Allen-Bradley 1771-DB Basic Module

Allen Bradley 1771-DB PLC 5 Communication Module Model Rev A/D

Allen-Bradley 1771-DB Basic Module

Allen-Bradley 1771-DB/B Basic Module Series B Firmware Rev. C 1771/DB

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

Allen-Bradley I/O Basic Module 1771-DB Rev.A/Ser.C USED

Allen Bradley 1771-DB Revision A/F PLC 5 Communication Module FNOB

ALLEN-BRADLEY 1771-DB BASIC MODULE USED FREE SHIPPING!!!!!!!!!!!!!!!!