ProductPRODUCT
Featured products
Contact Us
- Allen Bradley
- 1746-OB16/D
- PLC Module/Rack
- USA
- 145 × 35 × 140 mm
- 0.45kg
- Xiamen, China
- New & In Stock
- T/T, PayPal, Western Union
- 1 Year
- 1-3 Working Days
- DHL, UPS, TNT, FedEx and EMS.
- 24-Hour Service
- COO
- 63
Our advantage
Global Logistics
We have a 10-year logistics and express cooperation agreement, so our products can be shipped to any place in the world.
Brand new and original
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.
| Company Information | |||
| [email protected] | |||
| Mobile | +8615980777398 | ||
| +8615980777398 | |||
| 15980777398 |
Allen-Bradley 1746-OB16/D Technical Overview
1. Product Overview
The Allen-Bradley 1746-OB16/D is a 16-point DC digital output module designed for the SLC 500 PLC platform. It is used to control external 24V DC field devices such as solenoid valves, relays, lamps, alarms, and small actuators.
The module provides high-density output control in a compact format, allowing multiple devices to be driven directly from PLC logic. Each output channel is independently controlled, supporting flexible machine and process automation applications.
It is widely used in industrial control systems where stable and fast DC switching is required.
2. Brand Information
- Brand: Allen-Bradley
- Industry: Industrial automation and PLC systems
- Product Type: DC digital output module
The brand is widely recognized in industrial automation for producing durable and reliable PLC hardware used in long-term manufacturing environments.
3. Product Series
- Series: SLC 500
- Category: Digital output module
- Type: DC transistor output module
The SLC 500 system is a modular PLC platform. The 1746-OB16/D is part of its digital output family designed for high-density DC load control.
4. Technical Parameters
Core Specifications Table
| Parameter | Value |
|---|---|
| Model | 1746-OB16/D |
| Module Type | DC Digital Output |
| Series | SLC 500 |
| Number of Outputs | 16 |
| Output Type | DC transistor (sinking/sourcing dependent on wiring) |
| Output Voltage Range | 10–30 V DC |
| Nominal Voltage | 24 V DC |
| Output Current per Point | 0.5 A (typical) |
| Maximum Module Current | 8 A total |
| Switching Device | Transistor |
| Turn-On Time | ~1–2 ms |
| Turn-Off Time | ~1 ms |
| Off-State Leakage Current | ≤1 mA |
| On-State Voltage Drop | ~1.2 V DC |
| Backplane Current (5V) | ~135–280 mA |
| Isolation Voltage | 1500 V AC |
| Protection Method | Group fused outputs |
| 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) | 145 × 35 × 140 |
| Weight (kg) | 0.20 – 0.45 kg |
5. Product Functions and Applications
Functional Description
- Converts PLC logic signals into DC switching outputs
- Drives external 24V DC industrial devices
- Provides multi-point control in compact PLC systems
- Uses fast transistor switching for real-time response
- Supports inductive load control with proper protection
Typical Applications
- Industrial automation production lines
- Packaging and conveyor systems
- Solenoid valve control circuits
- Relay and contactor driving systems
- Alarm and indicator light control
- Machine-level DC actuator switching
6. Product Advantages
1. High Output Density
Sixteen channels in one module reduce wiring complexity and cabinet space.
2. Fast Switching Performance
Transistor outputs provide fast response suitable for precise control systems.
3. Compact Integration
Designed for direct installation in SLC 500 racks without extra configuration.
4. Reliable Industrial Operation
Stable performance under continuous industrial working conditions.
5. Strong Electrical Isolation
Isolation design improves system safety and reduces electrical interference.
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 | 0.30 |
| 1746-OB16 | DC Output | 16 | 24V DC | 145 × 35 × 140 | 0.34 |
| 1746-OB32 | DC Output | 32 | 24V DC | 145 × 35 × 140 | 0.36 |
| 1746-OA16 | AC Output | 16 | 120/240 VAC | 145 × 35 × 140 | 0.45 |
| 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 |