[Acquisition type]：analog

[Acquisition range]： 0~20mA

[Interface type]： RS485

[Acquisition channels]：4

[Product size]：108*75*37mm

[Product weight]：225±5g

[Introduction]：E820-AIO series is our company's analog signal acquisition series. This series uses RS485 communication network to transmit the analog signals of scattered field data points to the host through AD conversion or control the remote main site by PC. It has a watchdog safety design (0.2s reset) and will not crash. The product is sprayed with three anti-paint, with "anti-mold", "anti-humidity" and "anti-salt spray" functions.