Description
Description
The Allen-Bradley 1746-IO12 is a combination I/O module designed for the SLC 500 programmable logic controller system. This module provides a compact solution for control applications requiring both discrete input monitoring and relay-based output control within a single slot of the SLC 500 chassis.
Features
- Integrated design featuring 6 discrete inputs and 6 relay outputs.
- Input voltage compatibility rated for 120 VAC operation.
- Flexible output voltage range supporting 24-125 VDC or 120-240 VAC loads.
- Designed for seamless integration with the SLC 500 backplane.
- Compact form factor optimized for rack-based industrial control environments.
Applications
This combination module is suitable for various industrial automation tasks, including machine control, process monitoring, and small-scale relay logic operations where space in the controller chassis is limited.
Technical Specifications
| Product Model |
1746-IO12 |
| Input Points |
6 |
| Input Voltage |
120 VAC |
| Output Points |
6 |
| Output Type |
Relay |
| Output Voltage Range |
24-125 VDC / 120-240 VAC |
| Backplane Current Draw |
70-90 mA |
| Manufacturer |
Allen-Bradley |
Installation Guidelines
- Ensure the SLC 500 chassis power is disconnected before installing or removing the module.
- Verify that the module is fully seated in the chassis slot to ensure proper backplane connection.
- Use appropriate shielded cabling for input signals to minimize electromagnetic interference (EMI).
- Maintain adequate clearance around the module to allow for proper ventilation and heat dissipation.
- Follow all local electrical codes and safety standards regarding AC voltage wiring and relay load protection.
FAQ
Is the 1746-IO12 still in production?
No, this model has been discontinued by the manufacturer. We provide high-quality surplus or refurbished units to support legacy system maintenance.
What is the primary function of this module?
The 1746-IO12 serves as a combination module, allowing the SLC 500 system to interface with 120 VAC sensors while simultaneously controlling external devices through its onboard relay outputs.
