A53 Z0 9 0020 L En Technical documentation
6.4
Semi-automatic mode
Semi-automatic mode could be compared to an automatic mode with manually triggered transitions using
front panel control buttons. When semi-automatic mode is selected, it replaces standard TEST mode. In
this case TEST mode is not available anymore. Semi-automatic mode is activated by setting parameter
E1614 to 1 (Menu Configuration / Special functions / Inhibition variables).
Use TEST button to switch to semi-automatic mode.
START button will automatically start the engine. The whole standard starting sequence is
performed, and then the engine is let running at nominal speed without any other action from GENSYS 2.0.
STOP button will stop the engine without performing any cool down sequence.
1/ Once the generating set is running, the open/close generator breaker button will make the
generating set take load according to the actual setup. Depending on the selected mode (island mode,
paralleled with the Mains or paralleled with other generating sets), different sequences may be triggered:
synchronization (if bus bar is alive), closing the breaker, load ramp if paralleled… The generating set will
then manage its load depending on the setup (load sharing, fixed kW, island mode).
2 / When the generator breaker is closed, using the generator open/close button will unload the generator
(unload ramp if paralleling mode is enabled) and open the breaker. The generating set will still be running
until STOP button is activated.
Generator
ready
Generator on Bus
bar
Waiting
Start
Synchro
Close breaker
load
Unload
Open breaker
Stop
Figure 15 - Semi-automatic mode
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