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
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$642.00
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$642.00
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Product Overview
Allen Bradley CompactLogix 2-4 Channel High Speed Counter-Encoder I-O Module
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Product Description P/N: 1769-HSC

Description / Specifications

Description 

The Allen-Bradley 1769-HSC is a Compact I/O module. This module is a High-Speed Counter module that is compatible with CompactLogix and MicroLogix 1500 controllers. It comes with Two (2) quadrature (ABZ) differential inputs and input frequency of 1 MHz. It also has Four (4) physical and Twelve (12) virtual outputs.

 

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 Allen-Bradley 1769-HSC is a Compact I/O module that is used to interface signaling devices with high-frequency switching. Specifically, this module is typically used for counter applications, totalizer requirements and position monitoring and control.

This module is part of the 1769 Compact I/O modules and compatible for use in both the CompactLogix and MicroLogix Programmable Automation Controllers (PAC) and Programmable Logic Controllers (PLC) respectively. It can be used to directly interface with encoders, pulse output of Transmitters and direct connection with fast sensing devices.

The 1769-HSC features Two (2) quadrature (ABZ) differential inputs with input voltage range of 2.6…30V DC. It accepts a minimum pulse width of 250 ns and Pulse separation of 131 ns. The output channels of this module consists of Four (4) physical and Twelve (12) virtual outputs with output voltage range of 5-30VDC. Each channel has a maximum On-state current of 1A per point, for a total of 4 Amperes per module.

The input channels of the module has a frequency of 1MHz for counter and encoder functions. The integrated channels accept an input voltage range of 2.6 - 30Vdc that includes Four (4) onboard 5-30Vdc sourcing outputs intended for high-speed control requirements such as position, speed and motion.

The 1769-HSC must be installed not more than Four (4) modules away from the power as indicated by the power supply distance rating requirement. It does not support removal under power thus, it is not recommended to install and uninstall the module under such condition.

The 1769-HSC features a 1 Mhz counter/encoder input frequency with Four (4) on-board sourcing outputs of 5 to 30 Volts DC. It is necessary for high-speed control applications that include flow control, measuring length, position, speed, frequency, or duration. The 1769-HSC module has 425 mA at a 5 Volt DC bus current draw and 0 mA at a 24 Volt DC bus current draw. It has a heat dissipation peak 6.21 Watts and an isolation voltage of 75 Volts reinforce insulation test to withstand 1200 Volts AC for 2 seconds.

The 1769-HSC has a 90 degree Celsius or 194 degrees Fahrenheit wire type and its wire can reach up to 22 to 14 AWG solid copper wire or 22 to 16 AWG stranded copper wire rated at 90 degrees Celsius (194 degrees Fahrenheit) insulation. The cable should be an individually-shielded or twisted-pair cable. The module’s wiring category is 2 on signal ports and the enclosure type rating is open-style. The 1769-HSC module has 2 quadrature differential inputs and input voltage that ranges 2.6 to 30 Volts DC. It has a minimal ON-state current 6.8 mA and OFF-state voltage max is 1.0 Volt DC. Its OFF-state current and leakage current is 1.5 mA. The module’s input current max is 15 mA and 6.8 mA minimal input current. The module has a 1950 Ohm input impedance and a pulse width of 259 ns. It comes with a minimal phase separation of 131 ns. It has voltage output range 5 to 30 Volts DC and user power -0.1 Volts DC On-state max voltage. Its reverse polarity protection is at 30V DC. The 1769-HSC’s turn-on time max is 400 µs and minimal 200 µs turn off time. Its operating temperature is 0 to 60 degrees Celsius and non-operating -40 to 85 degrees Celsius; the maximum surrounding air temperature is 40 degrees Celsius.



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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Description / Specifications

Description 

The Allen-Bradley 1769-HSC is a Compact I/O module. This module is a High-Speed Counter module that is compatible with CompactLogix and MicroLogix 1500 controllers. It comes with Two (2) quadrature (ABZ) differential inputs and input frequency of 1 MHz. It also has Four (4) physical and Twelve (12) virtual outputs.

 

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 Allen-Bradley 1769-HSC is a Compact I/O module that is used to interface signaling devices with high-frequency switching. Specifically, this module is typically used for counter applications, totalizer requirements and position monitoring and control.

This module is part of the 1769 Compact I/O modules and compatible for use in both the CompactLogix and MicroLogix Programmable Automation Controllers (PAC) and Programmable Logic Controllers (PLC) respectively. It can be used to directly interface with encoders, pulse output of Transmitters and direct connection with fast sensing devices.

The 1769-HSC features Two (2) quadrature (ABZ) differential inputs with input voltage range of 2.6…30V DC. It accepts a minimum pulse width of 250 ns and Pulse separation of 131 ns. The output channels of this module consists of Four (4) physical and Twelve (12) virtual outputs with output voltage range of 5-30VDC. Each channel has a maximum On-state current of 1A per point, for a total of 4 Amperes per module.

The input channels of the module has a frequency of 1MHz for counter and encoder functions. The integrated channels accept an input voltage range of 2.6 - 30Vdc that includes Four (4) onboard 5-30Vdc sourcing outputs intended for high-speed control requirements such as position, speed and motion.

The 1769-HSC must be installed not more than Four (4) modules away from the power as indicated by the power supply distance rating requirement. It does not support removal under power thus, it is not recommended to install and uninstall the module under such condition.

The 1769-HSC features a 1 Mhz counter/encoder input frequency with Four (4) on-board sourcing outputs of 5 to 30 Volts DC. It is necessary for high-speed control applications that include flow control, measuring length, position, speed, frequency, or duration. The 1769-HSC module has 425 mA at a 5 Volt DC bus current draw and 0 mA at a 24 Volt DC bus current draw. It has a heat dissipation peak 6.21 Watts and an isolation voltage of 75 Volts reinforce insulation test to withstand 1200 Volts AC for 2 seconds.

The 1769-HSC has a 90 degree Celsius or 194 degrees Fahrenheit wire type and its wire can reach up to 22 to 14 AWG solid copper wire or 22 to 16 AWG stranded copper wire rated at 90 degrees Celsius (194 degrees Fahrenheit) insulation. The cable should be an individually-shielded or twisted-pair cable. The module’s wiring category is 2 on signal ports and the enclosure type rating is open-style. The 1769-HSC module has 2 quadrature differential inputs and input voltage that ranges 2.6 to 30 Volts DC. It has a minimal ON-state current 6.8 mA and OFF-state voltage max is 1.0 Volt DC. Its OFF-state current and leakage current is 1.5 mA. The module’s input current max is 15 mA and 6.8 mA minimal input current. The module has a 1950 Ohm input impedance and a pulse width of 259 ns. It comes with a minimal phase separation of 131 ns. It has voltage output range 5 to 30 Volts DC and user power -0.1 Volts DC On-state max voltage. Its reverse polarity protection is at 30V DC. The 1769-HSC’s turn-on time max is 400 µs and minimal 200 µs turn off time. Its operating temperature is 0 to 60 degrees Celsius and non-operating -40 to 85 degrees Celsius; the maximum surrounding air temperature is 40 degrees Celsius.



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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