====== Function Code 15 : Write Multiple Coils ======

This Function Code writes one or more bits.

Query:

^ Field        ^  Data  ^  Number of Bytes  ^
|Slave Address |0x03| 1|
|Function Code |0x0F| 1|
|Start Address HI |0x0C| 1|
|Start Address LO |0x80| 1|
|Length HI |0x00 |1|
|Length LO |0x08 |1|
|Byte Count |0x01 |1|
|Data 1 |0xFF |1|
|Error Check |CRC |2|


Response:

^ Field        ^  Data  ^  Number of Bytes  ^
|Slave Address |0x03 |1|
|Function Code |0x0F |1|
|Start Address HI |0x0C |1|
|Start Address LO |0x80 |1|
|Length HI |0x00 |1|
|Length LO |0x08 |1|
|Error Check |CRC |2 |