Allen-Bradley 1771-DB/B PLC-5 BASIC Communication Module

AB 1771-DB Basic Module Series B Revision B PLC5 Allen-Bradley

NEW Allen Bradley 1771-DB Series A REV A/D Basic Module AK

New Allen Bradley 1771-DB Basic Module Ser.B

Allen Bradley 1771-DB Basic Module 1771DB, Untested, As Is, Parts Only

1771-DB | Allen Bradley | PLC-5, Basic Module, Used, Ser A

Allen-Bradley 1771-DB BASIC Module for 1771 Series

Allen Bradley 1771-DB BASIC PLC Module Firmware Revision F *Tested*