Toshiba Tosvert RS485 Instruction Manual

Also see for RS-485: Installation guide Operation manual User manual

Contents

E658131542. Data transmission specificationsItems SpecificationsTransmission scheme Half-duplexSynchronization scheme Start-stop synchronizationCommunication baud rate 9600/19200*/38400 bps (selectable using a parameter) *1Communication protocol TOSHIBA Inverter Protocol * / MODBUS-RTU (selectable using a parameter) *1Character transmission JIS X 0201 8-bit (ASCII) Binary codes fixed to 8 bitsStop bit length Received by inverter: 1 bit, Sent by inverter: 2 bits *3Error detecting scheme Parity *2 : Even */Odd/Non parity (selectable using a parameter) *1 ,checksum(Toshiba inverter protocol), CRC(MODBUS-RTU)Character transmissionformat11-bit characters *1 (Stop bit=1, with parity)Order of bit transmission Low-order bits transmitted firstFrame length Variable (to a maximum of 17 bytes)*1: Changes to setting do not take effect until the inverter is turned back on or reset.*2: JIS-X-0201 (ANSI)-compliant 8-bit codes are used for all messages transmitted in ASCII modeand vertical (even) parity bits specified by JIS-X-5001 are added to them. These even parity bitscan be changed to odd parity bits by changing the parameter setting (a change to the parametersetting does not take effect until the inverter has been reset.)*3: Here are the default character transmission format.Characters received: 11 bits (1 start bit + 8 bits + 1 parity bit + 1 stop bit)STARTBIT BIT0 BIT1 BIT2 BIT3 BIT4 BIT5 BIT6 BIT7PARITYBITSTOPBITThe inverter receives one stop bit.(The computer can be set so as to send 1, 1.5 or 2 stop bits.)Characters sent: 12 bits (1 start bit + 8 bits + 1 parity bit + 2 stop bits)STARTBIT BIT0 BIT1 BIT2 BIT3 BIT4 BIT5 BIT6 BIT7PARITYBITSTOPBITSTOPBITThe inverter sends two stop bits.(The computer can be set so as to receive 1, 1.5 or 2 stop bits.)*: Standarddefault setting