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- Allen-Bradley
- 1762-IA8
- MicroLogix AC Input Module
- USA
- 90 x 40 x 87 mm
- 0.209 kg
- Xiamen, China
- New & In Stock
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All our products are priced very favorably because we have our own warehouse and supply.
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Product Overview
The Allen-Bradley 1762-IA8 is a MicroLogix AC Input Module designed to expand the digital input capacity of MicroLogix 1100, 1200, 1400, and 1500 PLC systems. It is used to interface AC field signals from sensors, switches, and control devices into the PLC system for processing in industrial automation applications.
This module provides reliable signal acquisition in compact distributed I/O configurations, making it suitable for machine control and process automation systems requiring additional AC input channels.
Technical Specifications
| Parameter | Details |
|---|---|
| Product Type | AC Input Expansion Module |
| Manufacturer | Allen-Bradley |
| Model | 1762-IA8 |
| Series | MicroLogix 1762 I/O |
| Function | Digital AC signal input expansion |
| Input Voltage Range | 85–265V AC |
| Input Channels | 8 inputs |
| Input Type | AC digital inputs |
| Compatibility | MicroLogix 1100 / 1200 / 1400 / 1500 |
| Mounting Type | DIN rail mounting |
| Communication | Connected via MicroLogix expansion bus |
| Operating Environment | Industrial automation systems |
| Dimensions | 90 × 40 × 87 mm |
| Weight | 0.209 kg |
Function and Working Principle
The 1762-IA8 module converts AC field signals into digital signals readable by a MicroLogix PLC. When an AC voltage is applied to an input channel, the module detects the signal state and transmits it to the PLC processor through the expansion bus.
It enables:
- Monitoring of AC-powered switches and sensors
- Expansion of PLC input capacity
- Reliable signal isolation and conditioning
- Integration of external industrial field devices
Industrial Role
The 1762-IA8 is typically used in:
- Machine control systems
- Conveyor and material handling systems
- Packaging machinery
- Industrial process monitoring
- Retrofit automation expansions
It is used when additional AC input points are required beyond the base PLC unit.
Installation and Integration
- Mounted on DIN rail next to MicroLogix base unit
- Connected via built-in expansion communication bus
- Requires no external communication configuration
- Works directly with PLC ladder logic programs
- Designed for easy plug-and-play expansion
Compatible Systems
- Allen-Bradley MicroLogix 1100 series
- MicroLogix 1200 series
- MicroLogix 1400 series
- MicroLogix 1500 systems
- 1762 I/O expansion modules
Alternative Modules
| Model | Description |
|---|---|
| 1762-IQ8 | DC digital input module |
| 1762-IA16 | Higher density AC input module |
| 1762-OW8 | Relay output module |
| 1762-IF4 | Analog input module |
| CompactLogix I/O modules | Modern scalable I/O platform |
Key Advantages
- Expands PLC input capacity efficiently
- Supports wide-range AC input voltage (85–265V AC)
- Simple integration with MicroLogix systems
- Compact DIN rail design
- Reliable industrial-grade signal detection
- Cost-effective I/O expansion solution
Conclusion
The Allen-Bradley 1762-IA8 MicroLogix AC Input Module is a reliable I/O expansion component designed for MicroLogix PLC systems. With 8 AC input channels and simple integration, it provides an efficient solution for extending control capability in industrial automation applications requiring additional digital signal monitoring.