Calpeda NCE HQ2 Instrucciones De Uso página 160

GB
Slave to master (reply)
Slave Command
address code
(1 byte) (0x04)
18.4.3 Command code = 0x06 (write a single holding register)
Master to slave:
Slave Command
address code
(1 byte) (0x06)
Slave to master (reply):
Slave Command
address code
(1 byte) (0x06)
18.4.4 Exception code
In case of error, the slave will only send one data byte (exception code)
0x01：Unsupported command.
0x02：The address of the holding register is out of range.
Total number First
of data bytes register
(1 byte) data
Holding register
address (2 bytes, high
byte first)
Holding register
address (2 bytes, high
byte first)
159
. . . Nth register CRC check
data (2 bytes)
Holding register Check CRC
address (2 bytes,
(2 bytes)
high byte first)
Write the value of Check CRC
the register (2 bytes,
(2 bytes)
high byte first)