Function 0x06: Write a word.
Example: Write 0000H to communication register address 0006H of a slave
frequency converter addressed at 01H. The frame structure is described in
tables below.
Message start Transmission time for 3.5 bytes
Slave address 01H
Modbus function code 06H
Higher byte of write register address 00H
Lower byte of write register address 06H
Higher byte of write data 00H
Lower byte of write data 00H
CRC lower byte 69H
CRC higher byte CBH
Message end Transmission time for 3.5 bytes
Tab. 12-6: Function 0x06_master request
Message start Transmission time for 3.5 bytes
Slave address 01H
Modbus function code 06H
Higher byte of write register address 00H
Lower byte of write register address 06H
Higher byte of write data 00H
Lower byte of write data 00H
CRC lower byte 69H
CRC higher byte CBH
Message end Transmission time for 3.5 bytes
Tab. 12-7: Function 0x06_slave response
DOK-RCON02-FV*********-IB08-EN-P Bosch Rexroth AG 221/259
Rexroth Frequency Converter Fv
Communication Protocols
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