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- Allen Bradley
- 1794-OV16
- ControlNet Flex I/O Adapter Module
- USA
- 94 mm × 94 mm × 69 mm
- 0.12kg
- Xiamen, China
- New & In Stock
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All our products are priced very favorably because we have our own warehouse and supply.
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Allen-Bradley 1794-OV16 Technical Overview and Engineering Guide
1. Product Introduction
The 1794-OV16 is a 16-channel DC sinking output module designed for the FLEX I/O distributed automation platform. It is used to control field devices that require sinking-type digital outputs, making it suitable for industrial automation systems with negative-side switching configurations.
This module provides high-density discrete output capability in a compact modular design and is widely used in decentralized I/O architectures. It connects to a FLEX I/O terminal base and communicates through a distributed backplane system, reducing panel wiring complexity and simplifying installation.
The 1794-OV16 is engineered for reliable high-speed switching performance in industrial environments and supports efficient integration into machine control and process automation systems.
2. Product Parameters
Electrical Specifications
| Parameter | Specification |
|---|---|
| Output Type | 16-channel DC sinking output |
| Output Configuration | Sinking transistor outputs |
| Rated Output Voltage | 24 V DC nominal |
| Operating Voltage Range | 10–31.2 V DC |
| Output Current per Channel | 0.5 A |
| Total Module Current | 8 A maximum |
| Output Delay Time | ON: ~0.5 ms / OFF: ~1 ms |
| Leakage Current | ≤ 1 mA |
| Voltage Drop | ≤ 1.0 V at rated load |
| Isolation Voltage | 50 V continuous |
| Short-Circuit Protection | Electronic protection |
| FlexBus Current | ~85 mA @ 5 V DC |
| Power Dissipation | ~6.5 W |
| Thermal Dissipation | ~22 BTU/hr |
Mechanical Specifications
| Parameter | Specification |
|---|---|
| Dimensions (H × W × D) | 94 mm × 94 mm × 69 mm |
| Weight | ~0.12 kg |
| Mounting Type | DIN rail via FLEX I/O terminal base |
| Compatible Bases | 1794-TB2 / TB3 / TB3S / TB3TS |
| Wiring Method | Screw terminal base |
| Status Indicators | 16 LED output indicators |
Environmental Specifications
| Parameter | Specification |
|---|---|
| Operating Temperature | 0 to 55 °C |
| Storage Temperature | -40 to 85 °C |
| Relative Humidity | 5–95% non-condensing |
| Vibration Resistance | 5 g (10–500 Hz) |
| Shock Resistance | 30 g |
| Protection Rating | IP20 system-level protection |
3. Product Features
The 1794-OV16 is designed for efficient and reliable DC sinking output control in distributed industrial systems.
- 16-channel high-density sinking output configuration
- Fast transistor switching performance
- Compact modular FLEX I/O architecture
- LED indicators for each output channel
- Electronic short-circuit protection
- Reduced wiring complexity in distributed systems
- Suitable for negative-side switching applications
- Reliable operation in industrial environments
The module is optimized for applications requiring compact digital output control with high switching reliability.
4. Product Applications
The 1794-OV16 is widely used in industrial automation systems where sinking outputs are required, including:
- Conveyor and material handling systems
- Industrial machine automation
- Packaging equipment control
- Solenoid valve control systems
- Sensor-actuator distributed networks
- Process automation systems
- Automotive assembly equipment
- Remote distributed I/O panels
It is especially suitable for systems standardized on sinking-type field devices and negative common wiring configurations.
5. Product Advantages
- High-density 16-channel output design saves cabinet space
- Fast transistor switching improves control response time
- Electronic protection increases operational safety
- Compact distributed architecture reduces field wiring
- LED diagnostics simplify troubleshooting
- Stable operation under industrial conditions
- Suitable for high-speed machine automation systems
- Flexible integration into modular FLEX I/O systems
6. Series and System Information
| Category | Description |
|---|---|
| Series | FLEX I/O 1794 Series |
| System Type | Distributed modular I/O platform |
| Module Type | DC sinking digital output module |
| Architecture | Remote I/O with terminal base system |
The FLEX I/O 1794 series provides scalable distributed automation capability with support for digital, analog, relay, and specialty I/O modules.
7. Recommended Modules – Same Series or Related Models
| Model | Type | Function | Voltage | Weight (kg) | Dimensions |
|---|---|---|---|---|---|
| 1794-OB16P | DC Sourcing Output Module | 16-point protected output | 24 V DC | ~0.10 | 94×94×69 mm |
| 1794-OB16D | Diagnostic Output Module | 16-point diagnostic output | 24 V DC | ~0.12 | 94×94×69 mm |
| 1794-OV32 | DC Sinking Output Module | 32-point sinking output | 24 V DC | ~0.15 | 94×94×69 mm |
| 1794-IB16 | Digital Input Module | 16-point digital input | 24 V DC | ~0.10 | 94×94×69 mm |
| 1794-OM16 | Relay Output Module | 16-channel relay output | 24 V DC | ~0.25 | 94×94×69 mm |
8. Recommended Popular Modules – Same Platform
| Model | Type | Function | Voltage | Weight (kg) | Dimensions |
|---|---|---|---|---|---|
| 1756-OB16E | Control Output Module | 16-channel high-speed DC output | 24 V DC | ~0.30 | 150×90×100 mm |
| 1756-IB16I | Control Input Module | 16-channel isolated digital input | 24 V DC | ~0.30 | 150×90×100 mm |
| 1734-OB8 | Compact Output Module | 8-channel distributed output | 24 V DC | ~0.10 | 56×75×50 mm |
| 1769-OB16 | Compact Output Module | 16-channel digital output | 24 V DC | ~0.25 | 118×87×40 mm |
| 1769-IQ16 | Compact Input Module | 16-channel digital input | 24 V DC | ~0.25 | 118×87×40 mm |
9. Engineering Summary
The 1794-OV16 is a compact high-density DC sinking output module designed for distributed industrial automation systems requiring reliable transistor-based output control.
Its primary advantages include fast switching performance, compact modular architecture, electronic protection capability, and efficient integration into decentralized I/O systems.
Compared with relay-based output modules, it offers significantly faster response speed and longer switching life, making it suitable for modern machine automation and high-speed industrial control applications.