I am developing a system in which I have to integrate hardware. I am from computer background, so I don't have much knowledge about hardware systems.
The issue is I have to integrate with London based taximeter with MR400S model. This taximeter gives output according to RS485 system. My application is on PC and I want to receive signal from this taximeter. My PC can read data from RS232 cable. I have RS232 cable so I have connected the RX and TX of taximeter to TX and Rx of cable. But my PC is not detecting this hardware, so can anyone help me solve this issue?
Best Answer
RS485 is not compatible with RS232 hardware wise at all. RS485 uses a balanced, differential 2-wire or 4-wire transmission/reception circuit. RS232 uses single ended transmit and receive wires (and ground) and has no facility to accept 485 without a 485 converter.