Figure 8-3 Connecting to a DO port
Step 2 Choose Settings > Other parameters and set Reset the external router to the
DO port.
----End
Audible and Visual Alarm for Grounding Fault
Connect one DC power cable of the audible and visual alarm to a DO port on the
SmartLogger, and power on or off the audible and visual alarm by connecting or
disconnecting the DO dry contact to implement audible and visual alarming for
grounding faults.
Step 1 Connect one DC power cable of the audible and visual alarm to the DO port
(COM/NO) on the SmartLogger.
Step 2 Choose Settings > Alarm Output and associate Low Insulation Resistance with
the DO port.
----End
Alarm Output
After a solar inverter alarm is associated with a DO port, the alarm signal is
delivered from the DO port when the solar inverter raises the alarm.
Step 1 Choose Settings > Alarm Output and associate solar inverter alarms with the DO
port.
NO TE
If the SmartLogger is restarted or powered off after the function is enabled, the DO port status
may change and the alarm output may be abnormal.
----End
8.7 How Do I Use the USB Port?
The SmartLogger has a USB port, which provides 5 V/1 A power supply.
SmartLogger3000
User Manual
8 FAQ
Issue 10 (2022-08-20)
Copyright © Huawei Technologies Co., Ltd.
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