Allen-Bradley 1756-OB16E Digital I/O Module

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Allen-Bradley 1756-OB16E Digital Output Module

1. Product Overview

The 1756-OB16E is a 16-channel digital output module from the ControlLogix series, designed for industrial automation applications. This module provides 24V DC sourcing outputs and supports high-density output configurations, making it ideal for precise control in demanding industrial environments.

2. Key Features

1. 16-Channel Sourcing Output

   • Each channel supports 24V DC output

   • Maximum current per channel: 0.5A

   • Total module current: 8A

2. High-Reliability Design

   • Electronic fuse protection (per channel)

   • Short-circuit/overload protection

   • Reverse polarity protection

3. Diagnostics & Status Indicators

   • Individual LED status indicators per channel

   • Module-level communication/fault diagnostics

4. Industrial Durability

   • Operating temperature range: -40°C to +70°C

   • Protection rating: IP20

   • Vibration/shock resistance: Complies with IEC 60068-2 standards

5. Flexible Configuration

   • Supports ControlLogix backplane communication

   • Compatible with RSLogix 5000/Studio 5000 programming environment

3. Technical Specifications

4. Typical Applications

• Manufacturing Automation: Robotic arm control, assembly lines

• Energy Management: Switching control in power distribution systems

• Process Control: Valve/pump control

• Transportation: Signal control systems

5. Installation & Precautions

1. Electrical Specifications

   • Use 18-22 AWG shielded cables

   • Ensure proper grounding to reduce noise

2. Load Matching

   • Do not exceed 0.5A per channel or 8A total module current

3. Environmental Requirements

   • Avoid use in condensing/dusty environments (IP20 limitation)

4. Compatibility Verification

   • Must be used with 1756 series backplane

   • Firmware version must match the controller

6. Troubleshooting Tips

• Red LED flashing: Check power/communication connections

• Single channel failure: Verify for short-circuit loads

• Module overheating: Ensure ambient temperature ≤70°C

The structure and details of the product：

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