37
・
From the master unit to the salve unit
ENQ Destination address
ETX
BCC1
Block check characters
(See
"
8-4-1. Message structure
"
)
Command
Input a command
(See the command in section
"
9-7. Details of Commands
"
)
Input the system address of the PAR-A unit to be controlled
(ASCII7 unit codes)
BCC2
・
From the slave unit to the master unit
ACK Address of its own
Address of the sending slave unit (ASCII7 unit codes)
NAK Address of its own
Using a command requiring a response message
・
From the master unit to the slave unit
ENQ Destination address
ETX
BCC1
Block check characters
(See
"
8-4-1.
Message structure
"
)
Command
Input command
(See the command in section
"
8-7. Details of Commands
"
)
Input the system address of the PAR-A unit whose message is needed
(ASCII7 unit codes)
BCC2
ACK Address of its own
Input 0, which is the address of the master unit
(@ in the ASCII7 unit code)
NAK Address of its own
・
From the slave unit to the master unit
ENQ Destination address
ETX
BCC1
Block check characters
(See
"
8-4-1. Message structure
"
)
Command
Requested message
(See the command in section
"
8-7. Details of Commands
"
)
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
