The 1715-TADOB8DE Allen-Bradley 8 Pt Duplex D/O Termination Assembly is a field wiring interface component designed for Bulletin 1715 Redundant I/O systems. Rather than processing control signals itself, this assembly provides the connection point between field wiring and compatible digital output modules.
In industrial automation installations, termination assemblies play an important role in organizing cabinet wiring and simplifying connections between field devices and I/O hardware. The 1715-TADOB8DE is designed specifically for duplex digital output applications, supporting installations where redundant I/O architectures are used for higher availability control systems.
This component is typically maintained as part of an existing Allen-Bradley 1715 system inventory. It may be required during cabinet assembly, system expansion, replacement of damaged termination hardware, or maintenance activities involving digital output field connections.
Technical Specifications
| Parameter | Specification |
|---|---|
| Brand | Allen-Bradley |
| Product Family | Bulletin 1715 Redundant I/O System |
| Model | 1715-TADOB8DE |
| Product Type | Digital Output Termination Assembly |
| Function | Field Wiring Termination Interface |
| I/O Type | Digital Output |
| Channel Capacity | 8 Points |
| Configuration | Duplex |
| System Compatibility | Allen-Bradley Bulletin 1715 |
| Application | Redundant I/O Systems |
| Installation Location | I/O Chassis / Field Wiring Assembly |
| Connection Purpose | Field Device Wiring Interface |
| Signal Type | Digital Output |
| Component Category | I/O Accessory |
| Mounting Type | System Installation Component |
Design Purpose
The 1715-TADOB8DE is designed for applications where digital output circuits require a structured termination arrangement.
The assembly supports:
- Organized cabinet wiring
- Simplified field connection management
- Duplex output configurations
- Replacement of existing termination hardware
- Consistent installation within Bulletin 1715 systems
Unlike active I/O modules, this component does not execute logic or convert signals. Its purpose is to provide the physical interface required for reliable field connections.
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Position in the 1715 I/O Architecture
The 1715-TADOB8DE is located between the field wiring side and the digital output module side of a redundant I/O installation.
A typical signal path includes:
| System Layer | Function |
|---|---|
| Control System | Executes application logic |
| 1715 I/O Module | Handles digital output processing |
| 1715-TADOB8DE | Provides termination and field connection |
| Field Devices | Receive output signals |
The termination assembly helps separate field wiring activities from module replacement tasks, allowing maintenance personnel to work with organized connection points rather than directly handling individual module terminals.
FAQ
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