Hitachi SJ300-037HFE Manual Do Utilizador

Communications Protocol

Append

ix

 B

The 0A command sets a value in the EEPROM.

The frame format of command 0A follows the 
diagram and specification table.

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.

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

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