1746-IB16 Medium density DC input module Auxiliary contacts for contactors and other electronic devices

The Allen-Bradley 1746-IB16 is an SLC500 module with sixteen (16) discrete input channels. It has one (1) set of input channels and can operate at a nominal signal voltage of 24VDC with an operating voltage range of 10-30VDC. It is compatible with any SLC500 chassis.
1746-IB16 Supports only the irrigation line configuration. It is used to connect electrical components such as switches, including limit, approach, push button devices, and auxiliary contacts for relays, contactors, and other electronic devices. Each input channel of the 1746-IB16 exhibits a public signal delay duration of 8 ms in both on and OFF transitions, with a maximum OFF state voltage of 5VDC and a maximum OFF state current of 1 mA, compared to the module's nominal input current of 8 Ma@24VDC.

1746-IB16 The number of installed instances varies depending on the SLC500 CPU installed. Specifically, it depends on the amount of I/O supported by the CPU memory. The module can also be installed locally, on racks with SLC 500 cpus or in distributed I/O enclosures, and on 1746 communication adapters such as Remote I/O (RIO) and Ethernet adapter modules. The module has a status LED indicator that indicates the startup status of each input channel to simplify monitoring and troubleshooting. It also has removable terminals for easy termination and module replacement.

The 1746-IB16 has a maximum signal delay time of 8ms at ON and OFF conversions, while the module has a maximum voltage drop voltage of 5V DC in the OFF state. It has a maximum leakage current of 1mA and a nominal input current of 8mA (24V DC) for the entire module.

The 1746-IB16 has a net heat dissipation of 0.22W per input point and a total heat dissipation of 3.6W for the entire module. It operates in a temperature range of 0 to 60 °C (32 to 140 °F) with an ambient relative humidity of 5-95% and should be stored in a temperature range of -40 to 85 °C (-40 to 185 °F) when not in use. The 1746-IB16 has a test operating shock rating of 30G and is designed to withstand operating vibrations of 2.5G at operating frequencies of 57-200 Hz. It has NEMA standard ICS 2-230 noise resistance rating and meets UL-A196, CSA and C-UL Class I Class 2 hazardous environment rating. It provides 1500V electro-optic isolation testing between input terminals and control logic and is UL, CSA and CE certified.