Hitachi SJ300 Series Power Supply User Manual


 
Communications Protocol
Appendix B
B–16
Command – 0A The 0A command sets a value in the EEPROM.
The frame format of command 0A follows the
diagram and specification table.
Command – 0B The 0B command recalculates the inverter’s internal motor constants. Use this function after
the base frequency or any Hxxx parameters are changed via the serial link commands.
The frame format of command 0B follows the
diagram and specification table.
Element Description Size Value
STX Control code (STart of TeXt) 1 byte STX (0x02)
Node Node (station) address of inverter 2 bytes 01 to 32, and FF (broadcast to all
nodes)
Command Transmission command 2 bytes 0A
BCC Block check sum code 2 bytes Exclusive OR of Node,
Command, and Data
[CR] Control code (carriage return) 1 byte [CR] (0x0D)
STX Node Command BCC [CR]
Frame format
Element Description Size Value
STX Control code (STart of TeXt) 1 byte STX (0x02)
Node Node (station) address of inverter 2 bytes 01 to 32
Command Transmission command 2 bytes 0B
BCC Block check sum code 2 bytes Exclusive OR of Node,
Command, and Data
[CR] Control code (carriage return) 1 byte [CR] (0x0D)
STX Node Command BCC [CR]
Frame format