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1746-IH16 accepts sixteen 125 V DC field inputs in one SLC 500 chassis slot. Its sinking input architecture must be paired with correctly polarized sourcing field devices.
The module uses one common for all sixteen points and an identification-coded removable terminal block. Official installation data specifies a 90–146 V DC operating range and 9 ms maximum input delay.
Application design must observe the published simultaneous-point derating at elevated voltage and temperature. Surge suppression is also required when an input is wired in parallel with an inductive load.
Allen-Bradley 1746-IH16 16-Point 125 V DC Sinking Input Module Manuals, Datasheets, Links
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.





