Allen-Bradley ControlLogix 1756-OF6VI Bedienungsanleitung

Publication 1756-IN035C-EN-P - October 2000

Installation Instructions

ControlLogix

Analog (10V) Output Module

(Catalog Number 1756-OF6VI)

Obtain a User Manual

This product also has a user manual (pub. no. 1756-6.5.9). 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 8

Assemble the Removable Terminal Block and the Housing 9

Install the Removable Terminal Block onto the Module 9

Check the Indicators 11

Remove the Removable Terminal Block from the Module 12

Remove the Module 13

See 1756-OF6VI Specifications 13

Hazardous Location information 15

AB Spares

2ControlLogix Analog (10V) Output Module

Publication 1756-IN035C-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-OF6VI 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-TBNH 20 position NEMA RTB

•1756-TBSH 20 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 Analog (10V) Output Module 3

Publication 1756-IN035C-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.

AB Spares

4ControlLogix Analog (10V) Output Module

Publication 1756-IN035C-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 Analog (10V) Output Module 5

Publication 1756-IN035C-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

•175mA at 24V dc

Add this current/power value (5.5W) 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

AB Spares

6ControlLogix Analog (10V) Output Module

Publication 1756-IN035C-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 5/16 inch (8mm) maximum flat-bladed

screwdriver before installing it onto the module.

Shielded cable is required when using this module. We recommend

using Belden 8761 cable to wire the RTB. The RTB terminations can

accommodate 14-22 gauge shielded wire.

Connect grounded end of the cable

1. Ground the drain wire.

IMPORTANT

We recommend grounding the drain wire at the

field-side. If you cannot ground at the field-side, ground

at an earth ground on the chassis as shown.

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

ControlLogix Analog (10V) Output Module 7

Publication 1756-IN035C-EN-P - October 2000

2. Connect the insulated wires to the field-side.

Connect ungrounded end of the cable

1. Cut the foil shield and drain wire back to the cable casing and

apply shrink wrap.

2. Connect the insulated wires to the RTB (see page 8).

A. Remove a length

of cable jacket

from the

connecting cable.

B. Pull the foil shield

and bare drain

wire from the

insulated wire.

C. Twist the foil shield

and drain wire

together to form a

single strand.

D. Attach a ground lug

and apply heat

shrink tubing to the

exit area.

20104-M

20918-M

E. Connect the drain wire to a

chassis mounting tab.

Use any chassis mounting

tab that is designated as a

functional signal ground.

Chassis mounting tab

Drain wire with ground lug

4M or 5M (#10 or #12)

phillips screw and star

washer (or SEM screw)

4M or 5M (#10 or #12)

star washer

Spring Clamp RTB

A. Strip 7/16 inch (11mm) maximum

length of wire.

B. Insert the screwdriver into the

inner hole of the RTB.

C. Insert the wire into the open terminal and

remove the screwdriver.

NEMA Screw RTB

A. Strip 5/16 inch (8mm) maximum length

of wire.

B. Turn the terminal screw counterclockwise.

C. Wrap wire around the terminal.

D. Turn the terminal screw clockwise.

AB Spares

8ControlLogix Analog (10V) Output Module

Publication 1756-IN035C-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.

20967-M

910

1112

1314

1516

1718

1920

–

Shield Ground

1756-OF6VI

OUT-1

Not used

RTN-1

OUT-3

RTN-3

Not used

OUT-5

Not used

RTN-5

OUT-0

Not used

RTN-0

OUT-2

RTN-2

Not used

OUT-4

Not used

RTN-4

User Analog

Output Device

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

ControlLogix Analog (10V) Output Module 9

Publication 1756-IN035C-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.

20852-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.

AB Spares

10 ControlLogix Analog (10V) Output Module

Publication 1756-IN035C-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.

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