Hi everyone, there are a moeller PS416 CPU223 in my hand, so I tried to upload the program from PS(PLC) to DRIVE(computer) without original program, and I have obtained computer which appropriate condition for communication, UM1.5, sucosoft S30 version 2.30. After connection done, it could control the running and stop of PS. But screen appeared message "the connection between PS and PRG is interrupted" after 30 seconds transfer PS to DRIVE. I don't known what element would interrupt the communication, and how to upload program from ps to prg without original code? Someone help me to result the trouble timely, thanks here!