Surplus Unit Working Used 1734-IB8 Ser D FW 3.022 1734-1B8 92406871. Allen Bradley Point I/O 1734-188 1734-I88 96428877 1734-IB8/D Date Varies. PLC POINT 8 Channel 24V DC Sink Input Module. While many Allen Bradley / Rockwell Automation products will have firmware already installed, we makes no representation as to whether a PLC product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application or not.
