The Allen-Bradley 1746-IN16 is a 16-point digital input module designed for use with the SLC 500 programmable logic controller (PLC) system. This module provides 16 discrete inputs, allowing the SLC 500 processor to monitor the status of field devices operating at 24V AC/DC. It serves as a reliable interface between industrial sensors, switches, and the control system, facilitating high-speed data acquisition in automated environments.
This module is widely used in industrial automation applications requiring the monitoring of discrete signals, such as limit switches, pushbuttons, proximity sensors, and relay contacts. It is suitable for manufacturing, material handling, and process control systems that utilize the SLC 500 architecture.
| Product Model | 1746-IN16 |
| Manufacturer | Allen-Bradley |
| Input Type | Digital (Discrete) |
| Number of Inputs | 16 |
| Voltage Category | 24V AC/DC |
| System Compatibility | SLC 500 |
| Status | Discontinued by Manufacturer (08/31/2018) |
No, the 1746-IN16 was officially discontinued by Allen-Bradley on August 31, 2018. It is now typically sourced through secondary market channels or as refurbished equipment.
The 1746-IN16 is specifically engineered for the Allen-Bradley SLC 500 series backplane and is not compatible with other PLC families like ControlLogix or CompactLogix.
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