Rockwell Automation Allen-Bradley 1769-OA16 Manuel utilisateur

Publication 1769-IN061A-EN-P - December 2001

Installation Instructions

Compact™ 16-Point 100 to 240V ac Solid State

Output Module

(Catalog Number 1769-OA16)

Inside

Module Description ................................................................................. 2

Module Installation.................................................................................. 3

System Assembly..................................................................................... 4

Mounting Expansion I/O .......................................................................... 5

Replacing a Single Module within a System .......................................... 7

Field Wiring Connections......................................................................... 8

I/O Memory Mapping ............................................................................ 11

1769-OA16 Configuration File ............................................................... 12

Spare/Replacement Module Parts ........................................................ 13

Specifications ........................................................................................ 14

Hazardous Location Considerations ...................................................... 17

Environnements dangereux ................................................................... 17

For More Information............................................................................. 18

2Compact™ 16-Point 100 to 240V ac Solid State Output Module

Publication 1769-IN061A-EN-P - December 2001

Module Description

The 1769-OA16 is a 16-point 100 to 240V ac output module. The module has two

isolated groups with 8 points per group, thereby allowing you to mix 120 and

240V ac sources.

Item Description

1bus lever

(with locking function)

2a upper panel mounting tab

2b lower panel mounting tab

3I/O diagnostic LEDs (Logic Side)

4module door with terminal

identification label

5a movable bus connector

with female pins

5b stationary bus connector

with male pins

6nameplate label

7a upper

tongue-and-groove slots

7b lower

tongue-and-groove slots

8a upper DIN rail latch

8b lower DIN rail latch

9write-on label (user ID tag)

10 removable terminal block (RTB)

with finger-safe cover

10a RTB upper retaining screw

10b RTB lower retaining screw

10a

10b 4

7b 8b 7b

1769-OA16

DANGER

Do Not Remove RTB Under Power

Unless Area is Non-Hazardous

Ensure Adjacent

Bus Lever is Unlatched/Latched

Before/After Removing/Inserting Module

Out 0

Out 2

Out 4

Out 6

Out 1

Out 3

Out 5

Out 7

Out 9

Out 11

Out 13

Out 15

VAC2

VAC1

Out 8

Out 10

Out 12

Out 14

Compact™ 16-Point 100 to 240V ac Solid State Output Module 3

Publication 1769-IN061A-EN-P - December 2001

Module Installation

Compact I/O is suitable for use in an industrial environment when installed in

accordance with these instructions. Specifically, this equipment is intended for use

in clean, dry environments (Pollution degree 2(1)) and to circuits not exceeding

Over Voltage Category II(2) (IEC 60664-1).(3)

Prevent Electrostatic Discharge

Remove Power

(1) Pollution Degree 2 is an environment where, normally, only non-conductive pollution occurs except that occasionally a

temporary conductivity caused by condensation shall be expected.

(2) Over Voltage Category II is the load level section of the electrical distribution system. At this level transient voltages are

controlled and do not exceed the impulse voltage capability of the product’s insulation.

(3) Pollution Degree 2 and Over Voltage Category II are International Electrotechnical Commission (IEC) designations.

ATTENTION

Electrostatic discharge can damage integrated circuits or

semiconductors if you touch bus connector pins. Follow these

guidelines when you handle the module:

•Touch a grounded object to discharge static potential.

•Wear an approved wrist-strap grounding device.

•Do not touch the bus connector or connector pins.

•Do not touch circuit components inside the module.

•If available, use a static-safe work station.

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

ATTENTION

Remove power before removing or inserting this module. When

you remove or insert a module with power applied, an

electrical arc may occur. An electrical arc can cause personal

injury or property damage by:

•sending an erroneous signal to your system’s field devices,

causing unintended machine motion

•causing an explosion in a hazardous environment

Electrical arcing causes excessive wear to contacts on both the

module and its mating connector. Worn contacts may create

electrical resistance.

4Compact™ 16-Point 100 to 240V ac Solid State Output Module

Publication 1769-IN061A-EN-P - December 2001

System Assembly

The module can be attached to the controller or an adjacent I/O module before or

after mounting. For mounting instructions, see "Panel Mounting" on page 5, or "DIN

Rail Mounting" on page 7. To work with a system that is already mounted, see

"Replacing a Single Module within a System" on page 7.

The following procedure shows you how to assemble the Compact I/O system.

1. Disconnect power.

2. Check that the bus lever of the module to be installed is in the unlocked

(fully right) position.

3. Use the upper and lower tongue-and-groove slots (1) to secure the modules

together (or to a controller).

4. Move the module back along the tongue-and-groove slots until the bus

connectors (2) line up with each other.

5. Push the bus lever back slightly to clear the positioning tab (3). Use your

fingers or a small screw driver.

6. To allow communication between the controller and module, move the bus

lever fully to the left (4) until it clicks. Ensure it is locked firmly in place.

ATTENTION

When attaching I/O modules, it is very important that the

bus connectors are securely locked together to ensure

proper electrical connection.

Compact™ 16-Point 100 to 240V ac Solid State Output Module 5

Publication 1769-IN061A-EN-P - December 2001

7. Attach an end cap terminator (5) to the last module in the system by using

the tongue-and-groove slots as before.

8. Lock the end cap bus terminator (6).

Mounting Expansion I/O

Minimum Spacing

Maintain spacing from

enclosure walls,

wireways, adjacent

equipment, etc. Allow

50 mm (2 in.) of space on

all sides for adequate

ventilation, as shown:

Panel Mounting

Mount the module to a panel using two screws per module. Use M4 or #8 panhead

screws. Mounting screws are required on every module.

IMPORTANT A 1769-ECR or 1769-ECL right or left end cap must be used to

terminate the end of the serial communication bus.

ATTENTION

During panel or DIN rail mounting of all devices, be sure that

all debris (metal chips, wire strands, etc.) is kept from falling

into the module. Debris that falls into the module could cause

damage on power up.

Top

Bottom

Side Side

Compact I/O

End Cap

Host Controller

6Compact™ 16-Point 100 to 240V ac Solid State Output Module

Publication 1769-IN061A-EN-P - December 2001

Panel Mounting Using the Dimensional Template

Locate holes every 17.5 mm (0.689 in.) to allow for a mix of single-wide

(e.g. 1769-IQ16) and one-and-a-half-wide modules (e.g. 1769-OA16).

Panel Mounting Procedure Using Modules as a Template

The following procedure allows you to use the assembled modules as a template

for drilling holes in the panel. If you have sophisticated panel mounting equipment,

you can use the dimensional template provided on page 6. Due to module

mounting hole tolerance, it is important to follow these procedures:

1. On a clean work surface, assemble no more than three modules.

2. Using the assembled modules as a template, carefully mark the center of all

module-mounting holes on the panel.

3. Return the assembled modules to the clean work surface, including any

previously mounted modules.

4. Drill and tap the mounting holes for the recommended M4 or #8 screw.

5. Place the modules back on the panel, and check for proper hole alignment.

6. Attach the modules to the panel using the mounting screws.

7. Repeat steps 1 to 6 for any remaining modules.

TIP If mounting more modules, mount only the last one of

this group and put the others aside. This reduces

remounting time during drilling and tapping of the next

group.

Host Controller

Spacing for single-wide modules 35 mm (1.378 in.)

Refer to host controller documentation for this dimension.

Note: Overall hole spacing

tolerance: ±0.4 mm (0.016 in.).

Spacing for one-and-a half-wide modules 52.5 mm (2.067 in.)

Compact™ 16-Point 100 to 240V ac Solid State Output Module 7

Publication 1769-IN061A-EN-P - December 2001

DIN Rail Mounting

The module can be mounted using the following DIN rails: 35 x 7.5 mm

(EN 50 022 - 35 x 7.5) or 35 x 15 mm (EN 50 022 - 35 x 15).

Before mounting the module on a DIN rail, close the DIN rail latches. Press the DIN

rail mounting area of the module against the DIN rail. The latches will momentarily

open and lock into place.

Replacing a Single Module within a System

The module can be replaced while the system is mounted to a panel (or DIN rail).

1. Remove power. See attention note on page 3.

2. On the module to be removed, remove the upper and lower mounting

screws from the module (or open the DIN latches using a flat-blade or

phillips style screw driver).

3. Move the bus lever to the right to disconnect (unlock) the bus.

4. On the right-side adjacent module, move its bus lever to the right (unlock)

to disconnect it from the module to be removed.

5. Gently slide the disconnected module forward. If you feel excessive

resistance, check that the module has been disconnected from the bus, and

that both mounting screws have been removed (or DIN latches opened).

6. Before installing the replacement module, be sure that the bus lever on the

module to be installed, and on the right-side adjacent module are in the

unlocked (fully right) position.

7. Slide the replacement module into the open slot.

8. Connect the modules together by locking (fully left) the bus levers on the

replacement module and the right-side adjacent module.

9. Replace the mounting screws (or snap the module onto the DIN rail).

TIP It may be necessary to rock the module slightly from

front to back to remove it, or, in a panel-mounted

system, to loosen the screws of adjacent modules.

8Compact™ 16-Point 100 to 240V ac Solid State Output Module

Publication 1769-IN061A-EN-P - December 2001

Field Wiring Connections

Grounding the Module

This product is intended to be mounted to a well-grounded mounting surface such

as a metal panel. Additional grounding connections from the module’s mounting

tabs or DIN rail (if used), are not required unless the mounting surface cannot be

grounded. Refer to Industrial Automation Wiring and Grounding Guidelines,

Allen-Bradley publication 1770-4.1, for additional information.

Output Wiring

Basic wiring(1) of output devices to the 1769-OA16 is shown below.

ATTENTION

Be careful when stripping wires. Wire fragments that fall into a

module could cause damage at power up. Once wiring is

complete, ensure the module is free of all metal fragments.

(1) Surge Suppression - Connecting surge suppressors across your external load will extend the life of the triac outputs. For

additional details, refer to

Industrial Automation Wiring and Grounding Guidelines

, Allen-Bradley publication 1770-4.1.

100 to 240V ac

OUT10

OUT 8

VAC 2

OUT6

OUT4

OUT11

OUT 9

OUT 7

OUT 5

OUT 3

CRCRCR

100 to 240V ac

VAC 1

OUT 1

OUT 0

OUT 2

CR CRCRCR

CRCRCR

OUT 12

OUT 14

OUT 13

OUT 15

Compact™ 16-Point 100 to 240V ac Solid State Output Module 9

Publication 1769-IN061A-EN-P - December 2001

A removable, write-on label (see page 2, item 9) is provided with the module.

Remove the label from the door, mark the identification of each terminal with

permanent ink, and slide the label back into the door. Your markings (ID tag) will

be visible when the module door is closed.

Removing the Finger-Safe Terminal Block

When wiring field devices to the module, it is not necessary to remove the terminal

block. If you remove the terminal block, use the write-on label on the side of the

terminal block to identify the module slot location and type.

To remove the terminal block, loosen the upper and lower retaining screws. The

terminal block will back away from the module as you remove the screws. When

replacing the terminal block, torque the retaining screws to 0.46 Nm (4.1 in-lbs).

Wiring the Finger-Safe Terminal Block

When wiring the terminal block, keep the finger-safe cover in place.

1. Loosen the terminal screws to be wired.

SLOT # _____

MODULE TYPE ______

wiring the

finger-safe terminal

block

upper retaining screw

lower retaining screw

10 Compact™ 16-Point 100 to 240V ac Solid State Output Module

Publication 1769-IN061A-EN-P - December 2001

2. Route the wire under the terminal pressure plate. You can use the bare wire

or a spade lug. The terminals will accept a 6.35 mm (0.25 in.) spade lug.

3. Tighten the terminal screw making sure the pressure plate secures the wire.

Recommended torque when tightening terminal screws is 0.68 Nm (6 in-lbs).

Simplified Output Circuit Diagram

Wire Size and Terminal ScrewTorque

Each terminal accepts up to two wires with the following restrictions:

TIP The terminal screws are non-captive. Therefore, it is

possible to use a ring lug [maximum 1/4 inch o.d. with

a 0.139 inch minimum i.d. (M3.5)] with the module.

TIP If you need to remove the finger-safe cover, insert a

screw driver into one of the square, wiring holes and

gently pry the cover off. If you wire the terminal block

with the finger-safe cover removed, you will not be

able to put it back on the terminal block because the

wires will be in the way.

Wire Type Wire Size Terminal Screw

Torque

Retaining Screw

Torque

Solid Cu-90°C (194°F) #14 to #22 AWG 0.68 Nm (6 in-lbs) 0.46 Nm (4.1 in-lbs)

Stranded Cu-90°C (194°F) #16 to #22 AWG 0.68 Nm (6 in-lbs) 0.46 Nm (4.1 in-lbs)

OUT

VAC

470V

0.015µF

Vcc

150

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