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- Allen Bradley
- 1746-OV32
- PLC Module/Rack
- USA
- 248 × 167 × 53 mm
- 0.35kg
- 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-OV32 Detailed Technical Overview
1. Product Overview
The Allen-Bradley 1746-OV32 is a high-density 32-point DC sinking output module designed for the SLC 500 PLC system. It is used in industrial automation to control a large number of 24V DC field devices such as solenoid valves, relays, indicator lights, alarms, and other discrete DC loads.
The module provides two groups of 16 outputs, enabling efficient high-channel-density control within a single PLC slot. It is widely used in systems that require compact wiring, high output capacity, and reliable transistor switching performance.
This module is part of the SLC 500 discrete I/O family and is known for its balance of high channel density and stable industrial operation.
2. Brand Information
- Brand: Allen-Bradley
- Industry: Industrial automation and PLC systems
- Product Type: DC sinking digital output module
The brand is widely recognized in industrial control systems for durable PLC hardware designed for long-term operation in harsh manufacturing environments.
3. Product Series
- Series: SLC 500
- Category: Digital output module
- Type: High-density DC sinking transistor output module
The SLC 500 system is a modular PLC platform. The 1746-OV32 is one of its highest-density DC output modules, designed for large-scale output expansion.
4. Technical Parameters
Core Specifications Table
| Parameter | Value |
|---|---|
| Model | 1746-OV32 |
| Module Type | DC Digital Output |
| Series | SLC 500 |
| Number of Outputs | 32 |
| Output Type | Sinking transistor output |
| Output Groups | 2 groups (16 points each) |
| Output Voltage Range | 5–50 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 |
| Surge Current | 1.0 A (10 ms per point) |
| Switching Device | Transistor |
| Turn-On Time | ~0.1 ms |
| Turn-Off Time | ~1.0 ms |
| Backplane Current (5V) | ~190 mA |
| Backplane Current (24V) | 0 mA |
| On-State Voltage Drop | ~1.2 V DC |
| Off-State Leakage Current | ≤1 mA |
| Isolation Voltage | 1500 V AC (backplane) |
| Thermal Dissipation | ~6.45 W total |
| Load Type | DC resistive / inductive loads |
| Operating Temperature | 0°C to 60°C |
| Storage Temperature | -40°C to 85°C |
| Relative Humidity | 5–95% non-condensing |
| Dimensions (mm) | 248 × 167 × 53 |
| Weight (kg) | ~0.17–0.35 kg |
5. Product Functions and Applications
Functional Description
- Converts PLC logic signals into 32-channel DC output switching
- Drives multiple 24V DC field devices simultaneously
- Provides fast transistor-based switching response
- Supports high-density wiring architecture
- Enables efficient expansion of PLC output capacity
Typical Applications
- Large-scale industrial automation systems
- Conveyor and packaging production lines
- Solenoid valve manifolds and valve islands
- Relay and interface control panels
- Alarm and indicator systems
- High-channel machine automation control
6. Product Advantages
1. Very High Output Density
32 channels in a single module significantly reduce rack space and wiring complexity.
2. Fast Switching Performance
0.1 ms turn-on time supports precise real-time automation control.
3. Compact System Integration
Designed to maximize I/O capacity per PLC slot.
4. Stable Industrial Operation
Suitable for continuous operation in harsh factory environments.
5. Flexible Load Handling
Supports both resistive and inductive DC loads with proper surge capability.
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
| 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 |