM1771-LA001 Conversion Module

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

PN-114287

DIR 10000060098 (Version 01)

Publication 1492-IN045B-EN-E

Printed in U.S.A.

Summary of content (8 pages)

PAGE 1
Analog I/O Conversion Module (Cat 1492-CM1771-LA001) I.
PAGE 2
II. Installation The 1492 Conversion Modules must be installed in a 1492 Conversion Mounting Assembly (see Table 1 below). A complete System Installation Manual ships with the 1492 Conversion Mounting Assembly. 1) Determine the quantity of each type of 1771 I/O modules used in the 1771 I/O Chassis to be converted. 2) Select the applicable 1492 Conversion Modules from Table 2, Section III. 3) Review the Max Slots for I/O and Chassis Width data from the Table 1 below.
PAGE 3
III.
PAGE 4
Conversion: 1771-IFE to 1756-IF16 (Single-ended Current) V. Wiring Diagrams There are several key application considerations and system specifications (bottom of drawing) when using these components (conversion module, cable and input module). Read and understand these considerations before installation.
PAGE 5
Conversion: 1771-IFE to 1756-IF16 (Single-ended Voltage) V. Wiring Diagrams (Cont’d) There are several key application considerations and system specifications (bottom of drawing) when using these components (conversion module, cable and input module). Read and understand these considerations before installation.
PAGE 6
Conversion: 1771-IFF to 1756-IF16 (Single-ended Current) V. Wiring Diagrams WARNING There are several key application considerations and system specifications (bottom of drawing) when using these components (conversion module, cable and input module). Read and understand these considerations before installation.
PAGE 7
V. Wiring Diagrams (Cont’d) WARNING Conversion: 1771-IFF to 1756-IF16 (Single-ended Voltage) There are several key application considerations and system specifications (bottom of drawing) when using these components (conversion module, cable and input module). Read and understand these considerations before installation.
PAGE 8
PN-114287 DIR 10000060098 (Version 01) Publication 1492-IN045B-EN-E Printed in U.S.A.