Product Overview
The Allen-Bradley 1746-NO4I is a high-precision analog output module designed for seamless integration with Allen-Bradley’s SLC 500 modular PLC system. As a critical component in industrial automation, the 1746-NO4I converts digital control signals from the PLC into precise analog outputs, enabling accurate control of valves, motors, and other analog devices in manufacturing, process control, and energy management applications. Its rugged construction ensures reliable performance in harsh industrial environments, while its flexible configuration options simplify system setup and calibration. Whether regulating pressure in chemical processing or controlling speed in conveyor systems, the Allen-Bradley 1746-NO4I delivers consistent precision, making it an essential tool for maintaining operational efficiency.
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Technical Specifications
| Parameter | Value |
|---|---|
| Product Model | Allen-Bradley 1746-NO4I |
| Manufacturer | Allen-Bradley (Rockwell Automation) |
| Product Type | Analog Output Module |
| Output Channels | 4 isolated analog outputs |
| Output Ranges | 4-20 mA, 0-20 mA, 0-10 VDC (configurable per channel) |
| Accuracy | ±0.1% of full scale (at 25°C) |
| Operating Temperature | 0°C to 60°C |
| Mounting Type | SLC 500 chassis (1746 series) |
Key Features and Benefits
The Allen-Bradley 1746-NO4I is engineered to deliver precise analog control in industrial systems, combining flexibility and reliability to meet the demands of complex automation tasks. Its 4 isolated output channels prevent signal interference, ensuring accurate voltage and current outputs even in electrically noisy environments—critical for applications like proportional valve control or variable speed drive regulation.
A key advantage of the 1746-NO4I is its configurable output ranges, allowing each channel to be independently set to 4-20 mA, 0-20 mA, or 0-10 VDC. This versatility eliminates the need for multiple specialized modules, reducing inventory costs and simplifying system design. The module’s high accuracy (±0.1% of full scale) ensures tight control over connected devices, minimizing process variability and improving product quality.
Durability is built into the 1746-NO4I’s design, with a wide operating temperature range (0°C to 60°C) and resistance to vibration and shock, making it suitable for harsh industrial settings. Integrated diagnostics provide real-time alerts for faults such as overcurrent or open circuits, enabling quick troubleshooting and reducing downtime.
Seamless integration with the SLC 500 platform and RSLogix 500 programming software ensures straightforward setup and calibration. Backed by a one-year warranty and our expert technical support, the Allen-Bradley 1746-NO4I offers long-term reliability, with pre-sales assistance for system design and post-sales support for optimization.
Related Models
- Allen-Bradley 1746-NI8 – 8-channel analog input module, commonly paired with the 1746-NO4I for complete analog I/O functionality in SLC 500 systems.
- Allen-Bradley 1746-NO8I – 8-channel analog output module, an expanded version of the 1746-NO4I for applications requiring more outputs.
- Allen-Bradley 1746-A10 – 10-slot SLC 500 chassis that houses the 1746-NO4I and other modules, providing a centralized mounting solution.
- Allen-Bradley 1747-L532 – SLC 500 processor module fully compatible with the 1746-NO4I, enabling precise control logic execution.
- Allen-Bradley 1746-P2 – Power supply module that provides stable power to the 1746-NO4I and other modules in the SLC 500 chassis.
- Allen-Bradley 1756-OA16I – ControlLogix analog output module, a higher-performance alternative to the 1746-NO4I for larger-scale systems.
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