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Communication Features and Methods
153378
1–19
Data Logging
The GT100 inverter stores data values and software metrics for debugging. The
firmware maintains a data log located in the CCU2 non-volatile memory with a
capacity of 25840 32-bit words. The GT100 records the 17 parameters listed
below, and logs them into a circular buffer, such that the earliest records shall be
overwritten once the capacity of the buffer is exceeded. The log capacity is
25840 / 20 = 1292 records (each record has 2 words for timestamp and 18 words
for parameters). Data logging requires the use of a PC connection using the GT
View Graphic User Interface (GUI) software or via the RS485/Modbus
connection.
The following is the list of parameters which values shall be stored in the data
logging records:
•
Inverter Vab
•
Inverter Vbc
•
Inverter Vca
•
I Phase A
•
I Phase B
•
I Phase C
•
Grid Freq
•
Real Power
•
PV Voltage
•
PV Current
•
PV Power
•
System State
•
Fault Code
•
Intake air Temp.
•
Matrix Temp.
•
Analog input
•
Fan speed control
Summary of Contents for GT100-208
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