1769-HSC | Allen-Bradley CompactLogix 2/4-Ch High Speed Counter/Encoder
1769-HSC | Allen-Bradley CompactLogix 2/4-Ch High Speed Counter/Encoder
1769-HSC | Allen-Bradley CompactLogix 2/4-Ch High Speed Counter/Encoder
    1769-HSC | Allen-Bradley CompactLogix 2/4-Ch High Speed Counter/Encoder
1769-HSC | Allen-Bradley CompactLogix 2/4-Ch High Speed Counter/Encoder

1769-HSC | Allen-Bradley CompactLogix 2/4-Ch High Speed Counter/Encoder

Part #: 1769-HSC Manufactured by: Allen-Bradley
Regular price
$415.00
Sale price
$415.00
Regular price
2 in Stock
Condition: New-Surplus Original Box
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Product Overview
The Allen-Bradley 1769-HSC is a high-speed counter module with two differential inputs and 16 outputs, combining high-freq...  Read more
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Product Description P/N: 1769-HSC

Description / Specifications

Description 

The Allen-Bradley 1769-HSC is a Compact I/O high-speed counter module designed for CompactLogix and MicroLogix 1500 controllers. It provides two quadrature differential inputs with a maximum frequency of 1 MHz and offers four physical plus twelve virtual outputs for motion and position control.

 

 

Technical Specifications 

Brand Allen-Bradley
Series A and B
Part Number 1769-HSC
Wire size 0.32… 2.1 mm2 (22…14 AWG) solid copper wire or 0.32…1.3 mm2 (22…16 AWG) stranded copper wire rated at 90 °C (194 °F ) insulation max
Bus Current Draw @ 5.14Vdc 425 mA
Dimension 118 x 35 x 87 mm (4.65 x 1.38 x 3.43 in.) Height including mounting tabs is 138 mm (5.43 in.)
On-State Current 1 A per point; 4 A per module
No. of Outputs 16 total, 4 physical and 12 virtual
No. of Inputs 2 quadrature (ABZ) differential inputs
Product Type Counter Module
Bus Current Draw @ 24Vdc 0 mA
Power Supply Distance Rating Module cannot be more than four modules away from a system power supply
Isolation Voltage 75V (continuous), reinforced insulation type, channel-to- system and channel-to-channel Type tested at 1200V AC for 2 s
Recommended Cable Individually shielded, twisted-pair cable (or the type recommended by the encoder or sensor manufacturer
Manufacturer Rockwell Automation
Operating Temperature 0-60 Degree Celsius
Product Line CompactLogix
Module Type High Speed Counter Module
Shipping Dimensions 8 x 8 x 5 inches
Enclosure Type Open
Maximum Bus Current Draw 5 mA at 5 Volts DC
Backplane Current 1.4 Amps at 24 Volts
Power Consumption 33.6 Watts
Power Dissipation 7.5 Watts

  

 

Information About 1769-HSC

The 1769-HSC is part of the Allen-Bradley Compact I/O family and is engineered to interface directly with encoders, transmitters, and fast-switching sensing devices. Its two quadrature (ABZ) differential inputs support input voltages from 2.6 to 30V DC and process signals with a minimum pulse width of 250 ns, allowing precise high-speed counting and totalizing. The module supports both counter and encoder functions, making it suitable for applications such as speed monitoring, position tracking, and motion control. It provides four sourcing outputs rated at 5–30V DC and up to 1A per channel (4A per module) along with twelve virtual outputs for extended control logic. With reinforced isolation voltage of 75V continuous and tested up to 1200V AC for 2 seconds, the module ensures safe and reliable operation. It requires placement within four slots of the system power supply and consumes 425 mA at 5.1V DC with a heat dissipation of 7.5 W.

Key Features:

  • Input Channels: Two quadrature (ABZ) differential inputs for high-speed counting and encoder applications.
  • Input Frequency: Supports up to 1 MHz input signals with 250 ns minimum pulse width and 131 ns pulse separation.
  • Output Capacity: Provides 16 outputs total, including 4 physical sourcing outputs (5–30V DC, 1A each) and 12 virtual outputs.
  • Current Handling: Rated for 1A per output point and 4A maximum per module, suitable for direct high-speed control.
  • Electrical Ratings: Operates with an input range of 2.6–30V DC and an output range of 5–30V DC.
  • Isolation: 75V continuous reinforced insulation, type-tested at 1200V AC for 2 seconds.
  • Power Requirements: Draws 425 mA at 5.1V DC, with 7.5 W power dissipation and strict placement within four modules of the power supply.
  • Construction: Compact open-style module with panel or DIN rail mounting, designed for integration with CompactLogix and MicroLogix 1500 systems.

The 1769-HSC delivers the precision and speed required for demanding counter, totalizer, and motion control applications in industrial automation.


 

Manufacturer information

Allen-Bradley, a brand of Rockwell Automation, specializes in manufacturing industrial automation equipment. The product range includes programmable logic controllers (PLCs), motion control systems, safety devices, motor control equipment, automation software, and HMI panels. Allen-Bradley products are known for their reliability and integration with other systems.

Frequently Asked Questions about 1769-HSC
Question: What is the 1769-HSC module?
Date Update:02/06/2025
Answer:

The 1769-HSC is a high-speed counter (HSC) module designed for use with Allen-Bradley’s CompactLogix and MicroLogix 1500 systems. It’s used to monitor high-speed pulse signals from encoders, sensors, or other pulse-generating devices—often in applications like position tracking, speed measurement, and length control.

Question: What are equivalent or alternative modules to the 1769-HSC?
Date Update:02/06/2025
Answer:

If you’re upgrading or replacing:

  • In CompactLogix 5380 and 5370 systems, consider using the 5069-HSC module (newer family).
  • For ControlLogix, equivalent functionality may be in the 1756-HSC module.
  • If using Micro800 controllers, consider the 2080-HSC plug-in modules.

The choice depends on your system and compatibility.

Question: How do I wire the 1769-HSC module?
Date Update:02/06/2025
Answer:
  • Inputs: Wire encoder or pulse generator signals to the A, B, and Z channels (differential or single-ended). Use shielded twisted-pair cable to minimize noise.
  • Outputs: Connect output devices to the designated output terminals (OUT0, OUT1).
  • Power: The module receives power via the CompactLogix or MicroLogix 1500 backplane.
  • Grounding: Proper grounding and shielding are crucial for reliable high-speed performance.

Note: A detailed wiring diagram is available in the module’s user manual.

Question: Where can I find the manual for the 1769-HSC module?
Date Update:02/06/2025
Answer:

The manual can be downloaded from the Rockwell Automation Literature Library. The key document is the 1769-HSC High-Speed Counter Module User Manual (publication 1769-UM006).

Question: How do I program the 1769-HSC module?
Date Update:02/06/2025
Answer:

Programming is done in RSLogix 5000 (for CompactLogix) or RSLogix 500 (for MicroLogix 1500). Key steps include:

  • Adding the module: In RSLogix, add the 1769-HSC to the I/O configuration.
  • Configuring counter modes: Use the module’s configuration tags to set up the desired counting mode (e.g., up/down, quadrature).
  • Using input/output data: The module provides input and output data tags you can use in your ladder logic or structured text programs.
  • Control bits: The module has control bits (e.g., enable, preset, reset) to control counting and output behavior.
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QElectro 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 For more detailed information, please refer to the full version of our disclaimer policy Disclaimer Policy.
Description / Specifications

Description 

The Allen-Bradley 1769-HSC is a Compact I/O high-speed counter module designed for CompactLogix and MicroLogix 1500 controllers. It provides two quadrature differential inputs with a maximum frequency of 1 MHz and offers four physical plus twelve virtual outputs for motion and position control.

 

 

Technical Specifications 

Brand Allen-Bradley
Series A and B
Part Number 1769-HSC
Wire size 0.32… 2.1 mm2 (22…14 AWG) solid copper wire or 0.32…1.3 mm2 (22…16 AWG) stranded copper wire rated at 90 °C (194 °F ) insulation max
Bus Current Draw @ 5.14Vdc 425 mA
Dimension 118 x 35 x 87 mm (4.65 x 1.38 x 3.43 in.) Height including mounting tabs is 138 mm (5.43 in.)
On-State Current 1 A per point; 4 A per module
No. of Outputs 16 total, 4 physical and 12 virtual
No. of Inputs 2 quadrature (ABZ) differential inputs
Product Type Counter Module
Bus Current Draw @ 24Vdc 0 mA
Power Supply Distance Rating Module cannot be more than four modules away from a system power supply
Isolation Voltage 75V (continuous), reinforced insulation type, channel-to- system and channel-to-channel Type tested at 1200V AC for 2 s
Recommended Cable Individually shielded, twisted-pair cable (or the type recommended by the encoder or sensor manufacturer
Manufacturer Rockwell Automation
Operating Temperature 0-60 Degree Celsius
Product Line CompactLogix
Module Type High Speed Counter Module
Shipping Dimensions 8 x 8 x 5 inches
Enclosure Type Open
Maximum Bus Current Draw 5 mA at 5 Volts DC
Backplane Current 1.4 Amps at 24 Volts
Power Consumption 33.6 Watts
Power Dissipation 7.5 Watts

  

 

Information About 1769-HSC

The 1769-HSC is part of the Allen-Bradley Compact I/O family and is engineered to interface directly with encoders, transmitters, and fast-switching sensing devices. Its two quadrature (ABZ) differential inputs support input voltages from 2.6 to 30V DC and process signals with a minimum pulse width of 250 ns, allowing precise high-speed counting and totalizing. The module supports both counter and encoder functions, making it suitable for applications such as speed monitoring, position tracking, and motion control. It provides four sourcing outputs rated at 5–30V DC and up to 1A per channel (4A per module) along with twelve virtual outputs for extended control logic. With reinforced isolation voltage of 75V continuous and tested up to 1200V AC for 2 seconds, the module ensures safe and reliable operation. It requires placement within four slots of the system power supply and consumes 425 mA at 5.1V DC with a heat dissipation of 7.5 W.

Key Features:

  • Input Channels: Two quadrature (ABZ) differential inputs for high-speed counting and encoder applications.
  • Input Frequency: Supports up to 1 MHz input signals with 250 ns minimum pulse width and 131 ns pulse separation.
  • Output Capacity: Provides 16 outputs total, including 4 physical sourcing outputs (5–30V DC, 1A each) and 12 virtual outputs.
  • Current Handling: Rated for 1A per output point and 4A maximum per module, suitable for direct high-speed control.
  • Electrical Ratings: Operates with an input range of 2.6–30V DC and an output range of 5–30V DC.
  • Isolation: 75V continuous reinforced insulation, type-tested at 1200V AC for 2 seconds.
  • Power Requirements: Draws 425 mA at 5.1V DC, with 7.5 W power dissipation and strict placement within four modules of the power supply.
  • Construction: Compact open-style module with panel or DIN rail mounting, designed for integration with CompactLogix and MicroLogix 1500 systems.

The 1769-HSC delivers the precision and speed required for demanding counter, totalizer, and motion control applications in industrial automation.


 

Manufacturer information

Allen-Bradley, a brand of Rockwell Automation, specializes in manufacturing industrial automation equipment. The product range includes programmable logic controllers (PLCs), motion control systems, safety devices, motor control equipment, automation software, and HMI panels. Allen-Bradley products are known for their reliability and integration with other systems.

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