Allen-Bradley 1771-WA PLC I/O Wiring Interface Module

FAQ

Q1. What is the 1771-WA used for?
It is used as a wiring interface between field devices and compatible 1771 I/O modules in PLC-5 systems.

Q2. Which modules is it compatible with?
It is used with specific 1771 analog and digital I/O modules that require WA-style wiring arms.

Q3. What is its main function?
It simplifies wiring by providing a removable terminal interface for field connections.

Q4. How is it installed?
It mounts directly on the front of the I/O module within the 1771 chassis.

Q5. What wire sizes does it support?
Typically supports 22–14 AWG wiring depending on terminal configuration.

Q6. Is it an active electronic module?
No, it is a passive wiring interface only.

Q7. What are the physical dimensions?
Approximately 152 mm × 51 mm × 102 mm.

Q8. What is the weight?
Approximately 0.3 kg (0.66 lbs).

1771-WA Allen Bradley

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