Allen Bradley 1769-L23E-QBFC1B QBFCIB ECR CompactLogix Controller Ethernet 512KB
MicroLogix Compact I/O CompactLogix L23E QBFC1B 1769-ECR/A Date Varies. Allen Bradley 1769-L23E-QBFCIB 1769-L23E-Q8FC18 1769-L23E-Q8FCI8. 6 High Speed Counter Input 4 High Speed Counter Output. 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.