製品紹介
The Allen-Bradley 1746-IB32 Digital Input Module is a high-density DC input module designed for the SLC 500 (Bulletin 1746/1747) programmable controller platform. It provides reliable acquisition / field-level digital signals and converts them into logic-level data for PLC processing. With 32 discrete DC inputs in a single module, the 1746-IB32 is well suited for control systems that require high I/O density, reduced panel space, and stable long-term operation in industrial environments.
This module is engineered for 24 V DC sink (source load) input applications, supporting a wide input voltage range and ensuring compatibility with common industrial sensors, switches, and control devices. Its robust electrical isolation and noise imm台y help maintain signal integrity even in electrically noisy environments such as manufacturing lines, material handling systems, and process control cabinets.
The 1746-IB32 integrates seamlessly into SLC 500 chassis, allowing fast configuration, straightforward wiring, and predictable performance. It is commonly used in legacy and long-life automation systems where reliability, maintainability, and standardized components are critical.
製品仕様
| Parameter | 説明 |
|---|---|
| Product Series | SLC 500 (Bulletin 1746 / 1747) |
| Component Type | PLC & I/O Module |
| Module Type | Digital Input Module |
| Number / Digital Inputs | 32 channels |
| Digital Input Type | DC, Sink (Source Load) |
| Rated Input Voltage | 24 V DC |
| Digital Input Range | 15 … 30 V DC |
| Input Signal Logic | Sinking input, external sourcing device |
| Operating Temperature (Min) | 0 °C |
| Operating Temperature (Max) | 60 °C |
| Storage Temperature (Min) | -40 °C |
| Storage Temperature (Max) | 85 °C |
| Relative Humidity (Max) | 95 % RH, non-condensing |
| Isolation | Channel-to-backplane electrical isolation |
| Mounting | SLC 500 chassis, slot-based |
| Dimensions | 144.5 × 34.6 × 130.18 mm |
| 重量 | 0.27 kg |
Applications
• Discrete signal monitoring for pushbuttons, selector switches, and limit switches in industrial control panels
• Sensor input acquisition from proximity sensors, photoelectric sensors, and DC field devices
• Material handling systems, including conveyors, sorters, and automated transfer lines
• Packaging and assembly lines requiring high-density digital feedback
• Process automation systems where multiple on//f status signals must be monitored simultaneously
• Legacy SLC 500 installations requiring reliable replacement or expansion / existing digital input capacity
Advantages
• High input density with 32 digital channels in a single module, reducing chassis slot usage
• Wide input voltage range (15–30 V DC) for compatibility with various field devices
• Stable sinking input design suitable for common industrial wiring practices
• Robust environmental tolerance, supporting demanding industrial temperature and humidity conditions
• Seamless integration with SLC 500 controllers and backplanes
• Reduced wiring complexity by consolidating multiple input signals into one module
• Long-term reliability, ideal for continuous operation in mission-critical automation systems
会社情報
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