Hitachi SJ700-4000HFU2 - Page 195

Chapter 4 Explanation of Functions
4-124
(viii) 07 command: This command writes data to a specified setting item in the inverter.
- Transmission frame
Frame format
STX
Station No.
Command
Parameter
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, or FF (broadcast to all stations)
Command
Command to be transmitted
2 bytes
07
Parameter
Data parameter number
4 bytes
See Note 14.
Data
Parameter data (decimal ASCII
code)
8 bytes
See Note 13.
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 14: Possible range of parameters is as follows.
F002-, A001-, b001-, C001-, H001-, P001- (F001 is written with 01 command.)
- Response frame
Positive response: See Item (2)-(i) of this section.
Negative response: See Item (2)-(ii) of this section.
(ix) 08 command: This command initializes specified settings in the inverter.
The setting items to be initialized follow the setting of the initialization mode (b084). When "b084" is "00", the trip
history data is cleared.
- 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, or FF (broadcast to all stations)
Command
Command to be transmitted
2 bytes
08
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
Positive response: See Item (2)-(i) of this section.
Negative response: See Item (2)-(ii) of this section.