ProductPRODUCT
Featured products
Contact Us
- Allen Bradley
- 1746-OB6EI
- PLC Module/Rack
- USA
- 127 × 51 × 152 mm
- 0.3kg
- 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
- 48
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-OB6EI Detailed Technical Overview
1. Product Overview
The Allen-Bradley 1746-OB6EI is a 6-point DC digital output module designed for the SLC 500 PLC system. It is used to control industrial 24V DC loads such as solenoid valves, relays, indicator lamps, and small actuators.
This module belongs to the electronically protected output family, meaning it includes built-in short-circuit and overload protection, which reduces the need for external protection devices in many applications. It is optimized for fast switching and high reliability in industrial environments.
The module provides isolated sourcing outputs, allowing stable and safe control of field devices in automation systems.
2. Brand Information
- Brand: Allen-Bradley
- Industry: Industrial automation and PLC control systems
- Product Type: Electronically protected DC output module
The brand is widely used in industrial automation due to its long service life, stable performance, and strong compatibility with PLC-based control systems.
3. Product Series
- Series: SLC 500
- Category: Digital output module
- Type: DC sourcing output module with electronic protection
The SLC 500 system is a modular PLC platform. The 1746-OB6EI is part of its protected output module family, designed for high-current DC switching applications.
4. Technical Parameters
Core Specifications Table
| Parameter | Value |
|---|---|
| Model | 1746-OB6EI |
| Module Type | DC Digital Output |
| Series | SLC 500 |
| Number of Outputs | 6 |
| Output Type | Isolated sourcing transistor output |
| Output Voltage Range | 10–30 V DC |
| Nominal Voltage | 24 V DC |
| Output Current per Point | 2 A max |
| Output Current per Module | 12 A max |
| Switching Device | Transistor (electronically protected) |
| Turn-On Time | ~1 ms |
| Turn-Off Time | ~2.5 ms |
| Backplane Current (5V) | ~46 mA |
| Backplane Current (24V) | 0 mA |
| On-State Voltage Drop | ~1.0 V @ 2 A |
| Off-State Leakage Current | ≤1 mA |
| Surge Current | 4 A per point (10 ms) |
| Protection | Electronic short-circuit & overload protection |
| Heat Dissipation | ~2.9 W total |
| Load Type | DC resistive / inductive loads |
| Operating Temperature | 0°C to 60°C |
| Storage Temperature | -40°C to 85°C |
| Dimensions (mm) | 127 × 51 × 152 |
| Weight (kg) | ~0.30 kg |
5. Product Functions and Applications
Functional Description
- Converts PLC logic signals into DC output switching
- Drives external 24V DC industrial devices
- Provides electronic protection against overload and short circuits
- Supports fast switching for real-time control applications
- Enables stable operation in high-current DC load environments
Typical Applications
- Industrial automation production systems
- Solenoid valve control in process systems
- Relay and contactor driving circuits
- Packaging and conveyor systems
- Machine control panels requiring protected DC outputs
- Alarm and indicator control systems
6. Product Advantages
1. Built-in Electronic Protection
Protects against short circuits and overload conditions without external fusing.
2. High Current Capability
Supports up to 2A per channel and 12A per module, suitable for demanding loads.
3. Fast Switching Response
Millisecond-level switching ensures precise control timing.
4. Compact Design
Six-channel layout allows efficient use of PLC rack space.
5. Stable Industrial Performance
Designed for continuous operation in harsh industrial environments.
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-OB16E | DC Output | 16 | Sourcing | 145 × 35 × 140 | 0.35 |
| 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 |
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 |