Allen Bradley 1746-OB16E SLC 500 16-Channel Electronically Protected DC Output Module

FAQ

Q1: What is the 1746-OB16E module used for?
It is a 16-point DC output module used to control field devices in SLC 500 PLC systems.

Q2: What makes the “E” version different from standard OB16?
It includes electronic fuse protection, helping prevent damage from short circuits or overloads.

Q3: What voltage does the module output?
It operates with DC outputs in the 10–30 V range, typically used with 24 V systems.

Q4: How many outputs are available?
The module provides 16 independently controlled output channels.

Q5: What is the current capacity per channel?
Each output supports up to about 1.0 A at 30 °C, decreasing at higher temperatures.

Q6: What are the physical dimensions and weight?
Approximate size is 55 mm × 170 mm × 245 mm, with a weight of about 0.46 kg.

Q7: What is the switching speed of the module?
Typical ON and OFF response times are around 1 ms.

Q8: Is the 1746-OB16E still available?
No, it has been discontinued and is now part of the legacy SLC 500 platform.

1746-OB16E Allen Bradley

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