
Product Overview
The Allen-Bradley 1762-OW8 MicroLogix 1200 8-Point Relay Output Module is a compact industrial relay output expansion module designed for PLC automation and machine control applications.
This module provides eight relay output channels for controlling industrial devices such as contactors, motors, alarms, indicator lamps, and solenoid valves. Engineered for reliable switching performance and flexible load compatibility, the 1762-OW8 is suitable for industrial automation systems requiring dependable relay-based output control.
As part of the MicroLogix expansion I/O family, the module integrates seamlessly with MicroLogix controllers and supports scalable industrial automation architectures.
Technical Specifications
| Parameter |
Details |
| Manufacturer |
Allen-Bradley |
| Model |
1762-OW8 |
| Product Type |
Relay Output Module |
| Series |
MicroLogix 1200 Expansion I/O |
| Number of Outputs |
8 relay outputs |
| Output Type |
Mechanical relay outputs |
| Signal Type |
Digital output |
| Contact Configuration |
Normally open relay contacts |
| Load Compatibility |
AC and DC loads |
| Isolation |
Relay-to-backplane isolation |
| Communication Method |
PLC backplane communication |
| Wiring Method |
Screw terminal connection |
| Mounting Type |
DIN rail / panel mounted |
| Compatible Controllers |
MicroLogix 1100 / 1200 / 1400 |
| Dimensions |
90 × 40 × 87 mm |
| Weight |
0.228 kg |
| Application |
Industrial relay output expansion |
| Operating Environment |
Industrial-grade automation systems |
Function and Working Principle
The 1762-OW8 functions as a relay-based digital output interface module for industrial PLC systems.
Its operating process includes:
- Receiving output control signals from the PLC processor
- Activating internal relay contacts
- Switching connected industrial devices ON or OFF
- Supporting control of both AC and DC loads
- Providing electrical isolation between the control system and field equipment
The relay-based design allows flexible control of multiple industrial load types within automation systems.
Role in Industrial Control Systems
Within industrial automation systems, the 1762-OW8 serves as a digital relay output expansion module.
It is commonly used to control:
- Industrial contactors
- Motor starters
- Alarm systems
- Solenoid valves
- Indicator lights
- Process control devices
It expands PLC-controlled relay output capability while maintaining a compact installation footprint.
Industrial Applications
The Allen-Bradley 1762-OW8 is widely used in:
- Manufacturing automation
- Packaging machinery
- Conveyor systems
- Material handling equipment
- HVAC automation systems
- Water treatment facilities
- Industrial process control applications
It is especially suitable for compact automation systems requiring reliable relay output switching.
Installation and System Integration
Proper installation ensures reliable long-term operation:
- Mounted on DIN rail or industrial control panels
- Connected directly to MicroLogix PLC expansion buses
- Wired through industrial screw terminal connections
- Installed inside industrial automation cabinets
- Requires proper grounding and electrical protection
Correct installation improves operational stability and reduces electrical interference.
Compatible System Components
The 1762-OW8 typically works with:
- MicroLogix PLC controllers
- 1762 analog and digital I/O modules
- Human Machine Interfaces (HMI)
- Industrial sensors and actuators
- Motor control systems
- Industrial communication modules
It functions as part of a scalable industrial automation platform.
Recommended Alternative Models
| Model |
Type |
Key Feature |
Application |
| 1762-OW16 |
Relay output module |
16 relay outputs |
Larger automation systems |
| 1762-OB8 |
DC transistor output module |
Fast DC switching |
High-speed automation |
| 1762-OA8 |
AC solid-state output module |
Solid-state AC outputs |
AC automation control |
| 1769-OW8I |
CompactLogix relay module |
Higher integration capability |
Advanced automation |
| Siemens SM1222 Relay |
Relay output module |
Industrial PLC compatibility |
Industrial automation |
Key Advantages
- Compact 8-point relay output design
- Supports both AC and DC loads
- Reliable industrial relay switching
- Flexible output control capability
- Seamless MicroLogix PLC integration
- Suitable for continuous industrial operation
Technical FAQs
What is the primary function of the 1762-OW8?
It provides eight relay outputs for industrial automation systems.
What types of loads can it control?
It can control both AC and DC industrial loads.
Which PLC systems are compatible with this module?
It is compatible with MicroLogix 1100, 1200, and 1400 controllers.
What are the advantages of relay outputs?
Relay outputs provide flexible load compatibility and electrical isolation for industrial control systems.
Conclusion
The Allen-Bradley 1762-OW8 MicroLogix 1200 8-Point Relay Output Module is a reliable industrial expansion module designed for efficient relay-based output control in PLC automation systems. With eight relay outputs, flexible AC/DC load compatibility, and seamless integration with MicroLogix controllers, it delivers dependable performance for industrial machine automation and process control applications.
For engineers and system integrators, the 1762-OW8 offers compact installation, stable industrial operation, and long-term reliability across a wide range of automation environments.