Smartgen HGM9510N User Manual page 105

Method 2: Using a relay to directly switch two controllers' GOV, AVR controlling outputs. Its circuit is
simple, but when the main controller and the redundancy controller are switching, the voltage signal
outputs to the GOV could be interrupted and it may arise fluctuation on parts of the genset.
HGM9510N/HGM9530N Paralleled Genset Controller User Manual Page 105 of 116