Allen-Bradley 1492-CM1771-LD007 Bedienungsanleitung

Field Wire Conversion for two A-B 1771-IA, -IA2 to one 1756-IA16

(Cat 1492-CM1771-LD007)

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Number and in the Search box type in the catalog number of the conversion system component.

I. Module Description

NOTICE: To maximize all 16 input points of the 1756-IA16 the 1492-CXE pre-wired cable used with the

1492-CM1771-LD007 conversion module was designed/manufactured with mating connectors for two 1771-IA, -IA2

(two 1492-CM1771-LD007 conversion modules). The 1492-CXE cable provides the TWO conversion modules

into ONE 1756-IA16 function. The two cables from the conversion modules to the 1756 input modules can each be

of a different length. Refer to footnote 2 and 3 below for available lengths.

The 1492-CM1771-LD007 conversion module provides field wire signal conversion from the A-B 1771-IA -IA2, 87

to 138Vac or 97 to 138Vdc, 8 point input module to the 1756-IA16, 74 to 132Vac, 16 point input module.

The conversion module provides the mating connector to the 1771-IA, -IA2 module swing-arm/terminal block with

the attached field wires. It routes those signals via its 25-pin connector and a 1492-CXE pre-wired cable to

compatible terminals on the 1756-IA16. (refer to the Wiring Diagram on page 2 for details).

II. Module Installation

The 1492-CM1771-LD007 conversion module must be installed in a 1492 conversion base-plate and cover-plate

assembly. The installation of the module into the assembly is explained in the Installation Manual that ships with the

conversion assembly. For a list of compatible assemblies refer to Appendix A.

III. Conversion Module Compatibility Matrix



This is cable length in meters. Available lengths are limited to 005 (0.5m) and 010 (1.0m).



This is cable length in meters. Available lengths are limited to 005 (0.5m) and 010 (1.0m).

Conversion Module Compatible 1771

Input Module

Compatible 1756

Input Module

Required 1492 Cable

Two

1492-CM1771-LD007

Two

1771-IA, -IA2

One

1756-IA16

One

1492-C



1492-CM1771-LD007 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



Refer to conversion module Specifications Section: Maximum Operating Voltage

PN-40380

DIR 10000045376 (Version 00)

Printed in U.S.A.

(2)

IV. Conversion Module Wiring Diagram

The following diagram shows the connections from the existing 1771-IA, -IA2 swing-arm, through the conversion module,

1492 cables and to the 1756-IA16 input module. The diagram can be used as an aid in possible system troubleshooting.

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.

WARNING

Conversion Module Installation and Application Considerations



This Bul. 1492 cable consists of 2 seperate cables (cable“A”and cable “B”) wired to one 1756-IA16 RTB.Each cable can be either

0.5M or 1.0M (005=0.5M, 010=1.0M). Ensure that cable A and cable B are connected to the correct module in the conversion.



The input delay times for the 1771-IA, -IA2 module versus the 1756-IA16 module are as follows:

1771-IA, -IA2 1756-IA16

a) Off-to-On-Delay 24ms (+/- 10ms) 10ms max (plus selectable filter)

b) On-to-Off-Delay 24ms (+/- 10ms) 8ms max (plus selectable filter)

The 1771-IA, -IA2 module is rated 87V to 138V AC and 97V to 138V DC.The 1756-IA16 module is rated 79V to 132V AC only.

Refer to your 1771-IA, -IA2 and 1756-IA16 Installation Manual wiring schematics and diagrams for more details.

[Reference Doc: 41170-952 (Version 00)]

PN-40380

DIR 10000045376 (Version 00)

1756-IA16

10 L2-0

IN-0

IN-1

IN-2

IN-3

IN-4

IN-5

IN-6

IN-7

IN-8

IN-9

IN-10

IN-11

IN-12

IN-13

IN-14

IN-15

1492-CXE

CABLE “A”

CABLE “B”

Black

White

Red

Green

Orange

Blue

White/Black

Red/Black

Green/Black

Orange/Black

L2-1

9L2-0

19 L2-1

11B

1492-CM1771-LD007

Input 4

Input 6

Input 5

Input 7

Input 0

Input 2

Input 1

Input 3

Not used

Conversion: 1771-IA or 1771-IA2 to 1756-IA16 with 1492-CM1771-LD007

1771-WA Swing Arm

Black

White

Red

Green

Orange

Blue

White/Black

Red/Black

Green/Black

Orange/Black

11B

Input 4

Input 6

Input 5

Input 7

Input 0

Input 2

Input 1

Input 3

Not used

1771-WA Swing Arm

(3)

V. 1492-CM1771-LD007 Conversion Module Specifications

(Operating specifications are when installed in the Conversion System base / cover-plate assembly)

Specification

Dimensions

Approximate Shipping Weight

317.5 g (0.70 lbs) ( includes carton)

Storage Temperature -40 to +85°C (-40 to +185°F)

Operating Temperature

0 to 60°C (32 to 140°F)

Operating Humidity

5 to 95% at 60°C (non-condensing)

Shock

Non

operating

Operating

50g

30g

Operating Vibration

2g at 10 to 500Hz (Agrees with 1756 I/O module specifications)

Maximum Operating Voltage

132 Vac at 47 to 63Hz

Max. Module Operating Current

Per Point:

Per Module:

2 Amps

Agency Certifications

UL Classified: Under UL File Number E113724

CSA

CE: compliant for all applicable directives

Pollution Degree

Environmental Rating

IP20

Refer to the Wiring Diagram(s) for

current limits for a specific configuration.

NOTICE

Value

11.81 in. (height) x 4.38 in. (depth) x 1.5 in. (width)

300 mm. (height) x 111.25 mm (depth) x 38.1 mm (width)

PN-40380

DIR 10000045376 (Version 00)

VI. Appendix A - 1771 chassis to 1756 Chassis Conversion System Selection Process

1) Determine the number of 1771 I/O modules used in the 1771 I/O Chassis to be converted to 1756. NOTE: In some

cases two 1756 modules may be required for one 1771 module. Select the applicable 1492 conversion modules from the

Digital and Analog Conversion Selection Table Matrix.

2) Review the Max Slots for I/O and Chassis Width data from the below table, and select a 1756 I/O Chassis which meets

your conversion needs from Step 1. Ensure the information from the I/O Conversion module tables are reviewed first.

3) Once the 1756 Chassis is selected, select the Conversion Assembly. The Conversion Assembly has the same dimen-

sional foot-print as the 1771 chassis and can use the same mounting hardware. The assembly consists of a base-plate

to hold the conversion modules and a cover-plate to protect the modules and to mount the selected 1756 chassis. The

combined depth of the conversion assembly with the 1756 chassis mounted is 10.25 inches (Controller w/key) to

10.0 inches (Controller w/o Key).

Foot Notes:

1771-A3B is not listed as it is used for 19 inch wide instrumentation panels

Two 1771 width dimensions are provided as some PLC-5 processors have integrated power supplies. Dimension w/PS

includes -P1, -P2, etc. Notice that the width dimension of some 1756 chassis exceed the width of the 1771 chassis with

or without the power supply. Cover-plate chassis mounting design allows the excess 1756 chassis width to be evenly

distributed to both sides, or excess to right or left. Carefully consider this in the conversion

1756-A4 may work in a 1771-A1B application if 4 or less I/O slots were used. Conversion cover-plate is capable to

mount -A4 or -A7

1756-A7 may work in a 1771-A2B application if 6 or less I/O slots were used. Conversion cover-plate is capable to

mount -A7 or -A10

1756-A10 may work in a 1771-A3B1 application if 10 or less I/O slots were used. Conversion cover-plate is capable to

mount -A10 or -A13

1756-A13 may work in a 1771-A4B application if 13 or less I/O slots were used. Conversion cover-plate is capable to

mount -A13 or -A17

Max Slots for I/O

-A1B w/o

-A1B

w/PS

3 6 8 8 69 12

-A13

(5)

-A3B1-A10-A7

(4)

-A2B

w/PS

-A2B w/o

-A7-A4

(3)

-A17

(6)

-A4B

Chassis Width

(2)

Conversion Assembly

Chassis Parameter(1)

1756 Equivalent

Chassis

1756 Equivalent

Chassis

24.01 29.0623.1519.0119.029.01 12.61 10.35 14.49 14.4914.01 17.61

1771 Chassis 1771 Chassis

1771 Chassis

1492-MUA1B-A4-A7 1492-MUA2B-A7-A10 1492-MUA3-A10-A13 1492-MUA4-A13-A17

1771 Chassis 1756 Equivalent

Chassis

1756 Equivalent

Chassis

PN-40380

DIR 10000045376 (Version 00)

Printed in U.S.A.

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