1771-VHSC - In Stock | Allen Bradley PLC PLC 5

1771-VHSC

Rated 4.5 with 14 reviews

DO Supply is NOT an authorized distributor for this manufacturer and therefore the manufacturer’s warranty does not apply. Product comes with DO Supply's 1-year warranty

Rockwell Disclaimer: The product is used surplus. DO Supply is not an authorized surplus dealer or affiliate for the Manufacturer of this product. The product may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because DO Supply is not an authorized distributor of this product, the Original Manufacturer’s warranty does not apply. While many Allen-Bradley PLC products will have firmware already installed, DO Supply makes no representation as to whether a PLC product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application. DO Supply also makes no representations as to your ability or right to download or otherwise obtain firmware for the product from Rockwell, its distributors, or any other source. DO Supply also makes no representations as to your right to install any such firmware on the product. DO Supply will not obtain or supply firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing firmware.

Rockwell Disclaimer: The product is used surplus. DO Supply is not an authorized surplus dealer or affiliate for the Manufacturer of this product. The product may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because DO Supply is not an authorized distributor of this product, the Original Manufacturer’s warranty does not apply. While many Allen-Bradley PLC products will have firmware already installed, DO Supply makes no representation as to whether a PLC product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application. DO Supply also makes no representations as to your ability or right to download or otherwise obtain firmware for the product from Rockwell, its distributors, or any other source. DO Supply also makes no representations as to your right to install any such firmware on the product. DO Supply will not obtain or supply firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing firmware.


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1771-VHSC

Revisions: Ser A Ser B 
Description: The Allen-Bradley 1771-VHSC is an Allen-Bradley Very High-speed counter module. This module is capable of performing high-speed counting for industrial applications, typically used for totalizing, counter and encoder integration applications. This module has 4 input channels configurable for encoder mode, counter mode, period/rate mode and continuous/rate mode and Eight (8) 5-24VDC current sourcing outputs.
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Description: The Allen-Bradley 1771-VHSC is an Allen-Bradley Very High-speed counter module. This module is capable of performing high-speed counting for industrial applications, typically used for totalizing, counter and encoder integration applications. This module has 4 input channels configurable for encoder mode, counter mode, period/rate mode and continuous/rate mode and Eight (8) 5-24VDC current sourcing outputs.

DO Supply is NOT an authorized distributor for this manufacturer and therefore the manufacturer’s warranty does not apply. Product comes with DO Supply's 1-year warranty

Rockwell Disclaimer: The product is used surplus. DO Supply is not an authorized surplus dealer or affiliate for the Manufacturer of this product. The product may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because DO Supply is not an authorized distributor of this product, the Original Manufacturer’s warranty does not apply. While many Allen-Bradley PLC products will have firmware already installed, DO Supply makes no representation as to whether a PLC product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application. DO Supply also makes no representations as to your ability or right to download or otherwise obtain firmware for the product from Rockwell, its distributors, or any other source. DO Supply also makes no representations as to your right to install any such firmware on the product. DO Supply will not obtain or supply firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing firmware.

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better business bureau
Revisions: Ser A Ser B 

Warranty: 1 year DO Supply Warranty Included
Shipping: Worldwide shipping via UPS, DHL, and TNT
Repairs: We offer repair service for the 1771-VHSC.
Exchange: Exchange credit for your defective unit available.
Conditions: We sell preowned surplus and refurbished parts.

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Rated 4.5 with 14 reviews

    Technical Specifications for 1771-VHSC

Outputs8 Digital Outputs
BrandAllen-Bradley
ManufacturerRockwell Automation
Dimensions4.5 x 12.4 x 6.3 in ches(115 x 317 x 160 millimeters)
Wiring Arm1771-WN
Part Number/Catalog No.1771-VHSC
Module TypeHigh-Speed Counter Module
Inputs12 Digital Inputs (3 Per Counter)
Max Input Frequency1 Megahertz (in counter mode)
Typical DC Signal Delay (Off)30 (+/- 7) milliseconds
Slots1 Slot
Module Update Period100 Microseconds
Backplane Current0.65 Amps
Wiring Arm1771-WN
I/O Connection Hardware1771-RTP1
Required External PowerNone
Typical AC Signal Delay (Off)29 (+/- 8) milliseconds
Outputs8 Digital Outputs
BrandAllen-Bradley
ManufacturerRockwell Automation
Dimensions4.5 x 12.4 x 6.3 in ches(115 x 317 x 160 millimeters)
Wiring Arm1771-WN
Part Number/Catalog No.1771-VHSC
Module TypeHigh-Speed Counter Module
Inputs12 Digital Inputs (3 Per Counter)
Max Input Frequency1 Megahertz (in counter mode)
Typical DC Signal Delay (Off)30 (+/- 7) milliseconds
Slots1 Slot
Module Update Period100 Microseconds
Backplane Current0.65 Amps
Wiring Arm1771-WN
I/O Connection Hardware1771-RTP1
Required External PowerNone
Typical AC Signal Delay (Off)29 (+/- 8) milliseconds
s

About 1771-VHSC

The 1771-VHSC is a high-speed counter module developed by Allen-Bradley/Rockwell Automation. The 1771-VHSC module has Eight (8) digital outputs isolated in Two (2) groups, Twelve (12) digital inputs (3 per counter) and a 100-microseconds module update period. The 1771-VHSC module comes with Four (4) input channels that may be configured in rate mode, encoder mode, counter mode, and the period/rate mode. It has a programmable count value of 0 to 999,999. This high-speed module is also delivered with 2 input types (differential and single-ended inputs), compatible for use with a 2-phase encoder mode (X1 and X4) with selectable input frequencies of 250 KHz and 500 KHz in the rate/period or rate/measurement mode. Maximum supported frequency is 1 MHz in the single-channel counter mode selected by the electromechanical switch. In addition, this I/O module also provides block transfer programming capabilities that perform interface signals and high-speed counting with any PLC. Besides, the 1771-VHSC PLC 5 module counts pulses from encoders such as Allen-Bradley Bulletin 845H, P, L, E, P and K, pulse generators and mechanical limit switches or proximity switches and it returns either a count or frequency rating in a binary or BCD format.

Moreover, the 1771-VHSC module also offers electrical supplemental specifications, including the input voltage ratings which are 5 Volts DC or 12 to 24 Volts DC (user-selectable). The input current ratings are typically 7 mA at 5 Volts DC and 7.0 to 15.0 mA at 12 to 24 Volts DC and the required minimum input current is 4 mA. On the other hand, the output off-state leakage current is 10 µA at 24 Volts DC maximum while the on-state voltage drop is 0.05 Ohms x the maximum current. The backplane current ratings of the module are 650 mA and the isolation voltage between the I/O and backplane is 1500 Volts, respectively. Furthermore, the power dissipation is 13 Watts maximum and 2 Watts minimum. The thermal dissipation of this device is 54.2 BTU per hour maximum and 6.8 BTU per hour minimum. Lastly, the module operates at a 32 to 140 degrees Fahrenheit operating temperature range. The storage temperature range at which the module can be stored is -40 to 185 degrees Fahrenheit with 5 to 95% relative humidity without condensation.

This module occupies a single slot of the 1771 Chassis and energized via supplied power in the backplane. This module requires a backplane current of 650 mA. This module support switching frequencies of 100Hz for contact bounce; user-selectable electromechanical switch; 250kHz in encoder modes in 2-channel quadrature; 500kHz in period/rate, rate/measurement and continuous/rate modes 1MHz in single channel counter modes.

Four counting applications, this module may be integrated with high-speed sensors that is used to measure specific counts of a product or item. In motion control applications, this module supports integration of encoders attached to motors or servo motors for monitoring position and implementing control. It may also be used for totalizer applications wherein pulse generating instruments or metering device such as flowmeters may be wired to the module’s inputs to allow the program process and provide the equivalent totalized flow of the product.

This module supports Block Transfer Read (BTR) and Block Transfer Write (BTW) instruction for transferring of module to an from the processor. The module’s keying requirement is between 24 and 26 or 28 and 30. It uses a field wiring arm with catalog number 1771-WN. When wiring signals to the module, recommended conductors are Belden 9182 or equivalent with Category 2 and maximum length of 250 feet or 76.2m.

FAQ for 1771-VHSC

What are the supported frequencies of this very high-speed counter module?


upported frequencies depend on the module’s mode. Supported frequencies are 100Hz for contact bounce; user-selectable electromechanical switch; 250kHz in encoder modes in 2-channel quadrature; 500kHz in period/rate, rate/measurement and continuous/rate modes 1MHz in single channel counter modes

What is the backplane current requirement by this module?


The module’s backplane current requirement is 650mA.

What is the maximum count value of this module?


The module’s maximum count is 0-999,999 that is programmable.

Technical Description of 1771-VHSC

Allen Bradley PLC 5 High-Speed Counter Module, 12 Digital Inputs (3 Per Counter), 8 Digital Outputs, 100 Microseconds Module Update Period, 0.65 Amperes Backplane Current

Repair Services for 1771-VHSC

Type Lead Time Price Action
Repair Service 2-4 weeks $93cartAdd to Cart

Our highly skilled technicians can repair your 1771-VHSC. All of our repairs come with a 1 Year DO Supply Warranty. Please contact us for additional information about our repair process.

Revisions for 1771-VHSC

Please refer to the manual for more information about the 1771-VHSC such as the wiring diagrams, data sheets and migration or obsolescence details.

Revision Part # Also Known as Availability
1771-VHSC Ser A
1771-VHSC/A, Series A, Rev A Request Quote
1771-VHSC Ser B
1771-VHSC/B, Series B, Rev B Request Quote
Common misspellings:
  • l771-VHSC
  • 177l-VHSC
  • 1771VHSC

Reviews for 1771-VHSC

Product Review

"The 1771-VHSC is a Very High-Speed counter module. This module functions similarly to a counter module except that the 1771-VHSC supports faster switching frequencies, enabling it to be used in applications with high-frequency inputs. " -DO Supply Tech

Dimensions For 1771-VHSC

Size
Input Type
Panel Cutout Height in mm
Panel Cutout Width in mm
Terminal Height in mm
Terminal Width in mm
Terminal Overall Depth in mm
Terminal Mounted Depth in mm

Dimensions For 1771-VHSC

Resolutions For 1771-VHSC

About

Technical Specifications for 1771-VHSC

Outputs8 Digital Outputs
BrandAllen-Bradley
ManufacturerRockwell Automation
Dimensions4.5 x 12.4 x 6.3 in ches(115 x 317 x 160 millimeters)
Wiring Arm1771-WN
Part Number/Catalog No.1771-VHSC
Module TypeHigh-Speed Counter Module
Inputs12 Digital Inputs (3 Per Counter)
Max Input Frequency1 Megahertz (in counter mode)
Typical DC Signal Delay (Off)30 (+/- 7) milliseconds
Slots1 Slot
Module Update Period100 Microseconds
Backplane Current0.65 Amps
Wiring Arm1771-WN
I/O Connection Hardware1771-RTP1
Required External PowerNone
Typical AC Signal Delay (Off)29 (+/- 8) milliseconds
Outputs8 Digital Outputs
BrandAllen-Bradley
ManufacturerRockwell Automation
Dimensions4.5 x 12.4 x 6.3 in ches(115 x 317 x 160 millimeters)
Wiring Arm1771-WN
Part Number/Catalog No.1771-VHSC
Module TypeHigh-Speed Counter Module
Inputs12 Digital Inputs (3 Per Counter)
Max Input Frequency1 Megahertz (in counter mode)
Typical DC Signal Delay (Off)30 (+/- 7) milliseconds
Slots1 Slot
Module Update Period100 Microseconds
Backplane Current0.65 Amps
Wiring Arm1771-WN
I/O Connection Hardware1771-RTP1
Required External PowerNone
Typical AC Signal Delay (Off)29 (+/- 8) milliseconds

About 1771-VHSC

The 1771-VHSC is a high-speed counter module developed by Allen-Bradley/Rockwell Automation. The 1771-VHSC module has Eight (8) digital outputs isolated in Two (2) groups, Twelve (12) digital inputs (3 per counter) and a 100-microseconds module update period. The 1771-VHSC module comes with Four (4) input channels that may be configured in rate mode, encoder mode, counter mode, and the period/rate mode. It has a programmable count value of 0 to 999,999. This high-speed module is also delivered with 2 input types (differential and single-ended inputs), compatible for use with a 2-phase encoder mode (X1 and X4) with selectable input frequencies of 250 KHz and 500 KHz in the rate/period or rate/measurement mode. Maximum supported frequency is 1 MHz in the single-channel counter mode selected by the electromechanical switch. In addition, this I/O module also provides block transfer programming capabilities that perform interface signals and high-speed counting with any PLC. Besides, the 1771-VHSC PLC 5 module counts pulses from encoders such as Allen-Bradley Bulletin 845H, P, L, E, P and K, pulse generators and mechanical limit switches or proximity switches and it returns either a count or frequency rating in a binary or BCD format.

Moreover, the 1771-VHSC module also offers electrical supplemental specifications, including the input voltage ratings which are 5 Volts DC or 12 to 24 Volts DC (user-selectable). The input current ratings are typically 7 mA at 5 Volts DC and 7.0 to 15.0 mA at 12 to 24 Volts DC and the required minimum input current is 4 mA. On the other hand, the output off-state leakage current is 10 µA at 24 Volts DC maximum while the on-state voltage drop is 0.05 Ohms x the maximum current. The backplane current ratings of the module are 650 mA and the isolation voltage between the I/O and backplane is 1500 Volts, respectively. Furthermore, the power dissipation is 13 Watts maximum and 2 Watts minimum. The thermal dissipation of this device is 54.2 BTU per hour maximum and 6.8 BTU per hour minimum. Lastly, the module operates at a 32 to 140 degrees Fahrenheit operating temperature range. The storage temperature range at which the module can be stored is -40 to 185 degrees Fahrenheit with 5 to 95% relative humidity without condensation.

This module occupies a single slot of the 1771 Chassis and energized via supplied power in the backplane. This module requires a backplane current of 650 mA. This module support switching frequencies of 100Hz for contact bounce; user-selectable electromechanical switch; 250kHz in encoder modes in 2-channel quadrature; 500kHz in period/rate, rate/measurement and continuous/rate modes 1MHz in single channel counter modes.

Four counting applications, this module may be integrated with high-speed sensors that is used to measure specific counts of a product or item. In motion control applications, this module supports integration of encoders attached to motors or servo motors for monitoring position and implementing control. It may also be used for totalizer applications wherein pulse generating instruments or metering device such as flowmeters may be wired to the module’s inputs to allow the program process and provide the equivalent totalized flow of the product.

This module supports Block Transfer Read (BTR) and Block Transfer Write (BTW) instruction for transferring of module to an from the processor. The module’s keying requirement is between 24 and 26 or 28 and 30. It uses a field wiring arm with catalog number 1771-WN. When wiring signals to the module, recommended conductors are Belden 9182 or equivalent with Category 2 and maximum length of 250 feet or 76.2m.

FAQ for 1771-VHSC

What are the supported frequencies of this very high-speed counter module?


upported frequencies depend on the module’s mode. Supported frequencies are 100Hz for contact bounce; user-selectable electromechanical switch; 250kHz in encoder modes in 2-channel quadrature; 500kHz in period/rate, rate/measurement and continuous/rate modes 1MHz in single channel counter modes

What is the backplane current requirement by this module?


The module’s backplane current requirement is 650mA.

What is the maximum count value of this module?


The module’s maximum count is 0-999,999 that is programmable.

Technical Description of 1771-VHSC

Allen Bradley PLC 5 High-Speed Counter Module, 12 Digital Inputs (3 Per Counter), 8 Digital Outputs, 100 Microseconds Module Update Period, 0.65 Amperes Backplane Current
Repairs
Type Lead Time Price Action
Repair Service 2-4 weeks $93cartAdd to Cart

Our highly skilled technicians can repair your 1771-VHSC. All of our repairs come with a 1 Year DO Supply Warranty. Please contact us for additional information about our repair process.

Type Lead Time Price Action
Repair Service 2-4 weeks $93cartAdd to Cart

Our highly skilled technicians can repair your 1771-VHSC. All of our repairs come with a 1 Year DO Supply Warranty. Please contact us for additional information about our repair process.

Revisions

Please refer to the manual for more information about the 1771-VHSC such as the wiring diagrams, data sheets and migration or obsolescence details.

Revision Part # Also Known as Availability
1771-VHSC Ser A
1771-VHSC/A, Series A, Rev A Request Quote
1771-VHSC Ser B
1771-VHSC/B, Series B, Rev B Request Quote

Common misspellings:
  • l771-VHSC
  • 177l-VHSC
  • 1771VHSC
PDF
Reviews

Reviews for 1771-VHSC

Product Review

"The 1771-VHSC is a Very High-Speed counter module. This module functions similarly to a counter module except that the 1771-VHSC supports faster switching frequencies, enabling it to be used in applications with high-frequency inputs. " -DO Supply Tech