E820-DTU(2I2-433L)-V8 RS485 analog signal transmission

[Introduction]：E820-DTU(2I2-433L)-V8 is a remote-controlling device supporting analog quantity following, controlling, and collecting. Under controlling and collecting mode, it supports Modbus RTU protocol. This product features easy-to-use, and it can be integrated into user systems so as to realize remote wireless controlling via 433MHz band.