Allen-Bradley ControlLogix 1756-OB16D Bedienungsanleitung

Publication 1756-IN058D-EN-P - October 2000

Installation Instructions

ControlLogix

DC (19.2-30V) Diagnostic Output Module

(Catalog Number 1756-OB16D)

Obtain a User Manual

This product also has a user manual (pub. no. 1756-6.5.8). To view it,

visit www.ab.com/manuals or www.theautomationbookstore.com

You can also purchase a printed manual by:

•contacting your local distributor or Rockwell Automation

representative

•visiting www.theautomationbookstore.com and placing

an order

To: See page:

Obtain a User Manual 1

Identify the Module Components 2

Prevent Electrostatic Discharge 3

See Removal and Insertion Under Power (RIUP) 3

Understand Compliance to European Union Directive 4

Note the Power Requirements 5

Install the Module 5

Key the Removable Terminal Block/Interface Module 6

Wire the Module 7

Assemble the Removable Terminal Block and the Housing 8

Install the Removable Terminal Block onto the Module 8

Check the Indicators 10

Remove the Removable Terminal Block from the Module 11

Remove the Module 12

See 1756-OB16D Specifications 12

Hazardous Location information 14

Allen-Bradley Drives

2ControlLogix DC (19.2-30V) Diagnostic Output Module

Publication 1756-IN058D-EN-P - October 2000

•calling 800.963.9548 (USA/Canada) or 001.320.725.1574

(outside USA/Canada)

Identify the Module Components

You received the following components with your order:

•1756-OB16D module

•Removable Terminal Block (RTB) door label

If you did not receive these components, contact your Rockwell

Automation sales office.

This module mounts in a ControlLogixchassis and uses a

separately-ordered RTB or a Bulletin 1492 Interface Module (IFM) to

connect all field-side wiring.

This module uses one of the following RTBs:

•1756-TBCH 36 position Cage clamp RTB

•1756-TBS6H 36 position Spring clamp RTB

Use an extended-depth cover (1756-TBE) for applications with heavy

gauge wiring or requiring additional routing space. When using an

IFM, consult the documentation that came with it to connect

all wiring.

IMPORTANT Before you install your module, you should

have already:

•installed and grounded a 1756 chassis and

power supply.

•ordered and received an RTB or IFM and its

components for your application.

ControlLogix DC (19.2-30V) Diagnostic Output Module 3

Publication 1756-IN058D-EN-P - October 2000

Prevent Electrostatic Discharge

Removal and Insertion Under Power (RIUP)

ATTENTION

Electrostatic discharge can damage integrated circuits or

semiconductors if you touch backplane 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 backplane 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.

WARNING

This module is designed so you can remove and insert it

under backplane power and field-side power. When you

remove or insert a module while field-side power is

applied, you may cause an electrical arc. An electrical

arc can cause personal injury or property damage

because it may:

•send an erroneous signal to your system’s field

devices, causing unintended machine motion or loss

of process control.

•cause an explosion in a hazardous environment.

Repeated electrical arcing causes excessive wear to

contacts on both the module and its mating connector.

Worn contacts may create electrical resistance.

When you insert or remove the module while backplane

power is on, or you connect or disconnect the RTB with

field-side power applied, an electrical arc can occur. This

could cause an explosion in hazardous location

installations. Be sure that power is removed or the area is

non-hazardous before proceeding.

Allen-Bradley Drives

4ControlLogix DC (19.2-30V) Diagnostic Output Module

Publication 1756-IN058D-EN-P - October 2000

Understand Compliance to European Union Directive

If this product bears the CE marking, it is approved for installation

within the European Union and EEA regions. It has been designed

and tested to meet the following directives.

EMC Directive

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

Electromagnetic Compatibility (EMC) and the following standards, in

whole or in part, documented in a technical construction file:

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

Industrial Environment

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

Industrial Environment

This product is intended for use in an industrial environment.

Low Voltage Directive

This product is tested 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 required by EN 61131-2, see the appropriate

sections in this publication, as well as the following Allen-Bradley

publications:

•Industrial Automation Wiring and Grounding Guidelines,

publication 1770-4.1

•Automation Systems Catalog, publication B111

This equipment is classified as open equipment and must be installed

(mounted) in an enclosure during operation as a means of providing

safety protection.

ControlLogix DC (19.2-30V) Diagnostic Output Module 5

Publication 1756-IN058D-EN-P - October 2000

Note the Power Requirements

This module receives power from the 1756 chasis power supply and

requires 2 sources of power from the backplane:

•250mA at 5.1V dc

•140mA at 24V dc

Add this current/power value (4.64W) to the requirements of all other

modules in the chassis to prevent overloading the power supply.

Install the Module

You can install or remove the module while chassis power is applied.

ATTENTION

The module is designed to support Removal and

Insertion Under Power (RIUP). However, when

you remove or insert an RTB with field-side power

applied, unintended machine motion or loss of

process control can occur. Exercise extreme

caution when using this feature.

20861–M 20862–M

1. Align circuit board with top and

bottom chassis guides.

2. Slide module into chassis until

module locking tabs ‘click’.

Printed

Circuit

Board

Locking tab

Allen-Bradley Drives

6ControlLogix DC (19.2-30V) Diagnostic Output Module

Publication 1756-IN058D-EN-P - October 2000

Key the Removable Terminal Block/Interface Module

Wedge-shaped keying tabs and U-shaped keying bands came with

your RTB to prevent connecting the wrong wires to your module.

Key positions on the module that correspond to unkeyed positions

on the RTB. For example, if you key the first position on the module,

leave the first position on the RTB unkeyed.

Reposition the tabs to rekey future module applications.

Wire the Removable Terminal Block

Wire the RTB with a 1/8 inch (3.2mm) maximum flat-bladed

screwdriver before installing it onto the module.

20850–M

1. Insert the U-shaped band as shown.

2. Push the band until it snaps in place.

U-shaped

bands

1. Insert the wedge-shaped tab with rounded edge first.

2. Push the tab until it stops.

20851–M

Wedge-shaped tab

Key the Module Key the RTB/IFM

Spring Clamp RTB Cage Clamp RTB

20860-M 20859-M

1. Strip 7/16 inch (11mm) maximum length of

wire.

2. Insert the screwdriver into the inner hole

of the RTB.

3. Insert the wire into the open

terminal and remove the

screwdriver.

1. Strip 3/8 inch (9.5mm) maximum length of

wire.

2. Insert the wire into the open terminal.

3. Turn the screw clockwise to close the

terminal on the wire.

ControlLogix DC (19.2-30V) Diagnostic Output Module 7

Publication 1756-IN058D-EN-P - October 2000

Wire the Module

You can only connect wiring to your module through an RTB or IFM.

The example below shows how to wire the module.

After completing field-side wiring, secure the wires in the strain relief

area with a cable-tie.

910

1112

1314

1516

1718

1920

2122

2324

2526

2728

2930

3334

3536

40173-M

+–

1. All terminals with the same name are connected together on the module. For example,

DC COM can be connected to either terminal marked GND-1.

2. When you daisy chain to other RTBs, always connect the daisy chain to the terminal

directly connected to the supply wire, as shown in the example above.

3. This wiring example shows a single voltage source.

4. If separate power sources are used, do not exceed the specified isolation voltage.

Daisy chain

to other RTBs

DC COM

Group 0 Group 0

Group 1 Group 1

1756-OB16D

+DC-0

+DC-1

+DC-0

GND-0

Not used

+DC-1

GND-1

OUT-0

OUT-1

OUT-2

OUT-3

OUT-8

OUT-4

OUT-5

OUT-6

OUT-7

Not used

OUT-9

OUT-10

OUT-11

OUT-12

OUT-13

OUT-14

OUT-15

Not used

Daisy chain to other RTBs

Allen-Bradley Drives

8ControlLogix DC (19.2-30V) Diagnostic Output Module

Publication 1756-IN058D-EN-P - October 2000

Assemble the Removable Terminal Block and the Housing

Install the Removable Terminal Block onto the Module

WARNING

The RTB is designed to support Removal and Insertion

Under Power (RIUP). However, when you remove or

insert an RTB with field-side power applied, unintended

machine motion or loss of process control can

occur. Exercise extreme caution when using this feature.

It is recommended that field-side power be removed

before installing the RTB onto the module.

When you remove or insert a module while field-side

power is applied, you may cause an electrical arc. An

electrical arc can cause personal injury or property

damage because it may:

•send an erroneous signal to your system’s field

devices, causing unintended machine motion or loss

of process control.

•cause an explosion in a hazardous environment.

Repeated electrical arcing causes excessive wear to

contacts on both the module and its mating connector.

Worn contacts may create electrical resistance.

When you insert or remove the module while backplane

power is on, or you connect or disconnect the RTB with

field-side power applied, an electrical arc can occur. This

could cause an explosion in hazardous location

installations. Be sure that power is removed or the area is

non-hazardous before proceeding.

20858–M

Groove

Side edge of the RTB

Strain relief area

1. Align the grooves at the bottom of the housing with the side edges of the RTB.

2. Slide the RTB into the housing until it snaps into place.

ControlLogix DC (19.2-30V) Diagnostic Output Module 9

Publication 1756-IN058D-EN-P - October 2000

Before installing the RTB, make certain:

•field-side wiring of the RTB has been completed.

•the RTB housing is snapped into place on the RTB.

•the RTB housing door is closed.

•the locking tab at the top of the module is unlocked.

20853–M

20854–M

Module

guide

RTB guides

Locking

tab

1. Align the side and top, bottom RTB guides with the

side, top and bottom module guides.

2. Press quickly and evenly to seat the RTB on the

module until the latches snap into place.

3. Slide the locking tab down to lock the RTB

onto the module.

Allen-Bradley Drives

10 ControlLogix DC (19.2-30V) Diagnostic Output Module

Publication 1756-IN058D-EN-P - October 2000

Check the Indicators

The indicators show individual I/O status (yellow) for each point and

a bi-colored LED for module "OK" (red/green).

During power up, an indicator test is done and the following occurs:

•The "OK" indicator turns red for 1 second and then turns to

flashing green if it has passed the self-test.

•The I/O status indicators turn ON for a maximum of 2 seconds

and then turn OFF.

This completes installation of the module. Use the information below

to remove the module.

LED

indicator:

This

display:

Means: Take this action:

OK Steady

green light

The outputs are actively being

controlled by a system

processor.

None

OK Flashing

green light

The module has passed

internal diagnostics but is not

actively controlled.

Configure the module.

OK Flashing red

light

Previously established

communication has timed out.

Check controller and chassis

communication.

OK Steady red

light

An unrecoverable error has

occurred on the module.

Replace the module.

I/O State Yellow The output is active. None

I/O Fault Red A fault has occurred for this

point.

Check this point at the

controller.

40463-M

ST012 34567

FLT012 34567

DIAGNOSTIC

S T 8 9 10 11 12 13 14 15

FLT 8 9 101112131415

DC OUTPUT

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