My first attempt of the day was to control the stepper motor with the controller. The thought was to supply a square wave to the 'STEP' terminal of the motor driver. I searched the command manual through but was unable to get a solution. I then started trying to use the slot J1 for the servo motor as an input to the driver which I thought should be an Analogue square wave. The wider the pulse the faster the servo turns, whereas the principle of a stepper motor is merely the opposite, the narrower the pulse, the faster the frequency and motor speed.
I moved onto trying to read the voltage from the sensor. I have firstly configured the I/O ports of the extension board, then read the analogue input from port 1 with the code MG @AN[1]. I have used the +12V power supply on the extension board to power the load cell, but the reading is steady despite of the force I apply. I tried to read some other ports and see if I can find out what has gone wrong, however all other ports read 0. I then reset the controller wishing it would help. Unfortunately, after resetting, the total number of available ports had decreased, and port configuration using the command CO had no effect.
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