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- Allen Bradley
- 1762-IQ16
- MicroLogix DC Input Module
- USA
- 90 x 40.4 x 87 mm
- 0.23 kg
- Xiamen, China
- New & In Stock
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Our products are imported in bulk from the place of origin. Because of the cooperative relationship, our products are all original and 100% new.
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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-IQ16 MicroLogix DC Input Module is a 16-point digital input expansion module designed for MicroLogix PLC systems used in industrial automation.
It is used to collect 24V DC discrete signals from field devices such as sensors, switches, and relays, and transmit them to a PLC controller for real-time process monitoring and control. The module is part of the MicroLogix 1200/1400 expansion I/O family and is widely applied in compact control systems where reliable signal acquisition and fast response are required.
Its compact design, stable electrical isolation, and flexible sinking/sourcing input configuration make it a widely used industrial input module.
Technical Specifications
| Parameter | Details |
|---|---|
| Manufacturer | Allen-Bradley (Rockwell Automation) |
| Model | 1762-IQ16 |
| Product Type | MicroLogix DC Input Module |
| Input Type | 24V DC sinking/sourcing |
| Number of Inputs | 16 points |
| Input Voltage Range | 10–30V DC |
| Input Current (ON state) | 8–12 mA typical |
| Signal Delay | Approx. 8 ms |
| Input Grouping | 2 isolated groups (8 channels each) |
| Electrical Isolation | Input-to-backplane isolation |
| Mounting Type | MicroLogix PLC expansion / DIN rail |
| Wiring Method | Screw terminal connection |
| Dimensions | 90 × 40.4 × 87 mm |
| Weight | 0.23 kg |
| Application | Industrial PLC digital signal acquisition |
| Operating Environment | Industrial control systems |
Function and Working Principle
The 1762-IQ16 functions as a digital signal acquisition interface between field devices and PLC control systems.
Its operation includes:
- Receiving 24V DC ON/OFF signals from field devices
- Converting electrical signals into digital logic states
- Transmitting input data to the MicroLogix PLC processor
- Providing electrical isolation between field wiring and control logic
- Filtering noise and stabilizing signal detection in industrial environments
Each input channel operates independently, allowing simultaneous monitoring of multiple field signals.
Role in Industrial Control Systems
Within automation systems, the 1762-IQ16 serves as a front-end digital input expansion module.
It is commonly used to connect:
- Proximity sensors
- Limit switches
- Push buttons
- Relay contacts
- Safety interlocks
- Machine status signals
It enables accurate real-time monitoring of machine and process conditions.
Industrial Applications
The Allen-Bradley 1762-IQ16 is widely used in:
- Industrial automation systems
- Machine control systems
- Manufacturing production lines
- Packaging machinery
- Material handling systems
- Small and medium PLC control panels
- Process monitoring systems
It is especially suitable for compact PLC systems requiring high-density digital input acquisition.
Installation and System Integration
Proper installation ensures reliable performance:
- Mounted on MicroLogix PLC backplane or DIN rail system
- Connected via screw terminal wiring
- Powered through PLC system backplane
- Installed inside industrial control cabinets
- Requires proper grounding and shielding practices
Correct wiring and configuration ensure stable signal performance and reduced electrical noise.
Compatible System Components
The 1762-IQ16 typically works with:
- MicroLogix 1100 / 1200 / 1400 PLC controllers
- 1762 expansion I/O modules
- Digital output modules
- Industrial sensors and switches
- Relay interface modules
- PLC communication modules
It functions as a key input module in MicroLogix PLC architectures.
Recommended Alternative Models
| Model | Type | Key Feature | Application |
|---|---|---|---|
| 1762-OW16 | Digital output module | Output control | Actuator systems |
| 1762-IF4 | Analog input module | Analog signal processing | Process control |
| 1769-IQ16 | CompactLogix input module | Higher platform capability | Advanced PLC systems |
| 1794-IB16 | Flex I/O input module | Distributed I/O architecture | Modular automation |
| Siemens DI modules | PLC input modules | Alternative ecosystem | Industrial control systems |
Key Advantages
- 16-channel high-density digital input design
- Fast signal response (~8 ms)
- Strong electrical isolation for safety
- Compact industrial-grade structure
- Flexible sinking/sourcing compatibility
- Reliable performance in noisy environments
Technical FAQs
What is the main function of the 1762-IQ16?
It collects 24V DC digital signals from field devices and sends them to a MicroLogix PLC.
What type of signals does it support?
It supports sinking and sourcing 24V DC digital inputs.
Where is it used?
It is installed in PLC control cabinets for industrial automation systems.
How many inputs does it have?
It provides 16 discrete digital input channels.
Conclusion
The Allen-Bradley 1762-IQ16 MicroLogix DC Input Module is a reliable industrial digital input expansion module designed for efficient signal acquisition in PLC-based automation systems. With 16 input channels, fast response time, and strong electrical isolation, it ensures stable and accurate monitoring of field devices in industrial environments.
For engineers and system integrators, it remains a proven solution for compact PLC input expansion and dependable industrial control system integration.