SmartLogger1000
User Manual
7 WebUI
Issue 12 (2019-01-15)
Copyright © Huawei Technologies Co., Ltd.
243
Parameter
Description
Power Meter
If
Export Limitation
is set to
Enable
, set
Power Meter
to
Smart
meter
. Otherwise the function would not take effect.
Electric meter
power direction
When the inverter has no output power, set this parameter to positive
if the active power reading of the power meter is positive. Otherwise,
set this parameter to reverse.
Load
Load Balance: backflow prevention for the total power of the
grid-tied point
Load Imbalance: backflow prevention for each phase of the
grid-tied point
Maximum grid
feed-in power
Setting the maximum power that the inverter can feed into the power
grid.
Suggestion: Set this parameter based on the countercurrent threshold
allowed by the power grid company.
Power lowering
adjustment period
Setting the inverter output power lowering period.
Maximum
protection time
Setting the maximum duration from the time the SmartLogger
detects countercurrent to the time it controls the inverter output
power to reach 0.
Suggestion: Set this parameter based on the maximum
countercurrent duration allowed by the power grid company.
Power raising
threshold
Setting the inverter output power raising threshold.
Power limit for
abnormal electric
meter
Setting the inverter output power percentage controlled by the
SmartLogger when communication between the SmartLogger and
the power meter is abnormal.
Switch-off with 0%
power limit
Setting whether to switch off the DO port.
When this parameter is set to
Enable
, the settings of the
Switch-off
control port
,
Switch-on control port
,
Switch-off state feedback
port
, and
Switch-on state feedback port
are also enabled.
7.11 Maintenance
7.11.1 Upgrading Firmware
You can upgrade the firmware of the SmartLogger, inverter, PLC module, or PID module over
the WebUI.
Because of permission restriction, log in as
Advanced User
or
Special User
. Choose
Maintenance
>
Firmware Upgrade
to access the target page.
1.
Upload the upgrade file of the device to be upgraded. The upgrade file automatically
matches the device name and selects all devices of this type.