7. Normal operation
7. Normal operation
7.5.8
.
1 Enable logic interface settings
Please follow below settings to enable the
DRM
. DRM default setting is “OFF” , if DRM set “ON”,
but the logic interface un-connected to the switch or the switch is open, the inverter HMI will
display “Limit by DRM” and the inverter output power will be limited to zero.
1. Select
Initial Settings
2. Select
DRM
and set it
“
ON
”
7.5.10 HMI Update
HMI
Current
Ver
.: 02
YES
=<
ENT
>
NO
=<
ESC
>
Selecting “Updater” displays the sub-menu shown below:
This section is applicable to maintenance personnel only.
Updater is for updating LCD firmware.
Press the ENTER key to start the process.
Press the ESC key to return to the previous menu.
Figure 7.22
7.5.9 Restore Settings
There are 5 items in initial setting submenu.
The
screen
shows
as
below
:
Restore setting could set all item in 7.5.7 special setting to default.
Figure 7.21 Restore Settings
Are
you
sure
?
YES=<ENT> NO=<ESC>
Press
the
Enter
key
to
save
the
setting
after
setting
grid
off
.
Press
the
ESC
key
to
return
the
previous
mean
.
7.5.11 Internal EPM Set
7.5.11.2 Backflow Power
->Set Backflow Power
Figure 7.
Set the
p
o
wer
23
backflow
Figure 7.24
Press the UP/DOWN keys to set data.Press the ENTER key to set backflow power.
Then press DOWN keys to move the cursor, press UP to change the number.
Press the ESC key to save the settings and return to the previous menu.
The setting is used to define the allowed export power into the grid.
The setting range is between 00000W to 29900W.
YES=<ENT> NO=<ESC>
Power:-00000W
Select EPM Settings from the Main Menu to access the following options:
1. Mode Select 2.
Backflow Power 3.
Fail safe ON/OFF 4.
Backflow Work Mode
7.5.11.1 Mode Select
There are 4 settings in this menu as below:
1. OFF 2. Meter in Load 3. Meter in Grid 4.Consumption Monitor
OFF:
Functions are disabled
Meter in Load:
Canadian Solar Smart Meter is connected in the load branch circuit.
Meter in Grid:
Canadian Solar Smart Meter is connected in the grid connection point
(The backflow power is default as 0W).
Consumption Monitor:
Canadian Solar Smart Meter is connected in the grid connection point
(The backflow power setting is not applicable).
7.5.11.3 Fail safe ON/OFF
This setting is used to give out an alarm (stop inverter generation as well) when the Meter
connection is lost during operation.
It can prevent potential backflow power into the grid when the system loses control.
Figure 7.25 Set the
Fail
Safe ON/OFF
YES=<ENT> NO=<ESC>
Fail
Safe Set:ON
.49.
.48.