Allen-Bradley ControlLogix 1756-IF6CIS Bedienungsanleitung

Publication 1756-IN579A-EN-P - March 2003

Installation Instructions

ControlLogix™

Sourcing Current Loop Input Module

Catalog Number 1756-IF6CIS

Obtain a User Manual

This product also has a user manual (pub. no. 1756-UM009). To view

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

To purchase a manual, you can:

·contact your distributor or Rockwell Automation representative

·visit www.theautomationbookstore.com and place an order

·call 800.963.9548 (USA/Canada) or 001.320.725.1574 (outside

USA/Canada)

To: See page:

Obtain a User Manual 1

Identify the Module Components 4

Note the Power Requirements 5

Install the Module 6

Key the Module and Removable Terminal Block/Interface Module 7

Wire the Module 11

Assemble the Removable Terminal Block and the Housing 14

Install the Removable Terminal Block onto the Module 14

Check the Indicators 15

Remove the Removable Terminal Block from the Module 16

Remove the Module 16

See Specifications 17

Allen-Bradley Drives

2ControlLogix™ Sourcing Current Loop Input Module

Publication 1756-IN579A-EN-P - March 2003

ControlLogix is a trademark of Rockwell Automation, Inc.

Important User Information

Because of the variety of uses for the products described in this publication, those

responsible for the application and use of these products must satisfy themselves that all

necessary steps have been taken to assure that each application and use meets all

performance and safety requirements, including any applicable laws, regulations, codes and

standards. In no event will Rockwell Automation be responsible or liable for indirect or

consequential damage resulting from the use or application of these products.

Any illustrations, charts, sample programs, and layout examples shown in this publication

are intended solely for purposes of example. Since there are many variables and

requirements associated with any particular installation, Rockwell Automation does not

assume responsibility or liability (to include intellectual property liability) for actual use

based upon the examples shown in this publication.

Allen-Bradley publication SGI-1.1, Safety Guidelines for the Application, Installation and

Maintenance of Solid-State Control (available from your local Rockwell Automation office),

describes some important differences between solid-state equipment and electromechanical

devices that should be taken into consideration when applying products such as those

described in this publication.

Reproduction of the contents of this copyrighted publication, in whole or part, without

written permission of Rockwell Automation, is prohibited.

Throughout this publication, notes may be used to make you aware of safety considerations.

The following annotations and their accompanying statements help you to identify a

potential hazard, avoid a potential hazard, and recognize the consequences of a potential

hazard:

WARNING

Identifies information about practices or circumstances that can cause an

explosion in a hazardous environment, which may lead to personal injury or

death, property damage, or economic loss.

ATTENTION

Identifies information about practices or circumstances that can lead to

personal injury or death, property damage, or economic loss.

IMPORTANT Identifies information that is critical for successful application and

understanding of the product.

ControlLogix™ Sourcing Current Loop Input Module 3

Publication 1756-IN579A-EN-P - March 2003

Environment and Enclosure

Prevent Electrostatic Discharge

ATTENTION

This equipment is intended for use in a Pollution Degree 2 industrial

environment, in overvoltage Category II applications (as defined in

IEC publication 60664-1), at altitudes up to 2000 meters without

derating.

This equipment is considered Group 1, Class A industrial equipment

according to IEC/CISPR Publication 11. Without appropriate

precautions, there may be potential difficulties ensuring

electromagnetic compatibility in other environments due to

conducted as well as radiated disturbance.

This equipment is supplied as "open type" equipment. It must be

mounted within an enclosure that is suitably designed for those

specific environmental conditions that will be present and

appropriately designed to prevent personal injury resulting from

accessibility to live parts. The interior of the enclosure must be

accessible only by the use of a tool. Subsequent sections of this

publication may contain additional information regarding specific

enclosure type ratings that are required to comply with certain

product safety certifications.

NOTE: See NEMA Standards publication 250 and IEC publication

60529, as applicable, for explanations of the degrees of protection

provided by different types of enclosure. Also, see the appropriate

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

1770-4.1 ("Industrial Automation Wiring and Grounding Guidelines"),

for additional installation requirements pertaining to this equipment.

ATTENTION

This equipment is sensitive to electrostatic discharge, which can

cause internal damage and affect normal operation. Follow

these guidelines when you handle this equipment:

·Touch a grounded object to discharge potential static.

·Wear an approved grounding wriststrap.

·Do not touch connectors or pins on component boards.

·Do not touch circuit components inside the equipment.

·If available, use a static-safe workstation.

When not in use, store the equipment in appropriate static-safe

packaging.

Allen-Bradley Drives

4ControlLogix™ Sourcing Current Loop Input Module

Publication 1756-IN579A-EN-P - March 2003

Removal and Insertion Under Power

Be sure that power is removed or the area is nonhazardous before

proceeding. Repeated electrical arcing causes excessive wear to

contacts on both the module and its mating connector. Worn contacts

may create electrical resistance that can affect module operation.

Identify the Module Components

You received the following components with your order:

·1756-IF6CIS module

·Removable Terminal Block (RTB) door label

If you did not receive these components, contact your local

distributor Rockwell Automation sales office.

This module mounts in a 1756 chassis and uses a separately-ordered

RTB or a Bulletin 1492 Interface Module (IFM)(1) 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

WARNING When you insert or remove the module while backplane

power is on, an electrical arc can occur. This could cause

an explosion in hazardous location installations.

(1) The Bulletin 1492 IFM may not be used in any application that requires agency certification of the

ControlLogix system. Use of the IFM violates the UL, CSA and FM certifications of this product.

ControlLogix™ Sourcing Current Loop Input Module 5

Publication 1756-IN579A-EN-P - March 2003

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 wiring.

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

·275mA at 24V dc

Add this current/power value (7.9W) to the requirements of all other

modules in the chassis to prevent overloading the power supply.

IMPORTANT Before you install your module, you should:

·install and ground a 1756 chassis and power supply.

·order and receive an RTB or IFM, and its

components, for your application.

Allen-Bradley Drives

6ControlLogix™ Sourcing Current Loop Input Module

Publication 1756-IN579A-EN-P - March 2003

Install the Module

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

Be sure that power is removed or the area is nonhazardous before

proceeding. Repeated electrical arcing causes excessive wear to

contacts on both the module and its mating connector. Worn contacts

may create electrical resistance that can affect module operation.

1. Align the circuit board with the top and bottom chassis guides.

2. Slide the module into chassis until module locking tabs click.

WARNING When you insert or remove the module while backplane

power is on, an electrical arc can occur. This could cause

an explosion in hazardous location installations.

20861–M

Printed

Circuit

Board

Locking tab

ControlLogix™ Sourcing Current Loop Input Module 7

Publication 1756-IN579A-EN-P - March 2003

Key the Module and Removable Terminal Block/Interface Module

Use the wedge-shaped keying tabs and U-shaped keying bands 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.

1. To key the module, insert the U-shaped band, as shown.

2. Push the band until it snaps in place.

3. To key the RTB or IFM, insert the wedge-shaped tab with

rounded edge first, as shown.

4. Push the tab until it stops.

Reposition the tabs to rekey future module applications.

20850–M

U-shape

d bands

20851–M

Wedge-shaped tab

Allen-Bradley Drives

8ControlLogix™ Sourcing Current Loop Input Module

Publication 1756-IN579A-EN-P - March 2003

Wire the Removable Terminal Block

Wire the RTB with a 5/16 inch (8mm) maximum flat-bladed

screwdriver before installing it onto the module.

Be sure that power is removed or the area is nonhazardous before

proceeding.

Shielded cable is required when using this module.We recommend

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

accommodate #22 - 14 AWG shielded wire.

Connect grounded end of the cable

1. Prepare one end of the cable for grounding.

WARNING When you connect or disconnect the Removable

Terminal Block (RTB) with field side power applied, an

electrical arc can occur. This could cause an explosion in

hazardous location installations.

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

ControlLogix™ Sourcing Current Loop Input Module 9

Publication 1756-IN579A-EN-P - March 2003

2. Ground at an earth ground on the chassis as shown below.

3. Connect the insulated wires to the RTB.

Connect ungrounded end of the cable

1. Prepare the non-grounded end of the cable.

20918-M

Connect the drain wire to a

chassis mounting tab.

Use any chassis mounting tab

that is designated as a functional

earth ground terminal. This

symbol appears near the tab.

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

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. Cut foil shield and drain wire

back to the cable casing and

apply shrink wrap, exposing

only the insulated wires.

43182

Allen-Bradley Drives

10 ControlLogix™ Sourcing Current Loop Input Module

Publication 1756-IN579A-EN-P - March 2003

2. Connect the insulated wires to the field device.

20863–M

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.

42516

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