View Full Version : help me out

07-28-2012, 01:37 AM
need help can any one give me sequencing so i can try out my RS-485 Eight Channel Relay Controller. Control devices using your PC. RS485 BUS ID: 05, Relays: 33 - 40. i been at this for two mounth and i can only light up each raly manual by use the hex ff 01 00 and sp help me out please thank you