Allen Bradley 1756-PLS Programmable Limit Switch Module

FAQ

Q1: What is the main function of the 1756-PLS module?
It monitors machine position using a resolver and controls outputs based on programmable limit positions.

Q2: How many inputs and outputs does it provide?
It includes 16 digital inputs and 16 digital outputs.

Q3: What type of feedback device does it use?
It uses a resolver for position feedback, supporting sine and cosine signals.

Q4: How is the module installed in a chassis?
It requires three contiguous slots in a ControlLogix chassis.

Q5: What voltage range is supported for digital inputs?
The inputs operate within approximately 10–31.2 V DC.

Q6: Is this module still available for purchase?
No, it has been discontinued with no direct replacement announced.

Q7: What are typical industrial applications?
It is commonly used in packaging, material handling, and automated production systems.

Q8: What are the physical size and weight of the module?
It measures about 140 mm × 112 mm × 145 mm and weighs around 1.09 kg.