Rockwell Automation 1734-VHSC5, 1734-VHSC24 Installation Instructions Manual

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Page 1

Installation Instructions

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

Catalog Numbers 1734-VHSC5, 1734-VHSC24, Series C

Table of Contents

Topic Page

Important User Information 2

Environment and Enclosure 3

Preventing Electrostatic Discharge 3

North American Hazardous Location Approval 4

European Hazardous Location Approval 5

Additional Resources 6

About the Module 6

Install the Mounting Base 8

Install the Module 8

Install the Removable Terminal Block 10

Remove a Mounting Base 11

Wire the Module 12

Communicate with Your Module 13

Interpret Status Indicators 20

Specifications 22

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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

http://www.rockwellautomation.com/literature/

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.

available from your local Rockwell Automation sales office or online at

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.

) describes some important differences between

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.

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Environment and Enclosure

ATTENTION: This equipment is intended for use in a Pollution Degree 2

industrial environment, in overvoltage Category II applications (as defined in 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. 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 additional information regarding specific enclosure type ratings that are required to comply with certain product safety certifications.

In addition to this publication, see:

• Industrial Automation Wiring and Grounding Guidelines, publication

1770-4.1

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

, for additional installation requirements.

degrees of protection provided by enclosures.

Preventing Electrostatic Discharge

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.

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North American Hazardous Location Approval

The following information applies when operating this equipment in hazardous locations:

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 rat ing nameplate indicating the hazardous location tempe rature 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.

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.

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.

Informations sur l'utilisation de cet équipement en environnements dangereux:

Les produits marqués "CL I, DIV 2, GP A, B, C, D" ne conviennent qu'à une utilisation en environnements de Classe I D ivision 2 Groupes A, B, C, D dangereux et non dangereu x. 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.

RISQUE D’EXPLOSION

• Couper le courant ou s'assurer que l'environnement est classé non dangere ux avant de débrancher l'équipement.

• Couper le courant ou s'assurer que l'environnement est classé non dangere ux 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.

• S'assurer que l'environnement est classé non dangereux avant de changer les piles.

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.

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European Hazardous Location Approval

European Zone 2 Certification. The following applies when the product bears the Ex Marking.

ATTENTION: This equipment is intended for use in potentially explosive atmospheres as defined by European Union Directive 94/9/EC.

DEMKO certifies that this equipment 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.

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

WARNING: This equipment shall be mounted in an ATEX certified enclosure with a minimum ingress protection rating of at least IP54 ( as defined in IEC60529) and used in an environment of not more than Pollution Degree 2 (as defined in IEC 60664-1) when applied in Zone 2 environments. The enclosure must utilize a tool removable cover or door.

WARNING: This equipment shall be used within its specified ratings defined by Rockwell Automation.

WARNING: Provision shall be made to prevent the rated voltage from being exceeded by transient disturbances of more than 140% of the rated voltage when applied in Zone 2 environments.

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.

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Additional Resources

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

1734-UM003

You can view or download publications at

, for more information on how to use the module.

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

documentation, contact your local Rockwell Automation distributor or sales representative.

About the Module

You can use these Series C modules with DeviceNet and PROFIBUS adapters. If you are using RSLogix 5000 software, version 11 or higher, you can also use the Series C modules with ControlNet and Ethernet adapters.

Use this diagram to identify the external features of the module. The 1734-VHSC5 module is shown here.

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

NODE:

3 4

The wiring base assembly includes terminal base, 1734-TB or 1734-TBS, which consists of mounting base, 1734-MB, and removable terminal base, 1734-RT or 1734-RTB.

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Module Description

Description Description

1 Module locking mechanism 6 Slide-in writable label

2 Module locking mechanism 7 Insertable I/O module

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

4 Mechanical keying (orange) 9 Removable terminal block (RTB)

5 Interlocking side pieces 10 Mounting base

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, 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.

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

Install the Mounting Base

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

ATTENTION: This product is grounded through the DIN rail to chassis ground. Use zinc plated yellow-chromate 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.

1. Position the mounting base vertically above the installed units (adapter, power supply or existing module).

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.

ATTENTION: Do not discard the end cap. Use this end cap to cover the exposed interconnections on the last mounting base on the DIN rail. Failure to do so could result in equipment damage or injury from electric shock.

Install the Module

ATTENTION: 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.

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.

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24VDC

Source

Output

Module

Status

Netw

ork

Status

1734

1. Using a bladed screwdriver, rotate the keyswitch on the mounting base clockwise until the number required for the type of module being installed aligns with the notch in the base.

Turn the keyswitch to align the number with the notch (position 3 is shown).

44009

2. Make certain the DIN rail locking screw is in the horizontal position. You cannot insert the module if the locking mechanism is unlocked.

Be sure the DIN rail locking screw is in the horizontal position.

44010

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

NOD

4. Press to secure. The module locks into place.

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

Hook the RTB end into the mounting base end, and rotate until it locks into place.

Install the Removable Terminal Block

A removable terminal block (RTB) is supplied with your wiring base assembly. To remove, pull up on the RTB handle. This allows the mounting base to be removed and replaced as necessary without removing any of the wiring. To reinsert the removable terminal block, 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.

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.

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

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POINT I/O 5V DC and 24V DC Very High Speed Counter Module 11

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.

ATTENTION: 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.

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.

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

Wire the Module

Module status

Network status

Status of input A

Status of input B Status of input Z

Status of output 0 Status of output 1

Input A

Input B

Input Z

Out 0

Input A

Input B

Input Z

Out 1

Chassis ground

ret

RET 0

-V

aux

Chassis ground

RET 1

-V

aux

WARNING: If you connect or disconnect wiring while the field-side 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.

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Module 2

Chas

gnd

RET 1RET 0

-V

aux

Module 1

Terminations

0 A 0 Chassis ground

ret

2 B 2 Out 0 RET

ret

4Z 4V

ret

6 Out 0 6 V

7 Out 1 7 V

Module 2 Terminations

1 Chassis ground

3 Out 1 RET

aux

Out 0

Module 1

ret

Out 1

Communicate with Your Module

POINT I/O modules send (consume) and receive ( produce) I/O messages. You map these messages onto processor memory.

This module produces 6 or 10 Bytes of input data (scanner Rx) (status). It consumes 2 or 4 Bytes of I/O data (scanner Tx).

Use Parameter To Select Assembly For Data

23 and 24 101, 102, or 103 Produced

25 105, 106, or 107 Consumed

Set parameter 25 to zero to re-enable parameter 4, active output.

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

Default Data Map

Message size: 6 or 10 Bytes

15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00

Produces (scanner Rx)

Where: LSW = Least significant word

When you send a configuration to the module, you check it for consistency before applying it.

Monitor this PE bit with your user program to isolate any problems with an improperly configured module. If the configuration is acceptable, the counter ASIC is disabled while the ASIC is loaded with new operational parameters. Outputs can turn off during this reconfiguration.

Channel 0 value of present counter state (LSW)

Channel 0 value of present counter state (MSW)

PE EF NR 0 FS FS OS OS 0 ZS BS AS C1 C0 ZD 0

MSW = Most significant word PE = Programming error EF = EEPROM fault status NR = Not ready status bit FS = Output fault status bit – bit 10 for output 0, bit 11 for output 1 OS = Output on/off status bit – bit 8 for output 0, bit 9 for output 1 ZS = Z input status BS = B input status AS = A input status C = Stored data count ZD = Zero frequency detected

Message size: 2 or 4 Bytes

08...15 07 06 05 04 03 02 01 00

Consumes (scanner Tx)

Where: VR = Value reset of stored/accumulated count

0 00000VRCPCR

0 DSES0EF0 DSES0EF0

CP = Counter preset CR = Counter reset DS = Diagnostic speed ES = Electronic fuse select OE = Output enable FO = Force output

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Module Configuration

Parameter Set/Get Description Bytes

1 Set/Get Counter configuration 1

2 Set/Get Filter selection 1

3 Set/Get Decimal position 1

4 Set/Get Active output assembly 1

5 Set/Get Time base value 2

6 Set/Get Gate interval 1

7 Set/Get Channel scalar 1

8 Set/Get Output 0 ties 1

9 Set/Get Output 1 ties 1

10 Set/Get Channel rollover value 4

11 Set/Get Channel preset value 4

12 Set/Get ON value 1 4

13 Set/Get OFF value 1 4

14 Set/Get ON value 2 4

15 Set/Get OFF value 2 4

16 Set/Get ON value 3 4

17 Set/Get OFF value 3 4

18 Set/Get ON value 4 4

19 Set/Get OFF value 4 4

20 Set/Get PWM safe state value 2

21 Set/Get Counter control safe state 1

22 Set/Get Output control safe state 1

23 Set/Get Requested poll produce assembly 1

24 Set/Get Requested COS produce assembly 1

25 Set/Get Requested poll consume assembly 1

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

Counter Configuration

07 06 05 04 03 02 01 00 Counter 0

ZI MD CF

0000Counter

0001Encoder X1

0010Encoder X2

0011PWM

0100Encoder X4

0101Period/Rate

0110Continuous/Rate

0111Rate measurement

1000Pulse generator

0 0 0 Store count disabled

0 0 1 Mode 1 – store/continue

0 1 0 Mode 2 – store/wait/resume

0 1 1 Mode 3 – store, reset/wait/start

1 0 0 Mode 4 – store, reset/start

101 Reserved

110 Reserved

1000Pulse generator

0 0 0 Store count disabled

0 0 1 Mode 1 – store/continue

0 1 0 Mode 2 – store/wait/resume

0 1 1 Mode 3 – store, reset/wait/start

1 0 0 Mode 4 – store, reset/start

101 Reserved

110 Reserved

111 Reserved

0 Z input – 0 = not inverted

1 Z input – 1 = inverted

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Filter Selection

07 06 05 04 03 02 01 00 0

0 ZFBFAFFS

0000No filter

000150 kHz (10 μs + 0 μs/-1.6 μs)

00105 kHz (100 μs + 0 μs/-13.2 μs)

0100500 Hz (1.0 ms + 0 ms/-125 μs)

100050 Hz (10 ms + 0 ms/-1.25 ms)

0 A input not filtered

1 A input filtered

0 B input not filtered

1 B input filtered

0 Z input not filtered

1 Z input filtered

Assumes a 50% duty cycle signal.

Scalar Selection

07 06 05 04 03 02 01 00 Scalar

00000001Z – F

00000 010Z/2 – F

00000100Z/4 – F

00001000Z/8 – F

00010000Z/16 – F

0010 0000Z/32 – F

01000000Z/64 – F

10000000Z/128 – F

1 B input filtered

0 Z input not filtered

1 Z input filtered

(1)

Where F

indicates the frequency at which the zero frequency detect is asserted du e to counter overflow.

min

(1)

= 0.149 Hz

min

= 0.298 Hz

= 0.596 Hz

= 1.192 Hz

min

= 2.384 Hz

= 4.768 Hz

= 9.537 Hz

= 19.073 Hz

The module uses several words to communicate real-time input and output data as well as non-real-time module information (for example, description, and revision) and

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

configuration. The table shows the words you can exchange. You can read (get) or write (set) data using an Explicit Message.

Assemblies

Instances

Services Field Bytes

(Dec/Hex)

#101 (0x65) Get Present channel data 4

Status 2

#102 (0x66) Get Stored channel data 4

Status 2

#103 (0x67) Get Present channel data 4

Stored channel data 4

Status 2

#104 (0x68) Get Programming error code 2

#105 (0x69) Set/Get Counter control 1

Output control 1

#106 (0x6a) Set/Get PWM value 2

#107 (0x6b) Set/Get PWM value 2

Counter control 1

Output control 1

#108 (0x6c) Set/Get Counter configuration 1

Filter selection 1

Decimal position 1

Active output assembly 1

Time base or PWM period 2

Gate interval 1

Scalar 1

Output 0 ties 1

Output 1 ties 1

Rollover value 4

Preset value 4

ON value #1 4

OFF value #1 4

ON value #2 4

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Assemblies

POINT I/O 5V DC and 24V DC Very High Speed Counter Module 19

Instances

Services Field Bytes

(Dec/Hex)

OFF value #2 4

ON value #3 4

OFF value #3 4

ON value #4 4

OFF value #4 4

PWM safe state value 2

Counter control SSV 1

Output control SSV 1

#123 (0x7b) Set/Get Counter configuration 1

Filter selection 1

Decimal position 1

Reserved (set to 0) 1

Time base or PWM period 2

Gate interval 1

Scalar 1

Output 0 ties 1

Output 1 ties 1

Alignment (reserved = 0) 2

Rollover value 4

Preset value 4

ON value #1 4

OFF value #1 4

ON value #2 4

OFF value #2 4

ON value #3 4

OFF value #3 4

ON value #4 4

OFF value #4 4

PWM safe state value 2

Counter control SSV 1

Output control SSV 1

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

Interpret Status Indicators

Refer to the following diagram and table for information on how to interpret the status indicators.

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

Module status

Network status

Status of input A

Status of input B

Status of input Z

Status of output 0

Status of output 1

Indicator Status for Modules

Status Description

Module status Off No power applied to device.

Green Device operating normally.

Flashing green Device needs commissioning due to missing, incomplete, or

Flashing red Recoverable fault.

Red Unrecoverable fault – may require device replacement.

Flashing red/green Device is in self-test mode.

incorrect configuration.

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Indicator Status for Modules

Status Description

Network status Off Device is not online:

Flashing green Device is online but has no connections in the established state.

Green Device is online and has connections in the established state.

Flashing red One or more I/O connections are in timed-out state.

Red Critical link failure – failed communication device. Device detected

Flashing red/green Communication faulted device – the device has detected a

Input status Off Input is inactive.

Yellow Input is active and under control.

Flashing yellow Input is toggling on and off.

Output status Off Output is inactive.

Yellow Output is active and under control.

Flashing yellow Output is toggling.

Flashing red Output is faulted (open, short or no output power).

Flashing red/yellow

– Device has not completed dup_MAC-id test. – Device is not powered – check module status indicator.

error that prevents it from communicating on the network.

network access error and is in communication faulted state. Device has received and accepted an Identity Communication Faulted Request – long protocol message.

Output is toggling and faulted (possibly open).

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Specifications

Input Specifications

Attribute Value

Number of inputs 1 – 1 group of A/A

Input voltage 1734-VHSC5 – 5V DC

Input current 1734-VHSC5

Input OFF-state current, max ≤ 0.250 mA

Input OFF-state voltage 1734-VHSC5 – ≤ 1.25V DC

Input ON-state current ≥ 5 mA

Input ON-state voltage 1734-VHSC5 – ≥ 2.6V DC

Maximum ON-state voltage 1734-VHSC5 – ± 6V

Input filter selections Off

Maximum input frequency 1.0 MHz counter and encoder X1 configurations

1734-VHSC24 – 24V DC

19.1 mA @ 5V DC

25.7 mA @ 6V DC

1734-VHSC24

6.1 mA @ 15V DC

10.2 mA @ 24V DC

1734-VHSC24 –≤ 1.8V DC

1734-VHSC24 – ≥ 12.5V DC

1734-VHSC24 – Refer to Input Derating Curve for 1734-VHSC24

10 μs 100 μs

1.0 ms

10.0 ms

500 kHz encoder X2 configuration (no filter) 250 kHz encoder X4 configuration (no filter)

, B/B

and Z/Z

ret

diagram

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Output Specifications

Attribute Value

Number of outputs 1 isolated group of 2 capable of 0.5 A @ 24V DC

Output control Outputs can be tied to any of 4 compare windows

Output supply voltage range 10…28.8V DC

OFF-state leakage current ≤ 0.5 mA

ON-state voltage drop ≤ 0.3V DC @ 0.5 A

ON-state current 0.5 A max, Pilot Duty

Short-circuit current 6 A – Outputs are short-circuit protected and either cycle until you correct

Open-wire detection Open wire is detected when output is turned off.

(1)

Delay time

(1)

OFF to ON ON to OFF

Off–on delay is time from a valid output “on” signal to output energization. On–off delay is time from a valid output “off” signal to output deenergization.

the fault or latch off (depending upon programming). Short circuit is detected when output turns on.

25 μs (load dependent) 150 μs (load dependent)

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

General Specifications

Attribute Value

Terminal base screw torque 0.6 Nm (7 lb-in.)

Module location 1734-TB, 1734-TBS wiring base assembly

POINTBus current, max 180 mA

Power dissipation, max @ rated load 1734-VHSC5 – 1.5 W

Thermal dissipation, max @ rated load 1734-VHSC5 – 5.1 BTU/hr

Isolated voltage 50V (continuous), Basic Insulation Type, Tested @ 1100V DC for

External DC power (does not represent power required to supply outputs)

Field power bus, nom 24V

Field power bus, range 10…28.8V DC

Dimensions (HxWxD), approx. 56.0 x 12.0 x 75.5 mm (2.21 x 0.47 x 2.97 in.)

Wiring category

Wire size 0.34…2.1 mm² (22…14 AWG) solid or stranded copper wire

Weight 0.03 kg (0.07 lb)

North American temp code T4A

IEC temperature code T4

Enclosure type rating None (open-style)

Keyswitch position 2

(1)

Use this Conductor Category information for p lanning conductor routing. Refer to Industrial Automation Wiring and Grounding Guidelines, publication 1770- 4.1

1734-VHSC24 – 1.9 W

1734-VHSC24 – 6.5 BTU/hr

60 s, field to system

No additional external power required to power module

1 – on signal ports

rated @ 75 ºC (167 ºF), or greater, 1.2 mm (3/64 in.) insulation max

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POINT I/O 5V DC and 24V DC Very High Speed Counter Module 25

Environmental Specifications

Attribute Value

Temperature, operating IEC 60068-2-1 (Test Ad, Operating Cold),

Temperature, surrounding air, max. 55 °C (131 °F)

Temperature, nonoperating IEC 60068-2-1 (Test Ab, Unpackaged Nonoperating Cold),

Relative humidity IEC 60068-2-30 (Test Db, Unpackaged Damp Heat):

Vibration IEC 60068-2-6 (Test Fc, Operating):

Shock, operating IEC60068-2-27 (Test Ea, Unpackaged Shock):

Shock, nonoperating IEC 60068-2-27 (Test Ea, Unpackaged Shock):

Emissions CISPR 11 (IEC 61000-6-4):

ESD immunity IEC6100-4-2:

Radiated RF immunity IEC 61000-4-3:

EFT/B immunity IEC 61000-4-4:

Surge transient immunity IEC 61000-4-5:

Conducted RF immunity IEC61000-4-6:

IEC 60068-2-2 (Test Bd, Operating Dry Heat), IEC 60068-2-14 (Test Nb, Operating Thermal Shock):

-20…55 °C (-4…131 °F)

IEC 60068-2-2 (Test Bb, Unpackaged Nonoperating Dry Heat), IEC 60068-2-14 (Test Na, Unpackaged Nonoperating Thermal Shock):

-40…85 °C (-40…185 °F)

5…95% noncondensing

5 g @ 10…500 Hz

30 g

50 g

Class A

6 kV contact discharges 8 kV air discharges

10 V/m with 1 KHz sine-wave 80% AM from 80…2000 MHz 10 V/m with 200 Hz 50% pulse 100% AM @ 900 MHz 10 V/m with 200 Hz 50% pulse 100% AM @ 1890 MHz 10 V/m with 1 kHz sine-wave 80% AM from 2000…2700 MHz

±3 kV @ 5 kHz on signal ports

±1 kV line-line (DM) and ±2 kV line-earth (CM) on signal ports ±2 kV line-earth (CM) on shielded ports

10 V rms with 1 kHz sine-wave 80% AM @ 150 kHz…80 MHz

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

Certifications

Certification (when product is marked)

c-UL-us UL Listed Industrial Control Equipment, certified for US and Canada. See

CE European Union 2004/108/EC EMC Directive, compliant with:

C-Tick Australian Radiocommunications Act, compliant with:

Ex European Union 94/9/EC ATEX Directive, compliant with:

KC Korean Registration of Broadcasting and Communications Equipment,

(1)

See the Product Certification link at http://www.rockwellautomation.com/products/certification/ for Declaration of Conformity, Certificates, and other certification details.

Valu e

(1)

UL File E65584.

UL Listed for Class I, Division 2 Group A,B,C,D Hazardous Locations,

certified for U.S. and Canada. See UL File E194810.

EN 61326-1; Meas./Control/Lab., Industrial Requirements EN 61000-6-2; Industrial Immunity EN 61000-6-4; Industrial Emissions EN 61131-2; Programmable Controllers (Clause 8, Zone A & B)

AS/NZS CISPR 11; Industrial Emissions

EN 60079-15; Potentially Explosive Atmospheres, Protection "n" EN 60079-0; General Requirements II 3 G Ex nA IIC T4 Gc DEMKO 04 ATEX 0330347X

compliant with: Article 58-2 of Radio Waves Act, Clause 3

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POINT I/O 5V DC and 24V DC Very High Speed Counter Module 27

IMPORTANT

Input Derating Curve for 1734-VHSC24

28.8

Input Voltage (V)

10 20

Module Ambient Still Air Temperature (°C)

Exceeding the maximum input voltage can cause permanent damage to the input.

30 40 45 50

Publication 1734-IN003F-EN-E - January 2014

Page 28

Rockwell Automation Support

Rockwell Automation provides technical information on the Web to assist you in using its products. At

http://www.rockwellautomation.com/support/

technical and application notes, sample code and links to software service packs, and a MySupport feature that you can customize to make the best use of these tools.

For an additional level of technical phone support for installation, configuration and troubleshooting, we offer TechConnect support programs. For more information, contact your local distributor or Rockwell Automation representative, or visit http://www.rockwellautomation.com/support/

, you can find technical manuals, a knowledge base of FAQs,

Installation Assistance

If you experience a problem within the first 24 hours of installation, please review the information that's contained in this manual. You can also contact a special Customer Support number for initial help in getting your product up and running.

United States or Canada 1.440.646.3434

Outside United States or Canada

Use the Worldwide Locator

http://www.rockwellautomation.com/support/americas/phone_en.html

contact your local Rockwell Automation representative.

, or

New Product Satisfaction Return

Rockwell Automation tests all of its products to ensure that they are fully operational when shipped from the manufacturing facility. However, if your product is not functioning and needs to be returned, follow these procedures.

United States Contact your distributor. You must provide a Customer Support case number

Outside United States Please contact your local Rockwell Automation representative for the return

(call the phone number above to obtain one) to your distributor to complete the return process.

procedure.

Documentation Feedback

Your comments will help us serve your documentation needs better. If you have any suggestions on how to improve this document, complete this form, publication RA-DU002

http://www.rockwellautomation.com/literature/

, available at

Allen-Bradley, Rockwell Automation, ArmorBlock, and TechConnect are trademarks of Rockwell Automation, Inc.

Trademarks not belonging to Rockwell Automation are property of their respective companies.

Publication 1734-IN003F-EN-E - January 2014