Precision DC Output Control for Compact SLC 500 Automation Systems
The Allen Bradley 1746-OV8 Digital Output Module is a compact high-performance output module designed for the SLC 500 platform. Engineered to provide dependable DC output switching, this module delivers stable control of field devices such as relays, solenoids, pilot lights, and industrial actuators.
With its 8-point output configuration, the 1746-OV8 is an excellent choice for machine-level automation tasks requiring accurate signal transmission and efficient panel utilization. Its reliable solid-state design supports continuous industrial operation while helping maintain consistent system performance across demanding manufacturing environments.
Technical Specifications
| Parameter | Specification |
|---|
| Manufacturer | Allen Bradley |
| Model Number | 1746-OV8 |
| Module Type | Digital Output Module |
| Product Series | SLC 500 |
| Output Channels | 8 Outputs |
| Output Voltage Category | 24–48 V DC |
| Operating Voltage Range | 20.4–53 V DC |
| Output Type | Sourcing DC Output |
| Output Current Rating | 0.5 A per channel |
| Total Module Current | 4 A Maximum |
| Surge Current | 5 A for 10 ms |
| Off-State Leakage Current | 1 mA Maximum |
| Output Delay ON | 0.1 ms Typical |
| Output Delay OFF | 1 ms Typical |
| Backplane Current Draw | 50 mA at 5 V DC |
| Isolation | Optical Isolation |
| Mounting | SLC 500 Chassis |
| Operating Temperature | 0°C to +60°C |
Typical Industrial Applications
The 1746-OV8 module is widely deployed in industrial automation systems requiring reliable DC output control.
Common application areas include:
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Automated assembly equipment
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Conveyor control systems
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Packaging machinery
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Material handling systems
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Industrial process automation
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Food and beverage production lines
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Water treatment facilities
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Machine tool control systems
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Motor starter interface circuits
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OEM equipment integration
Its compact footprint makes it particularly suitable for applications where cabinet space optimization is important.
Performance Benefits
Efficient 8-Point Output Design
Provides reliable control for multiple field devices while maintaining a compact hardware profile.
Fast Switching Response
Supports rapid output activation and deactivation for responsive machine operation.
Stable DC Load Control
Designed for dependable switching of industrial DC-powered devices and control circuits.
Strong System Compatibility
Integrates seamlessly with SLC 500 processors, communication modules, and power supplies.
Enhanced Noise Immunity
Optical isolation helps improve signal integrity and supports stable operation in electrically demanding environments.
Simplified Maintenance
Front-panel LED indicators allow quick verification of output channel status.
Industrial-Grade Reliability
Built for continuous-duty automation applications where uptime and performance consistency are critical.
Technical FAQs
1. What is the primary function of the 1746-OV8 module?
It provides DC digital output control for field devices connected to an SLC 500 PLC system.
2. How many output points are available?
The module offers 8 digital output channels.
3. What output voltage range does it support?
It operates within a 20.4–53 V DC range.
4. What type of output configuration does it use?
The module uses sourcing DC outputs.
5. What is the maximum output current per channel?
Each output channel supports up to 0.5 A.
6. Can it control relays and solenoids?
Yes, it is commonly used for relays, solenoids, indicators, and similar DC loads.
7. Is channel status monitoring available?
Yes, individual LED indicators display output status.
8. Does the module provide electrical isolation?
Yes, optical isolation is included between field circuits and the backplane.
9. What platform is it designed for?
It is specifically designed for Allen Bradley SLC 500 systems.
10. What is the key advantage of the 1746-OV8?
It combines compact size, fast response, and reliable DC output control for industrial automation applications.
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