The Allen-Bradley 8500-1746I is a specialized adapter interface module engineered for integration within the 8500 Motors series architecture. This module serves as a robust communication bridge, facilitating the deployment of Bulletin 1746 SLC I/O components in remote configurations. By acting as a localized microcomputer, it manages the bidirectional exchange of control data between the SLC-500 PLC and distributed field instrumentation, providing the flexibility to extend I/O points beyond the physical constraints of the primary control cabinet.
This adapter module is primarily utilized in large-scale industrial automation environments where sensors, actuators, and I/O racks are dispersed across a facility. It is ideal for systems requiring centralized processing with decentralized I/O distribution, ensuring consistent performance in remote monitoring and control tasks.
| Brand | Allen-Bradley |
| Product Series | 8500 Motors / SLC 500 |
| Module Type | Adapter Interface Module |
| Communication Protocol | I/O RING |
| Operating Voltage | 5V DC (Backplane powered) |
| Current Consumption | 470 mA |
| Thermal Dissipation | 2.49 Watts (8.4962 BTU/hr) |
| Operating Temperature | Up to 60 degC (140 degF) |
| Enclosure Rating | IP20 |
What is the primary function of the 8500-1746I module?
It functions as an interface adapter that allows SLC 1746 I/O modules to communicate with an SLC-500 PLC when located in remote chassis configurations.
Does this module require external power?
No, the module is powered via the backplane at 5V DC with a current consumption of 470 mA.
What protocol does this module use for communication?
The module utilizes the I/O RING protocol for high-speed data transmission between the remote I/O and the central controller.
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