Allen-Bradley 1734-VHSC5 Installation Instructions Manual
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Allen-Bradley 1734-VHSC5 Installation Instructions Manual

Allen-Bradley 1734-VHSC5 Installation Instructions Manual

Point i/o 5v dc and 24v dc very high speed counter module
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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.

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Summary of Contents for Allen-Bradley 1734-VHSC5

  • Page 1: Table Of Contents

    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.

  • Page 2: Important User Information

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

  • Page 3: Environment And Enclosure

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

  • Page 4: North American Hazardous Location Approval

    4 POINT I/O 5V DC and 24V DC Very High Speed Counter Module North American Hazardous Location Approval The following information applies when Informations sur l'utilisation de cet équipement operating this equipment in hazardous en environnements dangereux: locations: Products marked "CL I, DIV 2, GP A, B, C, D" are suitable Les produits marqués "CL I, DIV 2, GP A, B, C, D"...

  • Page 5: European Hazardous Location Approval

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

  • Page 7: Additional Resources

    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: •...
  • Page 8 8 POINT I/O 5V DC and 24V DC Very High Speed Counter Module POINT I/O VHSC Module with 1734-TB or 1734-TBS Base 41825 Description Description Module locking mechanism Slide-in writable label Module wiring diagram Insertable I/O module DIN rail locking screw (orange) Removable terminal block (RTB) handle Mechanical keying (orange) Removable terminal block with screw...

  • Page 9: Install The Mounting Base

    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 (Allen-Bradley® part number 199-DR1; 46277-3; EN50022), proceed as follows. ATTENTION: This product is grounded through the DIN rail to chassis ground.

  • Page 10: Install The Module

    10 POINT I/O 5V DC and 24V DC Very High Speed Counter Module Slide the mounting base down allowing the interlocking side pieces to engage the adjacent module or adapter. Press firmly to seat the mounting base on the DIN rail. The mounting base snaps into place.
  • Page 11 POINT I/O 5V DC and 24V DC Very High Speed Counter Module 1734-TB Base Turn the keyswitch to align the number with the notch. Notch position 3 is shown. Be sure the DIN-rail locking screw is in the horizontal position. 45696 Insert the module straight down into the mounting base and press to secure.

  • Page 12: Install The Removable Terminal Block

    12 POINT I/O 5V DC and 24V DC Very High Speed Counter Module 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.
  • Page 13 POINT I/O 5V DC and 24V DC Very High Speed Counter Module WARNING: For 1734-RTBS and 1734-RTB3S, to latch and unlatch the wire, insert a bladed screwdriver (catalog number 1492-N90 – 3 mm diameter blade) into the opening at approximately 73° (blade surface is parallel with top surface of the opening) and push up gently.

  • Page 14: Remove A Mounting Base

    14 POINT I/O 5V DC and 24V DC Very High Speed Counter Module 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. WARNING: When you insert or remove the module while backplane power is on, an electrical arc can occur.

  • Page 15: Wire The Module

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

  • Page 16: Communicate With The Module

    16 POINT I/O 5V DC and 24V DC Very High Speed Counter Module Communicate with the Module POINT I/O modules send (consume) and receive (produce) I/O data (messages). You map these data onto the processor’s memory. These modules produce 6 or 10 Bytes of input data (scanner Rx) and fault status data. These modules consume 2 or 4 bytes of I/O data (scanner Tx).
  • Page 17 POINT I/O 5V DC and 24V DC Very High Speed Counter Module Message size: 2 or 4 Bytes 08...15 Consumes (scanner Tx) Where: VR = Value reset of stored/accumulated count CP = Counter preset CR = Counter reset DS = Diagnostic speed ES = Electronic fuse select OE = Output enable FO = Force output...
  • Page 18 18 POINT I/O 5V DC and 24V DC Very High Speed Counter Module Counter Configuration Counter 0 Counter Encoder X1 Encoder X2 Encoder X4 Period/Rate Continuous/Rate Rate measurement Pulse generator Store count disabled Mode 1 – store/continue Mode 2 – store/wait/resume Mode 3 –...
  • Page 19 POINT I/O 5V DC and 24V DC Very High Speed Counter Module Filter Selection No filter 50 kHz (10 μs + 0 μs/-1.6 μs) 5 kHz (100 μs + 0 μs/-13.2 μs) 500 Hz (1.0 ms + 0 ms/-125 μs) 50 Hz (10 ms + 0 ms/-1.25 ms) A input not filtered A input filtered...
  • Page 20 20 POINT I/O 5V DC and 24V DC Very High Speed Counter Module Assemblies Instances Services Field Bytes (Dec/Hex) #101 (0x65) Present channel data Status #102 (0x66) Stored channel data Status #103 (0x67) Present channel data Stored channel data Status #104 (0x68) Programming error code #105 (0x69)
  • Page 21 POINT I/O 5V DC and 24V DC Very High Speed Counter Module Assemblies Instances Services Field Bytes (Dec/Hex) OFF value #3 ON value #4 OFF value #4 PWM safe state value Counter control SSV Output control SSV #123 (0x7b) Set/Get Counter configuration Filter selection Decimal position...

  • Page 22: Interpret Status Indicators

    22 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 VHSC Module Module status Network status Status of input A Status of input B Status of input Z...
  • Page 23 POINT I/O 5V DC and 24V DC Very High Speed Counter Module Indicator Status for Modules Status Description Input status Input is inactive. Flashing yellow Input is toggling on and off. Yellow Input is active and under control. Output status Output is inactive.

  • Page 24: Specifications

    1734-VHSC24, 1734-VHSC24K 6.1 mA @ 15V DC 10.2 mA @ 24V DC ≤ 0.250 mA Input OFF-state current, max ≤ 1.25V DC – 1734-VHSC5 Input OFF-state voltage ≤ 1.8V DC – 1734-VHSC24, 1734-VHSC24K ≥ 5 mA Input ON-state current ≥ 2.6V DC – 1734-VHSC5 Input ON-state voltage ≥...
  • Page 25 POINT I/O 5V DC and 24V DC Very High Speed Counter Module 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 ≤...
  • Page 26 1.5 W – 1734-VHSC5 @ rated load 1.9 W – 1734-VHSC24, 1734-VHSC24K Thermal dissipation, max 5.1 BTU/hr – 1734-VHSC5 – @ rated load 6.5 BTU/hr – 1734-VHSC24, 1734-VHSC24K Isolated voltage 50V (continuous), Basic Insulation Type, Tested @ 1100V DC for 60 s,...
  • Page 27 POINT I/O 5V DC and 24V DC Very High Speed Counter Module Environmental Specifications Attribute Value Temperature, operating IEC 60068-2-1 (Test Ad, Operating Cold), IEC 60068-2-2 (Test Bd, Operating Dry Heat), IEC 60068-2-14 (Test Nb, Operating Thermal Shock): -20…55 °C (-4…131 °F) Temperature, surrounding air, 55 °C (131 °F) max.
  • Page 28 28 POINT I/O 5V DC and 24V DC Very High Speed Counter Module Certifications Certification (when Value product is marked) c-UL-us UL Listed Industrial Control Equipment, certified for US and Canada. See UL File E65584. UL Listed for Class I, Division 2 Group A,B,C,D Hazardous Locations, certified for U.S.
  • Page 29 POINT I/O 5V DC and 24V DC Very High Speed Counter Module Input Derating Curve for 1734-VHSC24 and 1734-VHSC24K 28.8 Input Voltage 40 45 50 Module Ambient Still Air Temperature (°C) Exceeding the maximum input voltage can cause permanent damage to IMPORTANT the input.
  • Page 30 Rockwell Automation maintains current product environmental information on its website at http://www.rockwellautomation.com/rockwellautomation/about-us/sustainability-ethics/product-environmental-compliance.page. Allen-Bradley, POINT I/O, Rockwell Automation, Rockwell Software, RSLogix 5000, and TechConnect are trademarks of Rockwell Automation, Inc. ControlNet, DeviceNet, and EtherNet/IP are trademarks of ODVA, Inc. Trademarks not belonging to Rockwell Automation are property of their respective companies.

This manual is also suitable for:

1734-vhsc24k1734-vhsc24C series

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