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

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

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Chapter 4 Explanation of Functions<br />

(xii) 0B command: This command recalculates the constants set in the inverter.<br />

This command must be issued when the base frequency or the setting of parameter "H***" has been<br />

changed for the RS485 communication.<br />

- Transmission frame<br />

Frame format<br />

STX Station No. Command BCC CR<br />

Description Data size Setting<br />

STX Control code (Start of TeXt) 1 byte STX (0x02)<br />

Station No.<br />

Station number of control-target<br />

inverter<br />

2 bytes 01 to 32<br />

Command Command to be transmitted 2 bytes 0B<br />

BCC Block check code 2 bytes<br />

XOR of the items from "Station No." to "Data."<br />

See Item (3) of this section.<br />

CR Control code (Carriage Return) 1 byte CR (0x0D)<br />

- Response frame<br />

Positive response: See Item (2)-(i) of this section.<br />

Negative response: See Item (2)-(ii) of this section.<br />

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