Allen-Bradley 1771-OWN User manual

Installation Instructions

Publication

17715.37 - October 1995

Selectable

Contact Output Module

Cat. No. 1771OWN

This document provides information on:

•important pre-installation considerations

•power supply requirements

•initial handling procedures

•installing the module

•using the indicators on the module for troubleshooting

•module specifications

This module must be used in a 1771-A1B through -A4B or later I/O

chassis.This module does not contain surge limiting circuitry. Use

this module for switching resistive loads only. It is not

recommended for inductive or capacitive loads.

The outputs are arranged in 4 groups of 8, each group with its own

common. The module can simultaneously switch all 32 outputs to

separate loads, with a maximum of 12A per module. Each output

can conduct a maximum load of 1.0A continuously at 30W

maximum. Ac loads switched by the modules should have a power

factor (PF) of 1.0.

Maximum interconnect cable length for this module is 1000 ft.

(304.8 meters).

European Union Directive Compliance

If this product is installed within the European Union or EEA

regions and has the CE mark, the following regulations apply.

EMC Directive

This apparatus is tested to meet Council Directive 89/336/EEC

Electromagnetic Compatibility (EMC) using a technical construction

file and the following standards, in whole or in part:

•EN 50081-2 EMC – Generic Emission Standard, Part 2 –

Industrial Environment

•EN 50082-2 EMC – Generic Immunity Standard, Part 2 –

Industrial Environment

The product described in this manual is intended for use in an

industrial environment.

To The Installer

Preinstallation

Considerations

Allen-Bradley Spares

Selectable Contact Output Module Cat. No. 1771-OWN

Publication

17715.37 - October 1995

Low Voltage Directive

This apparatus is also designed to meet Council Directive 73/23/EEC

Low Voltage, by applying the safety requirements of EN 61131–2

Programmable Controllers, Part 2 – Equipment Requirements and

Tests.

For specific information that the above norm requires, see the

appropriate sections in this manual, as well as the following

Allen-Bradley publications:

•Industrial Automation Wiring and Grounding Guidelines,

publication 1770-4.1

•Guidelines for Handling Lithium Batteries, publication AG-5.4

•Automation Systems Catalog, publication B111

The controller or I/O chassis power supply, connected through the

backplane of the I/O chassis, powers the logic circuitry of the contact

output modules. This supply also provides the necessary power to

energize the coils of the module relays. The maximum current drawn

from this supply when all coils are energized is 2.5A. Nominal

backplane current is 1.8A.

When handling the module, observe the following warning:

!ATTENTION: Remove power from the 1771 I/O

chassis backplane and field wiring arm before

removing or installing an I/O module.

•Failure to remove power from the backplane or wir-

ing arm could cause module damage, degradation of

performance, or injury.

•Failure to remove power from the backplane could

cause injury or equipment damage due to possible

unexpected operation.

The contact output module contains components which can be

damaged by electrostatic discharge. The module is shipped in an

electrostatic shielded bag for protection. Follow the handling

procedures outlined below to guard against damage to your module.

•Touch a grounded object to discharge yourself before handling

the module.

•Do not touch the backplane connector or connector pins.

•If you configure or replace internal components, do not touch

other circuit components inside the module. If available, use a

static-safe work station.

•When not in use, keep the module in its static-free shield bag.

Power Supply

Requirements

Initial Handling Procedure

Selectable Contact Output Module Cat. No. 1771-OWN

Publication

17715.37 - October 1995

In this section we tell you how to key your I/O chassis, set the relay

output jumpers, install your module and make your wiring

connections.

Keying the I/O Chassis

Use the plastic keying bands, shipped with each I/O chassis, to key

your I/O slots to accept only this type of module. Place the keying

bands on the chassis backplane between:

•6 and 8

•16 and 18

Slots on the rear edge of the circuit board are matched to these slots

to allow insertion of this type of module. You can key any connector

in an I/O chassis to receive this module except for the leftmost

connector reserved for adapter or processor modules.

Setting the Relay Output Jumpers

When the output image table bit at the address corresponding to any

output is energized (set to 1), the corresponding relay contact is

closed or opened, respective to the jumper setting.

All outputs are individually selectable for either normally-open or

normally-closed operation. They are pre-set for normally-open

operation at the factory. To reset any jumper, proceed as follows:

1. Remove the 4 screws from the side cover and separate the circuit

board from the 2 covers.

2. Move the jumper to the desired position. Jumpers are identified

by jumper number and use (N.O. or N.C.). Refer to Table 1.A for

jumper and terminal identifications.

3. Reinstall the circuit board in the module and replace the cover.

N.O.N.C.

L-02

L-00

L-04

L-06

N.O.N.C.

Normally Open

Normally Closed

Printed Circuit Board

N.O.N.C.

RY10

RY9

RY2RY1

10538I

Installing Your Module

Allen-Bradley Spares

Selectable Contact Output Module Cat. No. 1771-OWN

Publication

17715.37 - October 1995

Table 1.A Jumper

Identification for Individual Outputs

Terminal

Number Function Jumper

Number

Terminal

Number Function Jumper

Number

1Common 0 21 Common 2

2Output 00 L00 22 Output 00 H00

3 Output 01 L01 23 Output 01 H01

4 Output 02 L02 24 Output 02 H02

5 Output 03 L03 25 Output 03 H03

6 Output 04 L04 26 Output 04 H04

7 Output 05 L05 27 Output 05 H05

8 Output 06 L06 28 Output 06 H06

9 Output 07 L07 29 Output 07 H07

10 Not used 30 Not used

11 Common 1 31 Common 3

12 Output 10 L10 32 Output 10 H10

13 Output 11 L11 33 Output 11 H11

14 Output 12 L12 34 Output 12 H12

15 Output 13 L13 35 Output 13 H13

16 Output 14 L14 36 Output 14 H14

17 Output 15 L15 37 Output 15 H15

18 Output 16 L16 38 Output 16 H16

19 Output 17 L17 39 Output 17 H17

20 Not used 40 Not used

Inserting the Module Into the Chassis

1. Turn off power to the I/O chassis.

2. Position the module so that the circuit board on the rear of the

module lines up with the top and bottom card guides in the

chassis.

3. Slide the module into the chassis.

4. Press firmly to seat the module in the chassis backplane

connector.

5. Swing the module locking latch down into place over the front

edge of the module.

Selectable Contact Output Module Cat. No. 1771-OWN

Publication

17715.37 - October 1995

Connecting Wiring to the Module

You make connections to the module through the field wiring arm

cat. no. 1771-WN. The arm pivots on the I/O chassis to connect with

terminals on the front of the module and acts as a terminal strip. The

wiring arm allows the module to be removed from the chassis

without disconnecting wiring.

1. Make certain all power is removed from the module before

making wiring connections.

2. Swing the wiring arm up into position on the front of the module.

The locking tab on the module will secure it into place.

3. Make your connections to the field wiring arm as shown in the

connection diagram. (Use the label on the front of the wiring arm

to identify your wiring.)

!ATTENTION: The field wiring arm terminal

identification number is not the same as the number of

the bit which controls that output.

Connection Diagram for the 1771-OWN Module

Output 0

Output 2

Output 4

Output 6

Not used

Output 10

Output 12

Output 14

Output 16

Not used

Output 0

Output 2

Output 4

Output 6

Not used

Output 10

Output 12

Output 14

Output 16

Not used

Common 0

Output 1

Output 3

Output 5

Output 7

Common 1

Output 11

Output 13

Output 15

Output 17

Common 2

Output 1

Output 3

Output 5

Output 7

Common 3

Output 11

Output 13

Output 15

Output 17

Note: Contacts shown in N.O.

configuration for simplicity.

(Actual wiring runs in this direction.)

Note: Terminals on the left are

even numbered, and terminals

on the right are odd numbered.

10539I

Allen-Bradley Spares

Selectable Contact Output Module Cat. No. 1771-OWN

Publication

17715.37 - October 1995

!ATTENTION: Do not attempt to increase load

current or wattage capability beyond the rating by

connecting two or more outputs in parallel. The

slightest variation in output relay switching time may

cause one set of contacts to switch the total load

current.

You can use the 1771-OWN output module to drive an input of a

120V ac input module (1771-IA, -IA2, -IAD) to indicate status of

turning on a motor starter as shown below, for example, but you

must connect a 15K, 2W resistor between the output and L2

(common). Inputs configured with the output module are not isolated

from each other.

Driving an Input Module with a 1771-OWN Output Module

120V AC Input Module

(Cat. No. 1771IAD)

Selectable Contact Output Module

(Cat. No. 1771OWN)

ac High

ac Low

Input 00

Input 01

Input 02

Input 03

Input 04

Input 05

Input 06

Input 07

Input 10

Input 11

Input 12

Input 13

Input 14

Input 15

Input 16

Input 17

Output 0

Output 2

Output 4

Output 6

Not used

Output 10

Output 12

Output 14

Output 16

Not used

Output 0

Output 2

Output 4

Output 6

Not used

Output 10

Output 12

Output 14

Output 16

Not used

Common 0

Output 1

Output 3

Output 5

Output 7

Common 1

Output 11

Output 13

Output 15

Output 17

Common 2

Output 1

Output 3

Output 5

Output 7

Common 3

Output 11

Output 13

Output 15

Output 17

10540I

15K ohm, 2W

resistor

Selectable Contact Output Module Cat. No. 1771-OWN

Publication

17715.37 - October 1995

The module has 32 status indicators on the module front plate. These

represent the control status of the output relays. Each indicator is lit

when its corresponding relay is energized.

Status Indicators (red)

10541I

Interpreting the Status

Indicators

Allen-Bradley Spares

Specifications

Selectable Contact Output Module Cat. No. 1771-OWN

Publication

17715.37 - October 1995

Outputs per module 32 (4 groups of 8)

Module Location 1771A1B thru A4B or later, 1771AM, AM1 I/O Chassis

Voltage Rating 24  138V ac rms; 24  125V dc

Current Rating1Max. per channel

Max. per module

Max. per group

1A continuous (derate linearly 0.033A/oC above 45oC)

12A (derate linearly 0.4A/oC above 45oC)

4A (derate linearly 0.133A/oC above 45oC)

Surge Current 1A (max) per output (at rated power)2

Power Rating dc: 30W per output (resistive) maximum

ac: 30W per output (resistive) maximum

Minimum Contact Load 10mA

Operate/Release Time 5ms (+1ms) typical

Bounce Time 1ms (max)

Switching Frequency 10Hz (max)

Power Dissipation All relays off: 15mW; All relays on: 12.5W (max.)

Thermal Dissipation All relays off: 0.05 BTU/hr; All relays on: 42.75 BTU/hr (max.)

Backplane Current 2.5A maximum; 1.8A nominal

Isolation Voltage Isolation meets or exceeds UL Standard 508, and CSA Standard

C22.2 No. 142.

Interconnect Cable Length 1000 ft. (304.8 meters)

Conductors Wire Size

Category

14 gauge (2mm2) stranded (max)

3/64 inch (1.2mm) insulation (max)

Environmental Conditions

Operational Temperature

Storage Temperature

Relative Humidity

0 to 60oC (32 to 140oF)

40 to 85oC (40 to 185oF)

5 to 95% (without condensation)

Keying Between 6 and 8 and Between 16 and 18

Field Wiring Arm 1771WN

Wiring Arm Screw Torque 79 inchpounds

Agency Certification

(when product or packaging is marked) •CSA certified

•CSA Class I, Division 2, Groups A, B, C, D certified

•UL listed

•CE marked for all applicable directives

Spikes, peaks and surges must be within the power rating. Resistive loads only

. ac and dc power = 30W max.

Surge limiting circuitry is not provided in the module. For reliable operation, the user must ensure that surges do not exceed either the voltage or

current rating of the module.

3You

use this conductor category information for planning conductor routing as described in the systemlevel installation manual.

AllenBradley, a Rockwell Automation Business, has been helping its customers improve

productivity and quality for more than 90 years. We design, manufacture and support a broad

range of automation products worldwide. They include logic processors, power and motion

control devices, operator interfaces, sensors and a variety of software. Rockwell is one of the

world's leading technology companies.

Worldwide representation.

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aiwan

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urkey

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enezuela

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AllenBradley Headquarters, 1201 South Second Street, Milwaukee, WI 53204 USA, Tel: (1) 414 3822000 Fax: (1) 414 3824444

Publication

17715.37 - October 1995

PN955123-94

1995 AllenBradley Company

, Inc. Printed in USA

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