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- Allen Bradley
- 1746SC-NO8I
- PLC Module/Rack
- USA
- 133 × 108 × 38 mm
- 0.3kg
- Xiamen, China
- New & In Stock
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- 1 Year
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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.
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Allen Bradley 1746SC-NO8I — Detailed Technical Overview
1. Product Introduction
The Allen Bradley 1746SC-NO8I is an analog output module designed for modular PLC systems within the SLC 500 platform. It is a specialty output module used to convert digital control signals from the PLC processor into precise analog current signals for field devices.
This module provides eight independent output channels, each capable of delivering controlled current signals such as 0–20 mA or 4–20 mA. It is commonly used to drive actuators, control valves, variable frequency drives, and other process equipment requiring analog input signals.
Installed directly into the SLC 500 rack, the module communicates via the backplane and ensures real-time signal updates. Its design emphasizes output accuracy, signal stability, and reliable operation in industrial environments.
2. Product Parameters
Technical Specifications
| Parameter | Value |
|---|---|
| Model | 1746SC-NO8I |
| Series | SLC 500 |
| Module Type | Analog Output (Current) |
| Number of Channels | 8 |
| Output Signal Type | Current |
| Output Range | 0–20 mA / 4–20 mA |
| Resolution | 16-bit |
| Output Accuracy | Approx. ±0.1% full scale |
| Load Resistance | Up to 500–750 Ω (typical) |
| Update Time | Approx. 5–10 ms |
| Conversion Type | Digital to Analog (D/A) |
| Output Isolation | Channel-to-backplane isolation |
| Power Consumption | Approx. 3–5 W |
| Status Indicators | Channel status LEDs |
| Operating Temperature | 0 to 60°C |
| Wiring | Removable terminal block |
| Installation Type | Rack-mounted |
| Dimensions (mm) | 133 × 108 × 38 |
| Weight (kg) | 0.3 kg |
3. Product Applications
The 1746SC-NO8I is used in industrial automation systems where precise analog output control is required.
Typical applications include:
- Control of valves and actuators in process systems
- Speed control of drives and motors
- Flow and pressure regulation systems
- Temperature control loops
- Chemical dosing and batching systems
- Industrial automation requiring continuous signal control
It is especially useful in closed-loop control systems where accurate analog output is critical.
4. Product Advantages
High Output Precision
16-bit resolution ensures smooth and accurate control signals.
Multi-Channel Output
Eight independent channels allow simultaneous control of multiple devices.
Stable Current Output
Provides reliable 4–20 mA signals widely used in industrial instrumentation.
Flexible Integration
Easily integrates with various field devices such as drives, valves, and controllers.
Industrial Reliability
Designed for stable performance under electrical noise and temperature variations.
Efficient System Design
Reduces the need for multiple modules by combining eight outputs in one unit.
5. Brand Information
Allen Bradley is widely recognized in industrial automation for producing PLC systems, I/O modules, and control equipment.
Its products are used across manufacturing, energy, and process industries, known for consistent performance and long service life.
6. Product Series
- Series Name: SLC 500
- Category: Analog Output Module
The SLC 500 series is a modular PLC platform that supports flexible configuration. It includes digital, analog, and specialty modules, enabling scalable solutions for industrial automation.
7. Recommended Models (Same Series / Related)
Related Models Table
| Model | Function | Channels | Signal Type | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|---|
| 1746-NO4I | Analog Output | 4 | Current | 145 × 35 × 130 | 0.3 kg |
| 1746-NO4V | Analog Output | 4 | Voltage | 145 × 35 × 130 | 0.3 kg |
| 1746-NIO4V | Analog I/O | 4 | Voltage/Current | 145 × 35 × 130 | 0.3 kg |
| 1746-NI8 | Analog Input | 8 | Voltage/Current | 145 × 35 × 130 | 1.0 kg |
| 1746-NT4 | Temperature Input | 4 | Thermocouple | 145 × 35 × 130 | 0.3 kg |
8. Recommended Popular Models (Same Brand)
Popular Models Table
| Model | Series | Function | Type | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|---|
| 1756-OF8 | ControlLogix | Analog Output | 8-channel | 140 × 112 × 145 | 0.6 kg |
| 1756-IF8 | ControlLogix | Analog Input | 8-channel | 140 × 112 × 145 | 0.6 kg |
| 1769-OF4 | CompactLogix | Analog Output | 4-channel | 118 × 87 × 140 | 0.5 kg |
| 1769-IF4 | CompactLogix | Analog Input | 4-channel | 118 × 87 × 140 | 0.5 kg |
| 1606-XLS240E | Power Supply | DIN Rail PSU | 24V DC | 123 × 50 × 125 | 0.8 kg |