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Description
The Allen-Bradley 1756-IB16 is a high-performance digital input module designed for the ControlLogix platform. This module provides 16 input points, supporting a voltage range of 12V to 24V DC. Engineered for industrial reliability, it features sink input operation and electronic keying to ensure correct module insertion and configuration within the chassis.
Features
- 16 isolated digital input channels for versatile signal monitoring.
- Operating voltage range of 10V to 31.2V DC to accommodate varying power supply fluctuations.
- Electronic keying support to prevent incorrect module installation in the ControlLogix backplane.
- Compact design optimized for high-density I/O configurations in industrial control cabinets.
- Low power dissipation of 5.1 W at 60 degC for efficient thermal management.
Applications
This module is widely used in factory automation, process control systems, and machinery management where reliable 12/24V DC signal acquisition is required. It is compatible with standard ControlLogix chassis and integrates seamlessly into complex automation architectures requiring high-speed digital input processing.
Technical Specifications
| Model Number |
1756-IB16 |
| Input Type |
12/24V DC Sink |
| Operating Voltage |
10-31.2V DC |
| Input Points |
16 |
| Power Dissipation |
5.1 W @ 60 degC |
| Current Draw |
10 mA @ 31.2V DC / 2 mA @ 10V DC |
| Manufacturer |
Allen-Bradley |
Installation Guidelines
- Ensure the ControlLogix chassis is powered down before inserting or removing the 1756-IB16 module.
- Verify that the slot is configured correctly for the module type before applying power.
- Use appropriate shielded cabling for input signals to minimize electromagnetic interference (EMI) in high-noise environments.
- Maintain adequate ventilation within the cabinet to ensure the module operates within its specified temperature range.
- Follow local electrical codes and standard grounding procedures for all I/O wiring.
FAQ
Is the 1756-IB16 compatible with all ControlLogix chassis?
Yes, this module is designed for use in any standard ControlLogix chassis, provided the slot is correctly configured and the power supply can support the module's current draw.
What does the electronic keying feature do?
Electronic keying allows the system to verify that the physical module matches the software configuration, preventing operational errors caused by installing the wrong module type in a specific slot.
