Advantech’s industrial-grade isolated RS-232 to RS-422 or RS-485 converter is now available from the company ... resistors and change RS485 DIR from auto to RST. LEDs indicate data flow direction. Up ...

The RS-232 brand of interface converters addresses legacy industrial networking applications The RS-232 brand of interface converters addresses legacy industrial networking applications.

Two of the oldest interfaces are RS-232 and RS-485. These legacy interfaces ... Some ICs also include dc-dc converters to furnish dual supply voltages (see the table). Data Transmission Circuits ...

Only when a slave output starts to transmit does the adapter become active and transfer that data to the central unit. The adapter circuit consists of two devices (Fig. 1). The RS-485 receiver ...