PC RS422 INTERFACE


Posted on Dec 22, 2012

This interface circuit provides electrically isolated RS422 communication interface to the PC serial port the isolation circuit protect the PC from direct connection to hazardous voltages.


PC  RS422  INTERFACE
Click here to download the full size of the above Circuit.

Figure 1 shows the circuit diagram of RS422 interface. Connector K1 is linked to the serial port of the PC, power to the PC side of the circuit is derived from the signal lines DTR and RTS. Positive supply is derived from RTS and negative supply from the




Leave Comment

characters left:

New Circuits

.

 


Popular Circuits

Circuit Reads Encoder Direction of Movement
IR Digital Thermostat for FAN
Mini Alarm Circuit Schematic
Ultrasound Pulser
Proximity Sensor-based Remote Control Remote Control Demonstrator Board
Off Line Telephone Tester
3D Laser Scanner
SINGLE CHIP DIGITAL VOLTMETER
Single-ended four-channel amplifier schematic
Constituted by the PGA103 programmable gain instrumentation amplifier circuit diagram
Chizuru 100Hz channel frequency pulse charging electric bike battery circuit



Top