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The call to the technical support of the seller was somewhat discouraged. Inspection showed that the entire crap is controlled by a small S7-200 with one additional I / O module. Although we did not use the 200 series in our equipment, the PPI adapter was available. Everything is simple – you need to download the software from the controller and see what sets the error to the controller output only burned one, and when it was taken off the controller, the error from the CNC screen disappeared, which, however, did not allow the machine to work.įurther, everything seemed very trivial. I installed Step-7 Micro / Win on my laptop, connected the controller, set up the interface, Uploaded, and then the Password entry window. Attempts by ALBA, SUNRISE, SUNSHINE gave nothing.

Then the superiors asked me to look, although the duties of the deputy chief designer for the process control system of the design institute do not include the maintenance of the machine tool park of the pilot production. I was caused to write this article by the situation with the “ALBA” machine for water-jet cutting of sheet materials, bought at our pilot production facility, supplied by our Chinese colleagues, machine builders from the Sunrise company. The machine worked fine for a couple of years, and suddenly the message “Emergency Stop” appeared on the display of the CNC system and the machine refused to perform any actions.Īt the same time, two red LED lamps flashed beautifully on the control panel in the binary counter mode. Since there was no normal technical documentation, they called the seller’s service center. They answered – send an application, pay the money, after which we will come and see. The proposal, probably, would have been accepted, if the company had not been sitting on the file cabinet, of course, there was no money. How to unlock password s7-200 plc many beginner automation Engineers ask me.