Product Introduction
The Allen Bradley 1746-IM16 Digital Input Module is an industrial-grade AC digital input module designed for reliable signal acquisition in SLC 500 PLC systems. It provides 16 high-voltage AC digital input points, enabling stable monitoring of field devices operating at standard industrial AC levels.
This module is optimized for 170–265 V AC input signals, making it suitable for direct connection to switches, relays, and AC control circuits without additional signal conditioning. The 1746-IM16 integrates seamlessly into SLC 500 racks, ensuring consistent and dependable operation in demanding industrial environments.
Product Specifications
| Parameter | Description |
|---|---|
| Product Series | SLC (Bulletin 1746 / 1747) |
| Component Type | PLC & I/O |
| Product Type | Digital Input Module |
| Model Number | 1746-IM16 |
| Number of Digital Inputs | 16 |
| Input Type | AC Digital Input |
| Digital Input Range | 170 – 265 V AC |
| Rated Input Voltage | 220 / 240 V AC |
| Input Signal Type | Digital |
| Operating Temperature (Max) | 60 °C |
| Operating Temperature (Min) | 0 °C |
| Storage Temperature (Max) | 85 °C |
| Storage Temperature (Min) | -40 °C |
| Relative Humidity (Max) | 95 % RH (non-condensing) |
| Installation Type | PLC rack mount |
| Electrical Protection | Integrated surge and noise suppression |
| Dimensions | 144.5 × 34.6 × 130.18 mm |
| Weight | 0.11 kg |
Applications
• Used in SLC 500 PLC systems for high-voltage AC digital signal acquisition
• Monitors AC switches, relays, contactors, and control signals
• Applied in industrial machinery control panels
• Suitable for process automation systems using 220–240 V AC logic
• Integrated into factory automation and material handling systems
• Used in power and utility-related control applications
Advantages
• High-voltage AC input support, eliminating the need for external signal converters
• 16-point input density, reducing module count in PLC racks
• Wide input voltage range, ensuring stable detection across AC fluctuations
• Industrial-grade reliability, suitable for harsh operating environments
• Integrated noise suppression, improving signal integrity
• Seamless compatibility with Allen Bradley SLC 500 PLC platforms
• Stable performance under continuous-duty operation
Excellent PLC
