231
0
~
30
0
d-52
Run frequency of current fault
0.00
~【
F0.16
】
upper limit freq.
0.00
d-53
Output current of current fault
0.0
~
6553.5A
0.0
d-54
Busbar voltage of current fault
0
~
999V
0
d-55
Input terminal status of current fault
0
~
FFH
0
d-56
Output terminal status of current fault
0
~
FH
0
d-57
Run state of current fault
0
~
FFFFH
0
5 Communication Protocol
5.1 RTU mode and format
When controller communicates via Modbus in RTU mode, each byte is divided into 2 hexadecimal characters of 4 bits.
The main advantage of this mode is that it can transfer characters with higher density compared with ASCII mode given