4-4 Communication Function •Response frame Frame format 4 Functions * Error Code List During communication with all stations, the Inverter sends no response. 4-152 STX Station No. NAK Error code 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 NAK Control code (Negative AcKnowledge) 1 byte NAK (0x15) Error code Communication error status 2 bytes * 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) Error code Description 01H 02H 03H 04H 05H 06H 07H 08H 11H 12H 13H 14H 15H 16H 17H Parity error Checksum error Framing error Overrun error Protocol error ASCII code error Receiving buffer overrun error Receiving timeout error Command invalid error Execution disabled error Parameter invalid error