The Allen-Bradley 1746-IB32 Digital Input Module is a high-density 32-channel DC input module designed for the SLC 500 programmable controller platform. Manufactured by Rockwell Automation, it provides reliable signal acquisition from field devices and sensors used in industrial automation systems.
This module is commonly used in manufacturing, process control, and machine automation applications where a large number of digital inputs are required within limited panel space. Its compact modular design allows efficient integration into SLC 500 chassis systems, making it ideal for high-density control architectures and factory automation environments.
Key Features of Allen-Bradley 1746-IB32 Digital Input Module
- 32 digital DC input channels for high-density input applications
- Designed for the SLC 500 modular PLC platform
- Supports 24V DC sink/source input devices
- High-density module design reduces panel space requirements
- Compatible with SLC 500 chassis systems
- LED indicators for individual input channel status monitoring
- Fast signal response for accurate device detection
- Optical isolation between field inputs and backplane circuitry
- Supports industrial sensors, switches, and push buttons
- Removable terminal block for simplified field wiring
- Reliable performance in harsh industrial environments
- Compact modular construction for easy installation
- Low backplane current consumption for efficient operation
- Supports factory automation and machine control systems
- Easy maintenance and module replacement capability
Technical Specifications of Allen-Bradley 1746-IB32 Digital Input Module
| Parameter | Specification |
|---|
| Manufacturer | Rockwell Automation |
| Brand | Allen-Bradley |
| Product Family | SLC 500 Series |
| Model Number | 1746-IB32 |
| Product Type | Digital DC Input Module |
| Number of Inputs | 32 Channels |
| Input Voltage Category | 24V DC |
| Input Voltage Range | 10–30V DC |
| Backplane Current | 0.085 A at 5V DC |
| Signal Delay (ON) | Approx. 8 ms |
| Signal Delay (OFF) | Approx. 8 ms |
| Isolation Voltage | 1500V AC |
| Mounting | SLC 500 Chassis |
| Wiring Connection | Removable Terminal Block |
| Operating Temperature | 0 to 60 °C |
| Storage Temperature | -40 to 85 °C |
| Relative Humidity | 5% to 95% Non-Condensing |
| Dimensions | 145 × 35 × 142 mm |
| Weight | Approx. 0.23 kg (0.5 lbs) |
Package Includes
Standard package contents generally include:
- 1 × Allen-Bradley 1746-IB32 Digital Input Module
- Industrial protective packaging
- Factory identification label
- Inspection or quality assurance documentation
- Anti-static protective covering
Origin, Dimensions & Weight
- Origin: USA
- Dimensions: 145 × 35 × 142 mm
- Weight: Approx. 0.23 kg
Applications
The Allen-Bradley 1746-IB32 Digital Input Module is commonly used in:
- Manufacturing and assembly line automation
- Material handling and conveyor control systems
- Water and wastewater treatment plants
- Packaging and labeling machinery systems
- Food and beverage processing industries
- Pharmaceutical and chemical processing plants
- Oil and gas monitoring and control systems
- Power generation and utility automation
- Remote monitoring and SCADA-based systems
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