Description
Description
The Allen-Bradley 1746-IA16 is a high-density digital input module designed for integration within the SLC 500 programmable logic controller system. This module provides 16 individual input points, facilitating the monitoring of AC signals from field devices such as pushbuttons, limit switches, and sensors. Engineered for reliability in industrial environments, it serves as a critical interface between external AC-powered equipment and the SLC 500 processor.
Features
- Provides 16 isolated input points for high-density signal monitoring.
- Compatible with standard SLC 500 chassis configurations.
- Designed for operation within an input voltage range of 85-132 VAC.
- Supports a frequency range of 47-63 Hz, ensuring stable performance across typical AC power grids.
- Status indicators on the front panel provide immediate visual feedback for each input channel.
Technical Specifications
| Manufacturer |
Allen-Bradley |
| Model Number |
1746-IA16 |
| System Compatibility |
SLC 500 |
| Input Points |
16 |
| Voltage Category |
120V AC |
| Operating Voltage Range |
85-132 VAC |
| Frequency Range |
47-63 Hz |
| Weight |
0.45 kg |
Installation Guidelines
- Ensure the SLC 500 system power is disconnected before installing or removing the module to prevent electrical damage or personal injury.
- Verify that the module is firmly seated in the chassis slot and secured using the provided mounting screws to ensure proper backplane connection.
- Route field wiring away from high-voltage AC lines or heavy equipment to minimize electromagnetic interference (EMI).
- Use appropriate shielded cabling for input signals where necessary to maintain signal integrity in high-noise industrial settings.
- Follow standard ESD (electrostatic discharge) precautions when handling the module to protect internal circuitry.
FAQ
What is the primary function of the 1746-IA16?
The 1746-IA16 is a digital input module that detects the status of 16 separate AC input signals and communicates this data to the SLC 500 processor for logic execution.
Can this module be used with DC signals?
No, the 1746-IA16 is specifically designed for 85-132 VAC input signals. Attempting to use this module with DC voltage will result in improper operation or potential damage to the input circuitry.
Is this module hot-swappable?
The SLC 500 system is generally not designed for hot-swapping. We recommend powering down the system before inserting or removing the module to ensure the safety of the backplane and the module components.
