... IO expansionDistributed Control SystemIntelligent Building ControlPower Automation System3..Dimension4.InstallationIO module for receiving external fault input signals and output control, ... RS485 Communications parameter:BAUD RATE 9600, 19200 (normal 9600)DATA BITS 8PARITY None, Even, Odd (normal None)STOP BITS ... +04+02+00(Ho) +00 (Lo) +crc (word)Data bits format:Ho means high 8–bit , it is Input1 ...