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- Allen Bradley
- 1746-OV16
- PLC Module/Rack
- USA
- 145 × 35 × 140 mm
- 0.48kg
- Xiamen, China
- New & In Stock
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We have a 10-year logistics and express cooperation agreement, so our products can be shipped to any place in the world.
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Our products are imported in bulk from the place of origin. Because of the cooperative relationship, our products are all original and 100% new.
24-hour service
We provide 7*24 hours service to our customers. We will be there whenever you need us.
Price advantage
All our products are priced very favorably because we have our own warehouse and supply.
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Allen-Bradley 1746-OV16 Detailed Technical Overview
1. Product Overview
The Allen-Bradley 1746-OV16 is a 16-point DC digital output module designed for the SLC 500 PLC system. It is a sinking transistor output module used to control industrial DC loads such as relays, solenoid valves, indicator lamps, alarms, and other 24V DC field devices.
The module provides stable and fast switching performance and is widely used in industrial automation systems requiring multi-channel DC output control within a compact PLC rack structure.
It belongs to the standard discrete output family of the SLC 500 platform and is known for reliable operation in harsh industrial environments.
2. Brand Information
- Brand: Allen-Bradley
- Industry: Industrial automation and PLC systems
- Product Type: DC digital output module
The brand is widely used in manufacturing automation due to its durability, long lifecycle, and strong compatibility with PLC control systems.
3. Product Series
- Series: SLC 500
- Category: Digital output module
- Type: DC sinking transistor output module
The SLC 500 system is a modular PLC platform. The 1746-OV16 is part of its high-density digital output family used for industrial switching applications.
4. Technical Parameters
Core Specifications Table
| Parameter | Value |
|---|---|
| Model | 1746-OV16 |
| Module Type | DC Digital Output |
| Series | SLC 500 |
| Number of Outputs | 16 |
| Output Type | Sinking transistor output |
| Output Voltage Range | 10–50 V DC |
| Nominal Voltage | 24 V DC |
| Output Current per Point | 0.5 A @ 60°C / 1.0 A @ 30°C |
| Output Current per Module | 8 A max (or 4 A @ 60°C) |
| Surge Current | 3.0 A for 10 ms |
| Switching Device | Transistor |
| Turn-On Time | ~2.0 ms |
| Turn-Off Time | ~1.0 ms |
| Backplane Current (5V) | ~270 mA |
| Backplane Current (24V) | 0 mA |
| On-State Voltage Drop | ~1.2 V DC |
| Off-State Leakage Current | ≤1 mA |
| Load Type | DC inductive / resistive loads |
| Protection | Group-based output protection (fusing design dependent) |
| Isolation Voltage | 1500 V AC |
| Operating Temperature | 0°C to 60°C |
| Storage Temperature | -40°C to 85°C |
| Relative Humidity | 5–95% non-condensing |
| Dimensions (mm) | 145 × 35 × 140 |
| Weight (kg) | ~0.48 kg |
5. Product Functions and Applications
Functional Description
- Converts PLC control signals into 24V DC switching outputs
- Drives external industrial DC loads directly
- Provides high-speed transistor switching response
- Supports multiple output channels in a compact PLC rack
- Ensures electrical isolation between field devices and PLC backplane
Typical Applications
- Industrial automation production lines
- Conveyor and material handling systems
- Solenoid valve control systems
- Relay and contactor interface circuits
- Alarm and indicator lamp systems
- Machine-level DC output control applications
6. Product Advantages
1. High Channel Density
Sixteen outputs in one module reduce wiring complexity and cabinet space requirements.
2. Fast Electronic Switching
Transistor-based outputs provide millisecond-level response for real-time control.
3. Strong Industrial Reliability
Designed for continuous operation in harsh factory environments.
4. Wide Voltage Compatibility
Supports 10–50V DC range, suitable for different industrial control standards.
5. Stable Electrical Isolation
Protects PLC backplane from field-side electrical disturbances.
7. Recommended Models (Same Series or Related)
SLC 500 Series Related Modules
| Model | Type | Channels | Signal Type | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|---|
| 1746-OB8 | DC Output | 8 | 24V DC | 145 × 35 × 140 | 0.39 |
| 1746-OB16 | DC Output | 16 | 24V DC | 145 × 35 × 140 | 0.34 |
| 1746-OB16E | DC Output | 16 | Sourcing | 145 × 35 × 140 | 0.35 |
| 1746-OBP16 | Protected DC Output | 16 | 24V DC | 145 × 35 × 140 | 0.40 |
| 1746-OW16 | Relay Output | 16 | AC/DC Relay | 145 × 35 × 140 | 0.50 |
8. Recommended Popular Models (Same Brand)
Popular Automation Modules
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|---|---|---|---|---|---|
| 1756-L73 | Controller | — | 5V DC | 150 × 140 × 130 | 0.36 |
| 1769-L36ERM | Compact Controller | — | 24V DC | 120 × 90 × 70 | 0.30 |
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| 1756-EN2T | Ethernet Module | — | 5V DC | 150 × 140 × 130 | 0.32 |