USB - PPI cables and old-fashioned S7-200 PLC communication matters needing attention
USB - PPI cables and old-fashioned S7-200 PLC communication matters needing attention
Date:2017-10-25 | Click Rate:1172

Are the current domestic production of the USB - PPI cable USB virtual serial port, and early series S7-200 PLC CPU21X communication there may be some problems, the solution is as follows: