Control box for all incoming 380v on the left, the right contains solid state relays for control of elevation and azimuth.
There is an additional box for controlling the elevator motor.
Now is a old system, all equipment is now mounted in a 19 " rack.

Control box for all incoming 380v on the left, the right contains solid state relays for control of elevation and azimuth.
There is an additional box for controlling the elevator motor.

I have before truble with water in the az sensor.
Now it fixed. No more water inside.
Butt was not good, some slaks in the gear so I missed about one degree. Now the shaft of the encoder go direkt to the crane rotation.