4-4 Communication Function •Response frame Positive response: Refer to page 4-151. Negative response: Refer to page 4-151. Re-calculates internal parameters. Recalculation is required when the base frequency and H*** parameters are changed via RS485 communication. •Transmission frame 4 Frame format Functions •Response frame Positive response: Refer to page 4-151. Negative response: Refer to page 4-151. „ Positive/Negative Responses •Response frame Frame format 4-151 STX Station No. Command BCC CR Description Data size Setting STX Control code (Start of TeXt) 1 byte STX (0x02) Station No. Station No.
of the target Inverter 2 bytes 01 to 32 Command Transmission command 2 bytes 0B BCC Block check code 2 bytes Exclusive OR from station No. to data. (Refer to page 4-153.) CR Control code (Carriage Return) 1 byte CR (0x0D) STX Station No. ACK BCC CR Description Data size Setting STX Control code (Start of TeXt) 1 byte STX (0x02) Station No. Station No. of the target Inverter 2 bytes 01 to 32 ACK Control code (ACKnowledge) 1 byte ACK (0x06) BCC Block check code 2 bytes Exclusive OR from station No. to data. (Refer to page 4-153.) CR Control code (Carriage Return) 1 byte CR (0x0D)