Description
The Allen-Bradley 1746-HT is a specialized termination panel designed for use within the SLC 500 control system architecture. This module provides a robust interface for field wiring, facilitating the connection of high-speed I/O, encoders, and drive signals to the controller backplane. By consolidating field connections, the 1746-HT simplifies system maintenance and improves signal integrity in demanding industrial environments.
Features
- High-speed input capability supporting frequencies up to 250 kHz.
- Supports integration with E-stop circuits, encoders, and drive control systems.
- Designed for efficient rack mounting within standard SLC 500 configurations.
- Provides external power distribution for 5VDC, 15VDC, and 24VDC requirements.
- Reduces wiring complexity through centralized signal termination.
Technical Specifications
| Product Model |
1746-HT |
| Function |
Termination Panel |
| Input Frequency |
250 kHz |
| Backplane Current (5VDC) |
200 mA |
| Backplane Current (24VDC) |
90 mA |
| Mounting |
Rack |
| Tariff Code |
8537101190 |
Installation Guidelines
- Ensure all power is disconnected from the SLC 500 backplane before installing or removing the 1746-HT module to prevent electrical damage.
- Verify that the rack slot is free of debris and that the module is properly seated in the chassis guide rails.
- Use appropriate shielded cabling for high-speed encoder and drive signals to minimize electromagnetic interference (EMI).
- Maintain proper grounding practices to ensure signal stability, especially when interfacing with external 5V, 15V, or 24V power sources.
- Follow local electrical codes for all field wiring terminations to ensure safe operation.
FAQ
What is the primary function of the 1746-HT?
The 1746-HT acts as a termination panel for the Allen-Bradley SLC 500 system, specifically engineered to manage high-speed I/O signals, such as those from encoders or drives, while providing necessary voltage levels to field devices.
Is this module compatible with standard SLC 500 racks?
Yes, the 1746-HT is designed for integration into the SLC 500 rack-based system, allowing for seamless communication with the controller backplane.
