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8 Communications Functions
High-function General-purpose Inverter 3G3RX-V1 User’s Manual (I578-E1)
8-6 ASCII Method
8
8-6-2 Communications Commands
• Response frame
* Data (Each monitor data during trip) stores the past six trip data, together with the total trip count (8
bytes).
Frame format
STX Station
No.
Data BCC CR
Description Data size Setting
STX Control code (Start of Text) 1 byte STX (0x02)
Station
No.
Station No. of target Inverter 2 bytes 01 to 32
Data
Each monitor’s data at the time of
trip
440 bytes *
BCC Block check code 2 bytes
Exclusive OR of frame segments
from Station No. to Data (Refer to
(page 8-94).)
CR Control code (Carriage Return) 1 byte CR (0x0D)
Total count Trip data 1 ······ Trip data 6
Monitor item Unit
Magnification
Data size Remarks
Trip factor – – 8 bytes Code display
→
MSB
LSB
←
Inverter status A – – 8 bytes
Refer to Command 04.Inverter status B – – 8 bytes
Inverter status C – – 8 bytes
Output frequency Hz ×10 8 bytes Decimal ASCII code
Total RUN time h ×1 8 bytes Decimal ASCII code
Output current A ×10 8 bytes Decimal ASCII code
DC voltage V ×10 8 bytes Decimal ASCII code
Power ON time h ×1 8 bytes Decimal ASCII code