1762-OB8 | Allen-Bradley MicroLogix 8-Point 24V DC Digital Output Expansion Module
1762-OB8 | Allen-Bradley MicroLogix 8-Point 24V DC Digital Output Expansion Module
1762-OB8 | Allen-Bradley MicroLogix 8-Point 24V DC Digital Output Expansion Module
    1762-OB8 | Allen-Bradley MicroLogix 8-Point 24V DC Digital Output Expansion Module
1762-OB8 | Allen-Bradley MicroLogix 8-Point 24V DC Digital Output Expansion Module

1762-OB8 | Allen-Bradley MicroLogix 8-Point 24V DC Digital Output Expansion Module

Part #: 1762-OB8 Manufactured by: Allen-Bradley
Regular price
$229.00
Sale price
$229.00
Regular price
3 in Stock
Condition: New – Open box
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Product Overview
The Allen-Bradley 1762-OB8 is a digital output module designed for the MicroLogix series. With eight output points, it fac...  Read more
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Product Description P/N: 1762-OB8

Description / Specifications

Description 

The Allen-Bradley 1762-OB8 is an 8-point solid-state digital output module designed for MicroLogix 1200 control systems. Operating from a 24V DC source, it provides reliable output switching for industrial automation equipment and compact control applications.

 

 

Technical Specifications 

Condition New/Never Used Surplus
Brand Allen-Bradley
Category PLCs/Machine Control
Part Number 1762-OB8
Subcategory PLC Module/Rack
Series MicroLogix 1200
Product Type Solid-State Expansion Module
Operating Voltage Range 20.4–26.4 VDC
Voltage Category 24 VDC
Number of Outputs 8
Continuous Current per Point 1 A @ 30°C
Continuous Current per Module 8 A @ 30°C
Backplane Current Draw 115 mA at 5 VDC
On-State Voltage Drop (max) 1.0 VDC
Off-State Leakage (max) 1 mA
On-State Current (min) 1 mA
Signal Delay (On) 0.1 ms
Heat Dissipation (max) 1.61 W
Mounting Type DIN rail
Power Supply Distance Rating Up to 6 modules from power supply
Isolated Groups 1 group: outputs 0–7

 

 

Information About 1762-OB8

The 1762-OB8 is part of the Allen-Bradley MicroLogix expansion family, offering eight individually controlled 24V DC digital outputs for interfacing with actuators, indicators, and external devices. Its construction supports DIN rail mounting and integrates directly into the MicroLogix 1200 architecture through the system backplane. Designed with solid-state output circuitry, the module provides fast switching performance, low leakage, and protection features suitable for industrial environments. With a 20.4–26.4 VDC operating range and optimized current handling per point and per module, it ensures stable operation while maintaining compact dimensions for control panel efficiency.

Key Features

  • Eight 24V DC Output Points: Provides eight solid-state digital outputs for controlling multiple devices within MicroLogix automation systems.
  • Wide DC Operating Range: Supports 20.4–26.4 VDC operation, ensuring compatibility with common industrial power supplies.
  • Fast Switching Performance: Features an on-delay response time of 0.1 ms for rapid and precise digital output control.
  • Robust Current Handling: Supports up to 1 A per point and 8 A per module at 30°C, allowing reliable operation across diverse loads.
  • DIN Rail Mounting: Compact and easy to install, enabling efficient placement within control panels and enclosures.
  • Low On-State Voltage Drop: Maintains a maximum drop of 1.0 VDC to ensure consistent signaling across connected devices.
  • Backplane Power Efficiency: Draws only 115 mA at 5 VDC, minimizing power supply loading in larger MicroLogix systems.
  • Single Isolated Output Group: Outputs 0–7 are grouped for simplified wiring and integration across industrial applications.

The 1762-OB8 delivers the reliability and precision required for dependable digital output control in MicroLogix-based industrial automation systems.

Frequently Asked Questions about 1762-OB8
Question: What is the scaling of 1762-OB8?
Date Update:20/06/2025
Answer:

The 1762-OB8 is a digital output module, which means it operates using binary logic—on (1) or off (0) states. Therefore, unlike analog modules, it does not use scaling in the traditional sense (such as 0–10V mapped to engineering units). Instead:

  • It outputs 24V DC when turned ON and 0V DC when turned OFF.
  • Output points are controlled directly by Boolean logic in the program.
  • No linear scaling or conversion is required because it's not dealing with continuous analog signals.

This binary behavior makes it ideal for discrete control tasks like switching relays, lamps, or solenoids.

Question: How is the module powered and connected?
Date Update:20/06/2025
Answer:

The 1762-OB8 draws its operating power through the MicroLogix backplane. Key power specifications include:

  • Backplane Current Draw: 115 mA at 5V DC
  • Voltage Category: 24V DC

It can be installed up to six modules away from the system power supply, following Rockwell’s system guidelines.

Question: Can the 1762-OB8 be mounted directly on a panel?
Date Update:20/06/2025
Answer:

No, the module is intended for DIN rail mounting only. This mounting style ensures stability, ease of installation, and proper alignment with other MicroLogix modules. DIN rail mounting also aids in maintaining proper heat dissipation and spacing.

Question: What tools or software are needed to configure it?
Date Update:20/06/2025
Answer:

The 1762-OB8 is configured and controlled using RSLogix 500 or Logix Designer, depending on the controller it is connected to. It does not require standalone configuration but depends entirely on the program logic running in the base MicroLogix 1200 controller.

Question: Is the 1762-OB8 still in production?
Date Update:20/06/2025
Answer:

Yes, the 1762-OB8 digital output module remains active and is currently in production by Rockwell Automation. It continues to be widely supported and used in MicroLogix 1200-based industrial control applications.

IQElectro 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 For more detailed information, please refer to the full version of our disclaimer policy Disclaimer Policy.
Description / Specifications

Description 

The Allen-Bradley 1762-OB8 is an 8-point solid-state digital output module designed for MicroLogix 1200 control systems. Operating from a 24V DC source, it provides reliable output switching for industrial automation equipment and compact control applications.

 

 

Technical Specifications 

Condition New/Never Used Surplus
Brand Allen-Bradley
Category PLCs/Machine Control
Part Number 1762-OB8
Subcategory PLC Module/Rack
Series MicroLogix 1200
Product Type Solid-State Expansion Module
Operating Voltage Range 20.4–26.4 VDC
Voltage Category 24 VDC
Number of Outputs 8
Continuous Current per Point 1 A @ 30°C
Continuous Current per Module 8 A @ 30°C
Backplane Current Draw 115 mA at 5 VDC
On-State Voltage Drop (max) 1.0 VDC
Off-State Leakage (max) 1 mA
On-State Current (min) 1 mA
Signal Delay (On) 0.1 ms
Heat Dissipation (max) 1.61 W
Mounting Type DIN rail
Power Supply Distance Rating Up to 6 modules from power supply
Isolated Groups 1 group: outputs 0–7

 

 

Information About 1762-OB8

The 1762-OB8 is part of the Allen-Bradley MicroLogix expansion family, offering eight individually controlled 24V DC digital outputs for interfacing with actuators, indicators, and external devices. Its construction supports DIN rail mounting and integrates directly into the MicroLogix 1200 architecture through the system backplane. Designed with solid-state output circuitry, the module provides fast switching performance, low leakage, and protection features suitable for industrial environments. With a 20.4–26.4 VDC operating range and optimized current handling per point and per module, it ensures stable operation while maintaining compact dimensions for control panel efficiency.

Key Features

  • Eight 24V DC Output Points: Provides eight solid-state digital outputs for controlling multiple devices within MicroLogix automation systems.
  • Wide DC Operating Range: Supports 20.4–26.4 VDC operation, ensuring compatibility with common industrial power supplies.
  • Fast Switching Performance: Features an on-delay response time of 0.1 ms for rapid and precise digital output control.
  • Robust Current Handling: Supports up to 1 A per point and 8 A per module at 30°C, allowing reliable operation across diverse loads.
  • DIN Rail Mounting: Compact and easy to install, enabling efficient placement within control panels and enclosures.
  • Low On-State Voltage Drop: Maintains a maximum drop of 1.0 VDC to ensure consistent signaling across connected devices.
  • Backplane Power Efficiency: Draws only 115 mA at 5 VDC, minimizing power supply loading in larger MicroLogix systems.
  • Single Isolated Output Group: Outputs 0–7 are grouped for simplified wiring and integration across industrial applications.

The 1762-OB8 delivers the reliability and precision required for dependable digital output control in MicroLogix-based industrial automation systems.

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