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9-4-5. Message structure list when using IF-41RS
■
Using a command for controlling the slave unit
・
From the master unit to the salve unit
・
From the slave unit to the master unit
■
Using a command requiring a response message
・
From the master unit to the slave unit
・
From the slave unit to the master unit
ENQ Destination address
ETX
BCC1
Block check characters
(See
“
9-4-1.
”
)
Command
Requested message
(See the command in section
“
9-7.
”
)
Address 0 of the master unit that sends the message
(@ in the ASCII7 unit code)
BCC2
ACK Address of its own
Address of the sending slave unit (ASCII7 unit codes)
NAK
Address of its own
