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- Allen Bradley
- 1746-OX8
- PLC Module/Rack
- USA
- 248 × 166 × 54 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 sinking transistor output module designed for the SLC 500 PLC system. It is used to drive 24V DC field devices such as relays, solenoid valves, indicator lamps, alarms, and other industrial actuators.
This module provides fast, reliable switching with a compact 16-channel structure, making it suitable for medium-density digital output control in industrial automation systems.
It belongs to the SLC 500 discrete I/O family and is widely used in machine control and process automation systems requiring stable DC output performance.
2. Brand Information
- Brand: Allen-Bradley
- Industry: Industrial automation and PLC control systems
- Product Type: DC digital output module
The brand is widely used in manufacturing automation due to its reliability, long service life, and strong PLC ecosystem compatibility.
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 standard DC output expansion family.
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 @ 30°C / 0.25 A @ 60°C |
| Output Current per Module | 8 A max (4 A @ 60°C) |
| Switching Device | Transistor |
| Turn-On Time | ~0.1 ms |
| Turn-Off Time | ~1.0 ms |
| Backplane Current (5V) | ~270 mA |
| On-State Voltage Drop | ~1.2 V DC |
| Off-State Leakage | ≤1 mA |
| Isolation Voltage | 1500 V AC |
| Load Type | DC inductive / resistive loads |
| Operating Temperature | 0°C to 60°C |
| Storage Temperature | -40°C to 85°C |
| Relative Humidity | 5–95% non-condensing |
| Dimensions (mm) | 248 × 166 × 54 |
| Weight (kg) | ~0.31–0.48 kg |
5. Product Functions and Applications
Functional Description
- Converts PLC logic signals into DC output switching
- Controls external 24V DC industrial devices
- Provides fast transistor switching for real-time control
- Supports multiple output channels in a compact module
- 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 interface and contactor driving circuits
- Alarm and indicator systems
- Machine-level DC output control applications
6. Product Advantages
1. High-Speed Switching
Sub-millisecond response enables precise automation control.
2. Compact High-Density Design
16 outputs in one module reduce wiring and cabinet space.
3. Stable Industrial Performance
Designed for continuous operation in harsh environments.
4. Flexible Load Capability
Supports both resistive and inductive DC loads.
5. Strong Electrical Isolation
Protects PLC backplane from field-side disturbances.
7. Recommended Models (Same Series or Related)
SLC 500 Series Related Modules
| Model | Type | Channels | Signal Type | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|---|
| 1746-OV8 | DC Output | 8 | Sinking | 145 × 35 × 140 | 0.39 |
| 1746-OV16 | DC Output | 16 | Sinking | 248 × 166 × 54 | 0.48 |
| 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 |
8. Recommended Popular Models (Same Brand)
Popular Automation Modules
| Model | Type | Channels | Voltage | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|---|
| 1756-L73 | Controller | — | 5V DC | 150 × 140 × 130 | 0.36 |
| 1769-L36ERM | Compact Controller | — | 24V DC | 120 × 90 × 70 | 0.30 |
| 1734-IE8C | Analog Input | 8 | 4–20 mA | 75 × 12 × 60 | 0.16 |
| 1769-OF8C | Analog Output | 8 | 0–10 V | 118 × 87 × 35 | 0.30 |
| 1756-EN2T | Ethernet Module | — | 5V DC | 150 × 140 × 130 | 0.32 |