DI八路DO开关量转RS485/232远程I/O模块/采集模
0-5V/0-10V转RS4..
4-20mA转RS485隔离..
4-20mA转RS485/0..
RS485转0-5v、DA转..
开关量信号转RS485/总线..
DI八路DO开关量转RS48..