Allen Bradley 1746-OB16/D SLC 500 16‑Channel DC Discrete Output Module

FAQ

Q1: What is the 1746‑OB16/D module used for?
It is a 16‑channel DC discrete output module for the Allen‑Bradley SLC 500 PLC family.

Q2: How many outputs are on the module?
The module provides 16 discrete DC outputs.

Q3: What voltage range can each output handle?
Outputs operate in the approximate 10 – 50 V DC range (nominal 24 V DC system).

Q4: What is the current capacity per output point?
Each output can continuously provide about 0.5 A at 30 °C and about 0.25 A at 60 °C.

Q5: What is the total current capacity of the module?
Total continuous current is approximately 8 A at 30 °C and 4 A at 60 °C.

Q6: What are the response times for the outputs?
Typical ON signal delay is ~0.1 ms and OFF delay ~1 ms.

Q7: What are the physical dimensions and weight?
Approximate dimensions are ~57 mm × 168 mm × 247 mm with a weight of ~0.39 kg.

Q8: Is the 1746‑OB16/D still produced by the manufacturer?
No, it is discontinued and part of the legacy SLC 500 I/O module line.

1746-OB16/D Allen Bradley

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