Allen Bradley 1746-IB16 SLC 500 16‑Channel DC Digital Input Module

FAQ

Q1: What is the 1746‑IB16 module used for?
It is a digital DC sinking input module that reads 16 discrete DC field signals.

Q2: What voltage does this module operate at?
The module uses 24 V DC nominal with a 10–30 V DC operating range.

Q3: How many inputs are on the 1746‑IB16?
There are 16 sinking input channels.

Q4: What is the input current requirement?
Each channel draws about 8 mA at 24 V DC.

Q5: What are the physical size and weight?
About 127 mm × 51 mm × 152 mm and ~0.27 kg.

Q6: What is the typical signal delay?
Signal ON and OFF transitions are approximately 8 ms.

Q7: Is the module still manufactured?
No, it was discontinued at the end of 2021.

Q8: What kind of wiring connections does it use?
It uses a removable terminal block (1746‑HT) with a header cable (1746‑HCA).

1746-IB16 Allen Bradley

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