Allen Bradley 1747-L551 Ser C 1747-OS501 C FRN 11 SLC 500 5/05 CPU Processor 16K
(Surplus Unit Working Used 1747-L551 Ser C 1747-OS501 Ser C FRN 11. 16K words total 12K words for data or prog) 4K words for data). Allen Bradley SLC 500 1747L551 1747OS501 1747-L551/C Date Varies. 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.
Allen Bradley 1747-L551 Ser C 1747-OS501 C FRN 10 SLC 500 5/05 CPU Processor 16K
(Surplus Unit Working Used 1747-L551 Ser C 1747-OS501 Ser C FRN 10. 16K words total 12K words for data or prog) 4K words for data). Allen Bradley SLC 500 1747L551 1747OS501 1747-L551/C Date Varies. 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.
Allen Bradley 1747-L551 Ser C 1747-OS501 C FW 13 SLC 500 5/05 CPU Processor 16K
(16K words total 12K words for data or prog) 4K words for data). Allen Bradley SLC 500 1747-OS501 1747-0S501 1747OS501 1747-L551/C Date Varies. Surplus Unit Working Used 1747-L551 Ser C FRN 13 1747L551 PN-285320.