Gp2500-tc41-24v and PLC download line
500-tc41-24v and computer communications line, the computer for the 9 pin serial port, used to download and upload pictures.
C500-CPU11 I-O setting error
500-CPU11-EV1 because the battery and the program is lost, with a copy of the syswin3.4 good program to the PLC above, report the results of I/O (I/O SETTING ERROR) setting error, program is from the