Allen-Bradley POINT I/O 1734-VHSC5 Manuale utente

Installation Instructions

POINT I/O 5V DC and 24V DC Very High

Speed Counter Module

Catalog Numbers 1734-VHSC5, 1734-VHSC24,1734-VHSC24K,

Series C

Catalog numbers with the suffix ‘K’ are conformal coated and their specifications are the

same as non-conformal coated catalogs.

Table of Contents

Topic Page

Important User Information 2

Environment and Enclosure 3

Prevent Electrostatic Discharge 3

North American Hazardous Location Approval 4

European Hazardous Location Approval 5

Additional Resources 7

Before You Begin 7

Install the Mounting Base 9

Install the Module 10

Install the Removable Terminal Block 12

Remove a Mounting Base 14

Wire the Module 15

Communicate with the Module 16

Interpret Status Indicators 22

Specifications 24

2POINT I/O 5V DC and 24V DC Very High Speed Counter Module

Publication 1734-IN003H-EN-E - December 2018

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://www.rockwellautomation.com/literature/) 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 for actual 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 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. Attentions help you

identify a hazard, avoid a hazard and recognize the consequences.

SHOCK HAZARD: Labels may be on or inside the equipment (for example, drive or

motor) to alert people that dangerous voltage may be present.

BURN HAZARD: Labels may be on or inside the equipment (for example, drive or

motor) to alert people that surfaces may reach dangerous temperatures.

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

the product.

POINT I/O 5V DC and 24V DC Very High Speed Counter Module 3

Publication 1734-IN003H-EN-E - December 2018

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

EN/IEC 60664-1), at altitudes up to 2000 m (6562 ft) without derating.

This equipment is not intended for use in residential environments and may not

provide adequate protection to radio communication services in such

environments.

This equipment is supplied as open-type equipment for indoor use. 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 enclosure

must have suitable flame-retardant properties to prevent or minimize the spread

of flame, complying with a flame spread rating of 5VA or be approved for the

application if nonmetallic. The interior of the enclosure must be accessible only

by the use of a tool. Subsequent sections of this publication may contain more

information regarding specific enclosure type ratings that are required to

comply with certain product safety certifications.

In addition to this publication, see the following:

• Industrial Automation Wiring and Grounding Guidelines, publication

1770-4.1, for more installation requirements.

• NEMA Standard 250 and EN/IEC 60529, as applicable, for explanations of

the degrees of protection provided by enclosures.

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.

• Use a static-safe workstation, if available.

• Store the equipment in appropriate static-safe packaging when not in use.

4POINT I/O 5V DC and 24V DC Very High Speed Counter Module

Publication 1734-IN003H-EN-E - December 2018

North American Hazardous Location Approval

The following information applies when

operating this equipment in hazardous

locations:

Informations sur l'utilisation de cet équipement

en environnements dangereux:

Products marked "CL I, DIV 2, GP A, B, C, D" are suitable

for use in Class I Division 2 Groups A, B, C, D, Hazardous

Locations and nonhazardous locations only. Each product

is supplied with markings on the rating nameplate

indicating the hazardous location temperature code.

When combining products within a system, the most

adverse temperature code (lowest "T" number) may be

used to help determine the overall temperature code of

the system. Combinations of equipment in your system

are subject to investigation by the local Authority Having

Jurisdiction at the time of installation.

Les produits marqués "CL I, DIV 2, GP A, B, C, D" ne conviennent

qu'à une utilisation en environnements de Classe I Division 2

Groupes A, B, C, D dangereux et non dangereux. Chaque produit

est livré avec des marquages sur sa plaque d'identification qui

indiquent le code de température pour les environnements

dangereux. Lorsque plusieurs produits sont combinés dans un

système, le code de température le plus défavorable (code de

température le plus faible) peut être utilisé pour déterminer le

code de température global du système. Les combinaisons

d'équipements dans le système sont sujettes à inspection par

les autorités locales qualifiées au moment de l'installation.

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.

RISQUE D’EXPLOSION

• Couper le courant ou s'assurer que

l'environnement est classé non dangereux

avant de débrancher l'équipement.

• Couper le courant ou s'assurer que

l'environnement est classé non dangereux

avant de débrancher les connecteurs. Fixer

tous les connecteurs externes reliés à cet

équipement à l'aide de vis, loquets

coulissants, connecteurs filetés ou autres

moyens fournis avec ce produit.

• La substitution de composants peut rendre cet

équipement inadapté à une utilisation en

environnement de Classe I, Division 2.

POINT I/O 5V DC and 24V DC Very High Speed Counter Module 5

Publication 1734-IN003H-EN-E - December 2018

European Hazardous Location Approval

The following applies to products marked II 3 G:

• Are intended for use in potentially explosive atmospheres as defined by European

Union Directive 2014/34/EU and has been found to comply with the Essential Health

and Safety Requirements relating to the design and construction of Category 3

equipment intended for use in Zone 2 potentially explosive atmospheres, given in

Annex II to this Directive.

• Compliance with the Essential Health and Safety Requirements has been assured by

compliance with EN 60079-15 and EN 60079-0.

• Are Equipment Group II, Equipment Category 3, and comply with the Essential Health

and Safety Requirements relating to the design and construction of such equipment

given in Annex II to EU Directive 2014/34/EU. See the EU Declaration of Conformity at

http://www.rockwellautomation.com/global/certification/overview.page for details.

• The type of protection is Ex nA IIC T4 Gc according to EN 60079-15.

• Comply to Standards EN 60079-0:2012+A11:2013, EN 60079-15:2010, reference

certificate number DEMKO 04 ATEX 0330347X.

• Are intended for use in areas in which explosive atmospheres caused by gases,

vapors, mists, or air are unlikely to occur, or are likely to occur only infrequently and

for short periods. Such locations correspond to Zone 2 classification according to

ATEX directive 2014/34/EU.

• May have catalog numbers followed by a “K” to indicate a conformal coating option.

WARNING: Special Conditions for Safe Use:

• This equipment is not resistant to sunlight or other sources of UV radiation.

• This equipment shall be mounted in an ATEX/IECEx Zone 2 certified

enclosure with a minimum ingress protection rating of at least IP54 (in

accordance with EN/IEC 60079-15) and used in an environment of not more

than Pollution Degree 2 (as defined in EN/IEC 60664-1) when applied in

Zone 2 environments. The enclosure must be accessible only by the use of

a tool.

• This equipment shall be used within its specified ratings that are defined by

Rockwell Automation.

• Provision shall be made to prevent the rated voltage from being exceeded

by transient disturbances of more than 140% of the peak rated voltage

when applied in Zone 2 environments.

• The instructions in the user manual shall be observed.

• This equipment must be used only with ATEX certified Rockwell

Automation backplanes.

• Earthing is accomplished through mounting of modules on rail.

• Devices shall be used in an environment of not more than Pollution

Degree 2.

6POINT I/O 5V DC and 24V DC Very High Speed Counter Module

Publication 1734-IN003H-EN-E - December 2018

ATTENTION: If this equipment is used in a manner not specified by the

manufacturer, the protection provided by the equipment may be impaired.

ATTENTION: Read this document and the documents listed in the Additional

Resources section about installation, configuration, and operation of this

equipment before you install, configure, operate, or maintain this product. Users

are required to familiarize themselves with installation and wiring instructions

in addition to requirements of all applicable codes, laws, and standards.

ATTENTION: Installation, adjustments, putting into service, use, assembly,

disassembly, and maintenance are required to be carried out by suitably trained

personnel in accordance with applicable code of practice.

In case of malfunction or damage, no attempts at repair should be made. The

module should be returned to the manufacturer for repair. Do not dismantle

the module.

ATTENTION: This equipment is certified for use only within the surrounding air

temperature range of -20…+55 °C (-4…+131 °F). The equipment must not be

used outside of this range.

ATTENTION: Use only a soft dry anti-static cloth to wipe down equipment. Do

not use any cleaning agents.

ATTENTION: To comply with UL restrictions, the secondary circuit (backplane)

must be powered from a source compliant with the following:

Class 2 or Limited Voltage/Current.

ATTENTION: This equipment is not resistant to sunlight or other sources of

UV radiation.

WARNING: If 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.

WARNING: Secure any external connections that mate to this equipment by

using screws, sliding latches, threaded connectors, or other means provided

with this product.

WARNING: Do not disconnect equipment unless power has been removed or

the area is known to be nonhazardous.

POINT I/O 5V DC and 24V DC Very High Speed Counter Module 7

Publication 1734-IN003H-EN-E - December 2018

Additional Resources

Refer to the POINT I/O™ Very High-Speed Counter Module User Manual, publication

1734-UM003, for more information on how to use the module.

You can view or download publications at

http://www.rockwellautomation.com/literature/. To order paper copies of technical

documentation, contact your local Rockwell Automation distributor or sales

representative.

Before You Begin

The modules referred to in this publication are as follows:

• 1734-VHSC5, Series C

POINT I/O 5V DC Very High Speed Counter Module

• 1734-VHSC24, 1734-VHSC24K, Series C

POINT I/O 24V DC Very High Speed Counter Module

The VHSC is a two-module set:

• Module 1 houses the VHSC functionality.

• Module 2 provides screw terminals necessary to access chassis ground (chas gnd)

and common (C).

– Module 2 connects screws 4 and 5 and screws 6 and 7 for ease of wiring

power to the input device.

– Module 2 is not necessary for VHSC functionality.

– Module 2 serves only to ease customer wiring.

– Module 2 does not use a node address or consume power from the

POINTBus.

Mount module 2 adjacent to module 1.

Note that this series C product can be used with the following:

• DeviceNet® and PROFIBUS adapters

• ControlNet® and EtherNet/IP™ adapters, using RSLogix 5000® software, version

11 or later

See the figure to familiarize yourself with major parts of the module, noting that the wiring

base assembly is the 1734-TB or 1734-TBS POINT I/O™ two-piece terminal base, which

includes the 1734-RTB or 1734-RTBS removable terminal block, and 1734-MB

mounting base

8POINT I/O 5V DC and 24V DC Very High Speed Counter Module

Publication 1734-IN003H-EN-E - December 2018

POINT I/O VHSC Module with 1734-TB or 1734-TBS Base

Description Description

1 Module locking mechanism 6 Slide-in writable label

2 Module wiring diagram 7 Insertable I/O module

3 DIN rail locking screw (orange) 8 Removable terminal block (RTB) handle

4 Mechanical keying (orange) 9 Removable terminal block with screw

(1734-RTB) or spring clamp (1734-RTBS)

5 Interlocking side pieces 10 Mounting base

NODE:

41825

POINT I/O 5V DC and 24V DC Very High Speed Counter Module 9

Publication 1734-IN003H-EN-E - December 2018

Install the Mounting Base

To install the mounting base on the DIN rail (Allen-Bradley® part number 199-DR1;

46277-3; EN50022), proceed as follows.

1. Position the mounting base vertically above the installed units (adapter, power

supply or existing module).

ATTENTION: This product is grounded through the DIN rail to chassis ground.

Use zinc plated chromate-passivated steel DIN rail to assure proper grounding.

The use of other DIN rail materials (for example, aluminum or plastic) that can

corrode, oxidize, or are poor conductors, can result in improper or intermittent

grounding. Secure DIN rail to mounting surface approximately every 200 mm

(7.8 in.) and use end-anchors appropriately. Be sure to ground the DIN rail

properly. Refer to Industrial Automation Wiring and Grounding Guidelines,

Rockwell Automation publication 1770-4.1, for more information.

WARNING: When used in a Class I, Division 2, hazardous location, this

equipment must be mounted in a suitable enclosure with proper wiring method

that complies with the governing electrical codes.

46014

10 POINT I/O 5V DC and 24V DC Very High Speed Counter Module

Publication 1734-IN003H-EN-E - December 2018

2. Slide the mounting base down allowing 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

The module can be installed before or after base installation. Make sure that the mounting

base is correctly keyed before installing the module into the mounting base. In addition,

make sure the mounting base locking screw is positioned horizontal referenced to the base.

To install the module, proceed as follows.

1. Use a bladed screwdriver to 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.

2. Verify the DIN rail locking screw is in the horizontal position.

You cannot insert the module if the locking mechanism is unlocked.

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.

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