ProCom RS232 - Manuals

2 Chapter 2 GETTING STARTED POWER REQUIREMENTS: The RS232/RS485 Converter can be powered using any voltage less than 32 volts. The converterconsumes 75 mA. From the converter, a 6 wire line carries the data to and from the remote stations. Twowires send data, two wires receive data, one additional l...

3 line of Data Acquisition and Control Boards, you should remove the resistor networks on all the RS485stations but the last one). The data lines are protected by 4 diodes and 2 Zeners each, which prevent voltages over 6 Volts fromreaching the drivers. CONNECTION TO THE COMPUTER: The RS232/RS485 Con...

4 Chapter 3 TROUBLESHOOTING A very easy way to troubleshoot these boards is to use a jumper wire to join together the BLUE andWHITE lines and another jumper wire to connect the BLACK and YELLOW lines on the 6 positionterminal strip. (Make sure you have no other devices connected on the RS485 lines a...