1771-VHSC | Allen-Bradley PLC-5 Very High Speed Counter Module
1771-VHSC | Allen-Bradley PLC-5 Very High Speed Counter Module
Part #: 1771-VHSC Manufactured by: Allen-Bradley

1771-VHSC | Allen-Bradley PLC-5 Very High Speed Counter Module

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$1,409.00
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$1,409.00
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Never Used Surplus
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Product Overview
Allen Bradley PLC 5 High-Speed Counter Module, 12 Digital Inputs (3 Per Counter), 8 Digital Outputs, 100 Microseconds Modu...  Read more
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Warranty for item #: 1771-VHSC
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1771-VHSC | Allen-Bradley PLC-5 Very High Speed Counter Module
    1771-VHSC | Allen-Bradley PLC-5 Very High Speed Counter Module
1771-VHSC | Allen-Bradley PLC-5 Very High Speed Counter Module
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Product Description P/N: 1771-VHSC

Description / Specifications

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.


Technical Specifications 


Brand Allen-Bradley
Manufacturer Rockwell Automation
Part Number 1771-VHSC
Outputs 8 Digital Outputs
Dimensions 4.5 x 12.4 x 6.3 in ches(115 x 317 x 160 millimeters)
Wiring Arm 1771-WN
Module Type High-Speed Counter Module
Inputs 12 Digital Inputs (3 Per Counter)
Max Input Frequency 1 Megahertz (in counter mode)
Typical DC Signal Delay (Off) 30 (+/- 7) milliseconds
Slots 1 Slot
Module Update Period 100 Microseconds
Backplane Current 0.65 Amps
I/O Connection Hardware 1771-RTP1
Required External Power None
Typical AC Signal Delay (Off) 29 (+/- 8) milliseconds

  


Information 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 supports 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 are 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 devices 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 modules to and 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.





Manufacturer information

Allen‑Bradley components, integrated control and information solutions are built for demanding industrial applications. We integrate control and information across the enterprise to make you as productive as possible.

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IQElectro 2 Year Warranty

IQElectro offers a 2-Year Warranty on all our products. This complimentary two-year warranty ensures that every purchase from IQElectro is a secure investment in the future of your company.
Warranty Terms and Conditions
warningIQElectro is not an authorized distributor.
IQElectro LLC (IQElectro) is NOT an Authorized Distributor or in any way affiliated with Rockwell Automation, Siemens, or any other Manufacturers. IQElectro is NOT an Authorized Dealer of this product. The product may be of older version, date codes, or design than that available from authorized dealers. As IQElectro is not an authorized dealer of this product, the Original Manufacturer's Warranty and Support DO NOT apply. IQElectro sells SURPLUS only and DOES NOT SELL SOFTWARE or FIRMWARE licenses. Some hardware products may contain software and firmware and may not be legally operated without first obtaining an appropriate license from the manufacturer. IQElectro makes no representation as to whether a product will or will not have software or firmware and, if it does, whether the software or firmware is the revision level that you need for your application. IQElectro also makes no representations as to your ability or right to download or otherwise obtain software or firmware for the product from the Original Manufacturer, its distributors, or any other source. IQElectro also makes no representations as to your right to install any such software or firmware on the product. IQElectro will not obtain or supply software or 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 software or firmware. Customer acknowledges and agrees that IQElectro DOES NOT provide any software, firmware, operating system, or right-to-use licenses with the products it sells. Customers understand and agree that proper software (firmware) licensing, maintenance, and upgrades are subject to the applicable manufacturer's Licensing Agreement or similar document. Disclaimer Policy.
Description / Specifications

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.


Technical Specifications 


Brand Allen-Bradley
Manufacturer Rockwell Automation
Part Number 1771-VHSC
Outputs 8 Digital Outputs
Dimensions 4.5 x 12.4 x 6.3 in ches(115 x 317 x 160 millimeters)
Wiring Arm 1771-WN
Module Type High-Speed Counter Module
Inputs 12 Digital Inputs (3 Per Counter)
Max Input Frequency 1 Megahertz (in counter mode)
Typical DC Signal Delay (Off) 30 (+/- 7) milliseconds
Slots 1 Slot
Module Update Period 100 Microseconds
Backplane Current 0.65 Amps
I/O Connection Hardware 1771-RTP1
Required External Power None
Typical AC Signal Delay (Off) 29 (+/- 8) milliseconds

  


Information 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 supports 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 are 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 devices 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 modules to and 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.





Manufacturer information

Allen‑Bradley components, integrated control and information solutions are built for demanding industrial applications. We integrate control and information across the enterprise to make you as productive as possible.

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