Allen-Bradley C Series Manuale utente

Publication1734-IN024A-EN-E - March 2005

Installation Instructions

POINT I/O Common Terminal Module and

Voltage Terminal Module

CatalogNo.1734-CTM,SeriesC,and1734-VTM,SeriesC

DIN Rail

Locking

Screw

(orange)

MountingBase

Interlocking

Side Pieces

InsertableI/O Module

Removable Terminal

Block (RTB)

RTB Removable Handle

Mechanical keying

(orange)

Module Locking Mechanism

ModuleWiringDiagram

31538-M

The Wiring Base Assembly consists of Mounting Base, 1734-MB,

and Removable Terminal Block, 1734-RTB or 1734-RTBS.

Allen-Bradley Replacements

2POINT I/O Common Terminal Module and Voltage Terminal Module

Publication1734-IN024A-EN-E - March 2005

Important User Information

Solid state equipment has operational characteristics differing from those of

electromechanical equipment. Safety Guidelines for the Application, Installation and

Maintenance of Solid State Controls (Publication SGI-1.1 available from your local Rockwell

Automation sales office or online at http://literature.rockwellautomation.com) describes

some important differences between solid state equipment and hard-wired

electromechanical devices. Because of this difference, and also because of the wide variety

of uses for solid state equipment, all persons responsible for applying this equipment must

satisfy themselves that each intended application of this equipment is acceptable.

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

consequential damages resulting from the use or application of this equipment.

The examples and diagrams in this manual are included solely for illustrative purposes.

Because of the many variables and requirements associated with any particular installation,

Rockwell Automation, Inc. cannot assume responsibility or liability foractual use based on

the examples and diagrams.

No patent liability is assumed by Rockwell Automation, Inc. with respect to use of

information, circuits, equipment, or software described in this manual.

Reproduction of the contents of this manual, in whole or in part, without written permission

of Rockwell Automation, Inc., is prohibited.

Throughout this manual, when necessary, we use notes to make you aware of safety

considerations.

WARNING Identifies information about practicesor circumstances thatcan cause an explosion in a

hazardous environment, which may lead to personal injuryor death, property damage, or

economic loss.

IMPORTANT Identifies information that is critical for successful application and understanding of the

product.

ATTENTION Identifiesinformationaboutpracticesorcircumstancesthatcanleadtopersonalinjuryor

death, property damage, or economic loss. Attentionshelp you:

•identify a hazard

•avoid a hazard

•recognize the consequence

HOCK HAZARD Labels may be located on or inside the equipment(e.g., drive or motor) toalert people

that dangerous voltage may be present.

BURN HAZARD Labels may be located on or inside the equipment(e.g., drive or motor) toalert people

that surfaces may be dangerous temperatures.

POINT I/O Common Terminal Module and Voltage Terminal Module 3

Publication 1734-IN024A-EN-E - March 2005

WARNING Environment and Enclosure

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.

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.

Allen-Bradley Replacements

4POINT I/O Common Terminal Module and Voltage Terminal Module

Publication1734-IN024A-EN-E - March 2005

About the Modules

The POINT I/O Common Terminal Module and Voltage Terminal

Module provide expansion of the termination capability of POINT

I/O. The modules support higher density (8 channel) POINT I/O

modules and management of wiring of field devices to the POINT

I/O solution.

WARNING Explosion Hazard

Do not disconnect equipment unless power has been

removed or the area is known to be nonhazardous.

Do not disconnect connections to this equipment unless

power has been removed or the area is known to be

nonhazardous. Secure any external connections that mate

to this equipment by using screws, sliding latches,

threaded connectors, or other means provided with this

product.

Substitution of components may impair suitability for

Class I, Division 2.

If this product contains batteries, they must only be

changed in an area known to be nonhazardous.

POINT I/O Common Terminal Module and Voltage Terminal Module 5

Publication 1734-IN024A-EN-E - March 2005

Install the Mounting Base

To install the mounting base on the DIN rail, proceed as follows.

1. Position the mounting base vertically above the installed units

(adapter, power supply, or existing module).

2. Slide the mounting base down so that the interlocking side

pieces to engage the adjacent module or adapter.

3. Press firmly to seat the mounting base on the DIN rail. The

mounting base snaps into place.

Install the Module

Install the module before or after mounting base installation. Be sure

to correctly key the mounting base before installing the module into

the mounting base. In addition, be sure to position the mounting

base locking screw horizontal referenced to the base.

1. Using a bladed screwdriver, rotate the keyswitch on the

mounting base clockwise until the number required for the

type of module you are installing aligns with the notch in the

base.

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.

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.

Allen-Bradley Replacements

6POINT I/O Common Terminal Module and Voltage Terminal Module

Publication1734-IN024A-EN-E - March 2005

2. Make certain the DIN rail locking screw is in the horizontal

position.

You cannot insert the module if the locking mechanism is

unlocked.

3. Insert the module straight down into the mounting base and

press to secure.

The module locks into place.

Install the Removable Terminal Block (RTB)

You will find the RTB supplied with the wiring base assembly. To

remove, pull up on the RTB handle. You can now remove the

mounting base and replace as necessary without removing any of the

wiring. To reinsert the RTB, proceed as follows.

1. Insert the end opposite the handle into the base unit.

This end has a curved section that engages with the wiring

base.

2. Rotate the terminal block into the wiring base until it locks

itself in place.

3. If an I/O module is installed, snap the RTB handle into place

on the module.

POINT I/O Common Terminal Module and Voltage Terminal Module 7

Publication 1734-IN024A-EN-E - March 2005

Remove a Mounting Base

To remove a mounting base, you must remove any installed module,

and the module installed in the base to the right. Remove the

removable terminal block (if wired).

1. Unlatch the RTB handle on the I/O module.

2. Pull on the RTB handle to remove the removable terminal

block.

3. Press on the module lock on the top of the module.

4. Pull on the I/O module to remove from the base.

5. Repeat steps 1, 2, 3, and 4 for the module to the right.

6. Use a small-bladed screwdriver to rotate the orange base

locking screw to a vertical position.

This releases the locking mechanism.

7. Lift straight up to remove.

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.

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.

Allen-Bradley Replacements

8POINT I/O Common Terminal Module and Voltage Terminal Module

Publication1734-IN024A-EN-E - March 2005

Wire the Modules

1734

VTM

1734

CTM

1734-VTM 1734-CTM

Voltage Out

Common

43929

Voltage Out = 0 to 7 Common = 0 to 7

POINT I/O Common Terminal Module and Voltage Terminal Module 9

Publication 1734-IN024A-EN-E - March 2005

43927

V = Voltage Out C = Common

2-wire

3-wire

Prox

1734-CTM

1734-VTM

In 0 In 1

In 2

In4 In 5

In7

In6

In 3

C C

1734-IB8

V V

Sink Input Wiring

Allen-Bradley Replacements

10 POINT I/O Common Terminal Module and Voltage Terminal Module

Publication1734-IN024A-EN-E - March 2005

43927

V = Voltage Ou

C = Common

2-wire

3-wire

Prox

V V

1734-CTM

1734-VTM

In 0 In 1

In 2

In4 In 5

In7

In6

In 3

C C

1734-IV8

Source Input Wiring

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