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You can query up to 999 event logs
4.4.5 CONTROLLER INFORMATION
a)
This interface can display controller development information, such as software version, hardware
version and release date.
b)
Press
to display the digital input and output states.
c)
Press
to display the startup interface.
4.4.6 DATA AND TIME SETTING
Calibrate the date and time of the controller with this setting.
4.4.7 CLEAR USER A ACCUMULATIVE DATA
All accumulated data (running time, startup times, power) of User A can be cleared through this item.
4.4.8 CLEAR USER B ACCUMULATIVE DATA
All accumulated data (running time, startup times, power) of User B can be cleared through this item.
4.5 AUTO START/STOP OPERATION
4.5.1 ILLUSTRATION
Press
and the indicator beside is illuminated, meaning PV generation is in Auto Start mode.
4.5.2 AUTO START SEQUENCE
HES7120-PV starting conditions: the remote starting input port is valid or the bus is normal.
a)
When the busbar returns to normal, it will enter the "Busbar Voltage Normal Delay". After confirming
the busbar is normal, the busbar status indicator will light up and enter the "Start Delay", Or enter
"Start Delay" when the input of remote power on is valid.
The status page of LCD shows the countdown of "Start Delay".
b)
c)
After the start delay is over, preheat relay output (if configured), and the status page of LCD
shows "Preheat Delay XX S".
d)
After the startup delay, simultaneously close the relay output (if configured). Closing is completed
after the closing feedback is effective (if configured). Otherwise, if the closing feedback is invalid,
the status page of LCD will display "waiting for PV closing" and the alarm page of LCD will
display the alarm of switch fault;
e)
After the preheating delay is over, the controller enters "starting" and issues start instructions to
the inverter via RS485. If the controller does not receive the start instruction in the "starting" delay,
then enter the "Power-on failure", and the LCD Alarm page will display the power fall alarm. If the
controller receives the start instruction effectively within the "staring" delay, it will enter "starting
wait" immediately until the inverter work normally.
f)
If the controller does not receive the normal operation instruction of the inverter after the
"Power-on waiting" delay, enter "Power-on failure", and the LCD alarm page shows the alarm of
power-on failure;
g)
If the controller receives the normal operation instruction of the inverter at the end of the
HES7120-PV Hybrid Engergy Controller
HES7120-PV HYBRID ENERGY CONTROLLER USER MANUAL
2020-05-20
Version
Page 15 of 59
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