SJ700-2 Instruction Manual NT204DX - Hitachi America, Ltd.

Chapter 4 Explanation of Functions
(x) 09 command: This command checks whether set data can be stored in the EEPROM in 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 09
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. ACK 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
ACK Control code (acknowledgement) 1 byte ACK (0x06)
Data Data 2 bytes "01" (enabling data storage)
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)
Negative response: See Item (4)-(ii) of this section.
(xi) 0A command: This command stores set data in the EEPROM in 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 0A
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.
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