1.Description:R4M8AO8 is a UART MOS I/O Isolated Signal Converter. User can control R4M8AO8 by UART AT command. It can be used 8-channel input to meet a variety of different application scenarios.2.Features:1>.6 work mode2>.8-Channel TTL signal control3>.AT and UART two programmable control mode4>.Programmable 255second delay control5>.Automatically report input status6>.Output status can be linked7>.Support up to 64 devices in parallel3.Parameters:1>.Product name: R4M8AO8 8Bit MOS I/O Isolated Signal Converter 2>.Work voltage:DC 6V-25V3>.Work current:13mA~225mA4>.Command control mode:AT and UART MODBUS RTU 03 065>.Work mode:ON/OFF/Momentary/Self-locking/Interlock/Delay6>.Input level:Low level signal7>.Delay time:255second(Max and only for MODBUS mode)8>.Work Temperature:-40℃~80℃9>.Work Humidity:10%~90%RH10>.Module Size:136*72*18mm4.Note:1>.Its status is 8-channel Low level signal input MOS Controller.2>.There are so many AT and UART control commands that the page cannot be filled in. After purchase, please contact us to send AT and UART control instructions.5.Application:1>.Data monitoring field2>.Water tank monitor3>.Production line product inspection4>.Counting statistics field6.Package:1>.R4M8AO8 8Bit MOS I/O Isolated Signal Converter