Hitachi L700 Series - Page 169

Chapter 4 Explanation of Functions
4 - 107
(vi) 05 command: This command reads the trip history data from the inverter.
- Transmission frame
Frame format
STX Station No. Command BCC CR
Description Data size Setting
STX Control code (Start of TeXt) 1 byte STX (0x02)
Station No.
Station number of control-target
inverter
2 bytes 01 to 32
Command Command to be transmitted 2 bytes 05
BCC Block check code 2 bytes
XOR of the items from "Station No." to "Data."
See Item (3) of this section.
CR Control code (Carriage Return) 1 byte CR (0x0D)
- Response frame
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 number of control-target
inverter
2 bytes 01 to 32
Data Data monitored at tripping 440 bytes See Note 9.
BCC Block check code 2 bytes
XOR of the items from "Station No." to "Data."
See Item (3) of this section.
CR Control code (Carriage Return) 1 byte CR (0x0D)
Note 11: The inverter stores the data (trip history) on the last six times of tripping, together with the total
trip count (8 bytes).
Total trip count Trip 1 data ・・・・・・ Trip 6 data
Monitoring item Unit Magnification Data size Remarks
Trip factor - - 8 bytes Factor code
↑High-order bytes Low-order bytes↓
Inverter status A - - 8 bytes
04 command
See Note 7.
Inverter status B - - 8 bytes
Inverter status C - - 8 bytes
Output frequency Hz ×10 8 bytes Decimal ASCII code
Cumulative running time hour ×1 8 bytes Decimal ASCII code
Output current A ×10 8 bytes Decimal ASCII code
DC voltage V ×10 8 bytes Decimal ASCII code
Cumulative power-on time hour ×1 8 bytes Decimal ASCII code