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- Allen Bradley
- 1794-OV16P
- ControlNet Flex I/O Adapter Module
- USA
- 94 mm × 94 mm × 69 mm
- 0.13kg
- Xiamen, China
- New & In Stock
- T/T, PayPal, Western Union
- 1 Year
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Allen-Bradley 1794-OV16P Technical Overview and Engineering Guide
1. Product Introduction
The 1794-OV16P is a 16-channel protected DC sinking output module designed for FLEX I/O distributed automation systems. It is engineered for industrial applications requiring reliable transistor-based digital output control with integrated electronic protection features.
This module uses sinking transistor outputs and is commonly installed in systems where field devices are wired using negative-side switching configurations. The integrated protection circuitry helps improve system reliability by reducing the risk of damage caused by overloads or short-circuit conditions.
The compact modular structure allows the module to be installed in distributed I/O systems with minimal cabinet space while maintaining high-speed switching performance.
2. Product Parameters
Electrical Specifications
| Parameter | Specification |
|---|---|
| Output Type | 16-channel protected DC sinking output |
| Output Configuration | Sinking transistor outputs |
| Rated Voltage | 24 V DC nominal |
| Operating Voltage Range | 10–31.2 V DC |
| Output Current per Channel | 0.5 A |
| Maximum Module Current | 8 A total |
| Output Protection | Electronic short-circuit and overload protection |
| Leakage Current | ≤ 1 mA |
| Voltage Drop | ≤ 1.0 V at rated load |
| ON Delay Time | ~0.5 ms |
| OFF Delay Time | ~1 ms |
| Isolation Voltage | 50 V continuous |
| FlexBus Current | ~90 mA @ 5 V DC |
| Power Dissipation | ~7 W |
| Thermal Dissipation | ~24 BTU/hr |
Mechanical Specifications
| Parameter | Specification |
|---|---|
| Dimensions (H × W × D) | 94 mm × 94 mm × 69 mm |
| Weight | ~0.13 kg |
| Mounting Type | DIN rail via FLEX I/O terminal base |
| Compatible Terminal Bases | 1794-TB2 / TB3 / TB3S / TB3TS |
| Wiring Method | Screw terminal connection |
| Status Indicators | 16 LED channel 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-OV16P is designed for reliable high-density DC output control in industrial automation environments.
- 16 protected sinking transistor outputs
- Integrated electronic short-circuit protection
- Fast switching response for machine automation
- Compact FLEX I/O modular design
- Individual LED indicators for output status monitoring
- Reduced wiring complexity in distributed systems
- High reliability for industrial field control
- Suitable for negative common wiring configurations
The integrated protection system improves operational safety and reduces maintenance requirements in demanding industrial applications.
4. Product Applications
The module is widely used in distributed industrial control systems requiring sinking-type digital outputs, including:
- Conveyor and material handling systems
- Packaging and labeling machinery
- Automotive assembly equipment
- Solenoid valve control systems
- Industrial process automation
- Remote distributed control panels
- Manufacturing machine control systems
- Automated production lines
It is especially suitable for applications where high-speed switching and electronic protection are both required.
5. Product Advantages
- Integrated overload and short-circuit protection improves reliability
- High-density 16-channel design reduces cabinet space usage
- Fast transistor switching enables rapid machine response
- Compact distributed architecture minimizes field wiring
- LED diagnostics simplify maintenance and troubleshooting
- Stable operation in industrial environments
- Flexible integration into modular FLEX I/O systems
- Reduced downtime due to built-in protection capability
6. Series and System Information
| Category | Description |
|---|---|
| Series | FLEX I/O 1794 Series |
| System Type | Distributed modular I/O platform |
| Module Type | Protected DC sinking digital output module |
| Architecture | Remote I/O with terminal base system |
The FLEX I/O 1794 series is designed for scalable industrial automation systems supporting digital, analog, relay, and specialty I/O modules within one distributed architecture.
7. Recommended Modules – Same Series or Related Models
| Model | Type | Function | Voltage | Weight (kg) | Dimensions |
|---|---|---|---|---|---|
| 1794-OV16 | DC Sinking Output Module | 16-point sinking transistor output | 24 V DC | ~0.12 | 94×94×69 mm |
| 1794-OB16P | DC Sourcing Output Module | 16-point protected sourcing 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-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 DC output | 24 V DC | ~0.30 | 150×90×100 mm |
| 1756-IB16I | Control Input Module | 16-channel isolated 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 compact 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-OV16P is a high-density protected DC sinking output module designed for distributed industrial automation systems requiring fast and reliable transistor-based output control.
Its primary strengths include integrated electronic protection, compact modular architecture, fast switching capability, and efficient compatibility with negative-side switching systems.
Compared with standard sinking output modules, it offers improved operational protection and reduced maintenance risk, making it suitable for demanding automation environments where reliability and uptime are critical.