这是一个兼容MODBUS协议的中间继电器驱动板，可以通过一个上位机发送RS485命令操作24路继电器CODE(24)\RS485.c........\Main.c........\Relay.c........\UART.c........\rs485.o........\Rs485.prj........\RS485.SRC........\RS485.mak........\RS485.lk........\delay.o........\Realy.o........\ALLStruct.h........\Main.o........\UART.o........\UART.lis........\Relay.o........\Relay.lis........\rs485.lis........\delay........\Main.lis........\Realy.lis........\delay.lis........\RS485.hex........\RS485.cof........\RS485.mp........\RS485.dbg........\RS485.lst........\delay.c........\程序说明文档.txt........\RS485_cof.aps........\rs485_cof.aws........\RS485_hex.aps........\sscom.ini........\rs485_hex.aws........\BACKUP\Main.c.120718184322........\......\io._h........\......\Main.c.121219100416........\......\Main.c.121219110530........\......\Main.c.121219133148........\......\main._h........\......\Main.c.121219141946........\......\rs485.c.130128095300........\......\rs485.c.120711175926........\......\rs485.c.121219144906........\......\rs485.c.121219145624........\......\rs485.c.121219145656........\......\rs485.c.121219145710........\......\rs485.c.121219151116........\......\rs485.c.121219151136........\......\rs485.c.121219154838........\......\rs485.c.121219160542........\......\rs485.c.121219160608........\......\rs485.c.121219160624........\......\rs485.c.121219160638........\......\rs485.c.121219160700........\......\rs485.c.121219160708........\......\rs485.c.121219160732........\......\rs485.c.121219160742........\......\rs485.c.121219164720........\......\rs485.c.121219164736........\......\Main.c.121219143824........\......\Main.c.121219144446........\......\rs485.c.121219170530........\......\Main.c.121220094444........\......\rs485.c.121220092254........\......\rs485.c.130128095340........\......\Main.c.121220095842........\......\Main.c.121220101412........\......\rs485.c.130128100314........\......\Main.c.121220110118........\......\delay_ms.c.121220111434........\......\delay_ms.c.121220111744........\......\Main.c.121220111614........\......\Main.c.121220111754........\......\Main.c.121220112252........\......\delay_ms.c.121220112208........\......\Main.c.121220112702........\......\Main.c.121220134028........\......\Main.c.121220135456........\......\Realy.c.120718183622........\......\rs485.c.130128100524........\......\delay.c.121220135410........\......\Main.c.121220135646........\......\Realy.c.121220101416........\......\delay.c.121220140424........\......\rs485.c.121220095844........\......\Main.c.121220135712........\......\rs485.c.121220101414........\......\Main.c.121220152820........\......\Main.c.121220153400........\......\rs485.c.121220153222........\......\Main.c.121220161526........\......\delay.c.121220140500........\......\Main.c.121220162418........\......\delay.c.121220153128........\......\delay.c.121220165432........\......\delay._c........\......\rs485.c.121220154030........\......\Main.c.121220165318........\......\Main.c.121220165738……