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, Series C Table of Contents Topic Page Important User Information Environment and Enclosure Preventing Electrostatic Discharge North American Hazardous Location Approval European Hazardous Location Approval...
Page 2: Important User Information
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.
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 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
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.
Page 6: Additional Resources
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 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.
Page 7 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: •...
Page 8: Install The Mounting Base
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.
Page 9 POINT I/O 5V DC and 24V DC Very High Speed Counter Module 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).
Page 10: Install The Removable Terminal Block
10 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 11: Remove A Mounting Base
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. 1.
Page 12: Wire The Module
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 Chassis Chassis Input A...
Page 13: Communicate With Your Module
POINT I/O 5V DC and 24V DC Very High Speed Counter Module Module 1 Module 2 Module 1 Module 2 Terminations Terminations Chas Chas Chassis ground Chassis ground RET 0 RET 1 Out 0 RET Out 1 RET Out 1 Out 0 Out 0 Out 1...
Page 14 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 Channel 0 value of present counter state (LSW) (scanner Rx) Channel 0 value of present counter state (MSW) NR 0...
Page 15 POINT I/O 5V DC and 24V DC Very High Speed Counter Module Module Configuration Parameter Set/Get Description Bytes Set/Get Counter configuration Set/Get Filter selection Set/Get Decimal position Set/Get Active output assembly Set/Get Time base value Set/Get Gate interval Set/Get Channel scalar Set/Get Output 0 ties Set/Get...
Page 16 16 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 17 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 18 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) Present channel data Status...
Page 19 POINT I/O 5V DC and 24V DC Very High Speed Counter Module Assemblies Instances Services Field Bytes (Dec/Hex) OFF value #2 ON value #3 OFF value #3 ON value #4 OFF value #4 PWM safe state value Counter control SSV Output control SSV #123 (0x7b) Set/Get...
Page 20: Interpret Status Indicators
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...
Page 21 POINT I/O 5V DC and 24V DC Very High Speed Counter Module Indicator Status for Modules Status Description Network status Off Device is not online: – Device has not completed dup_MAC-id test. – Device is not powered – check module status indicator. Flashing green Device is online but has no connections in the established state.
Page 22: Specifications
1734-VHSC24 6.1 mA @ 15V DC 10.2 mA @ 24V DC ≤ 0.250 mA Input OFF-state current, max 1734-VHSC5 – ≤ 1.25V DC Input OFF-state voltage 1734-VHSC24 –≤ 1.8V DC ≥ 5 mA Input ON-state current 1734-VHSC5 – ≥ 2.6V DC Input ON-state voltage 1734-VHSC24 –...
Page 23 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 24 Power dissipation, max @ rated load 1734-VHSC5 – 1.5 W 1734-VHSC24 – 1.9 W Thermal dissipation, max @ rated load 1734-VHSC5 – 5.1 BTU/hr 1734-VHSC24 – 6.5 BTU/hr Isolated voltage 50V (continuous), Basic Insulation Type, Tested @ 1100V DC for...
Page 25 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, max.
Page 26 26 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 27 POINT I/O 5V DC and 24V DC Very High Speed Counter Module Input Derating Curve for 1734-VHSC24 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 28 Rockwell Automation representative. 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.

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