Dear Members,
I'm facing a strange problem with a micro-automation project done in Siemens S7-1200 PLC.
The small program I wrote compiles perfectly, and downloads successfully. But the CPU does not go into RUN mode. Diagnostics buffer shows "New startup inhibit information - Current CPU...
We have an Allen Bradley ControlLogix 5000 system operating for about eight months. It controls a stamping machine. anyway, it broke down on December 28, 2009. Then suddenly started to work from the next day morning. No surprise that it has broken down again two days ago, after running for...
Hi all,
We have replaced a DC motor with an induction motor, in a cigarette packaging line. All mechanical and electrical work have been done successfully, and the product line is working fine with the new motor and drive. Except one thing. When stopped, the motor is not braking as quickly...
I need to design a drive for testing a 3-phase stepper motor.
I was familiar with 2-phase PM stepper motors, and desgined drives for them (7 years ago). Never worked with these after finishing BSc. I am confortable with full-step/half-step driving of steppers. However, now I see that...
