FCT \ 5: Write 1 bit

For the function code “write 1 bit”, the value of the bit to be written is encoded in one word.

BIT = TRUE -> Data word = FF 00 HEX

BIT = FALSE -> Data word = 00 00 HEX

Client request
Function code Server operand address Number of words CRC
High Low High Low High Low
Server response
Function code Server operand address Data CRC
High Low High Low High Low