Ok! working with a AB SLC 500 (24vdc power supply, 5vdc in/out put cards) had gotten a blinking fault @ processor, reboot it no good, went to hook up my laptop killed power supply(s) yes tried 3 drained them dead! still have fault any suggestions!
Power Supply-AB SLC500 CAT: 1746-P3-line voltage (19.2vdc-28.8vdc)-SER-A-SLC 5/02
Processor- CAT 1747-2524-SER-C- FAC1M - FRM 7 SER#1.524-0595A3965