Brief introductionThe MWE485-TTL-G can convert the TTL signal into two wires half-duplex RS-485 port Main function·Plus and minus logic of TTL signal can be chosen·Particular protecting circuit for the serial port,plus-and-play supported·Particular technique of serial port power getting of 90% high efficiency Capability parameter Power Supply External power supply DC5V/DC9 30VWorking current <10mABaud rate 30038.4KbpsCommunication distance RS-485 extending communication 1.5KmIsolation protection15Kv static protecting and 600W/ms lightning protecting,2500V photo electricity isolation Weight 48gDimension 110mm×33mm×17mm(with the terminal block)Working temperature -40 85 PIN SettingTTL side DB-9 male pin setting PIN 2 3 5 9Define RX TX GND 5V·PIN 2 RX define as converter receive external signal PIN 3 TX define as converter sent signalRS-485 side DB-9 male pin setting PIN 1 3 5Define A B GND·A connect with equipment RS485 port (485) B connect with equipment RS485 port (485-).
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