Chapter 13. Dedicated Cnet communication for GM6
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5
) Monitor register(X##)
(1) Introduction
Monitor register can separately register up to 32 in combination with actual variable reading command, and
carries out the registered one through monitor command after registration.
(2) Request format
Format
name
Header
Station
No.
Command
Register
No.
Register format
Tail
Frame check
Frame
(Ex.)
ENQ
H10
X(x)
H1F
See register format
EOT
BCC
ASCII
value
H05
H3130
H58(78)
H3146
[
※
]
H04
•
BCC : When command is one of lower case(x), only one lower byte of the value resulted by adding 1 Byte
each to ASCII values from ENQ to EOT is converted into ASCII, added to BCC, and sent.
•
Register No. : This can be registered up to 32(0-31, H00-H1F), and if an already registered No. is
registered again, the one of current execution is registered.
•
Register format : This is used to before EOT in command of formats of separate reading of direct variable,
continuous reading, and named variable reading.
※
Register format : Register format of request formats must select and use only one of the followings.
①
Separate reading of direct variable
RSS
Number of blocks(2 Bytes)
Variable length(2 Bytes)
Variable name(16 Bytes)
....
1 block(Max. 4 blocks)
②
Continuous reading of direct variable
RSB
Variable length(2 Bytes)
Variable name(16 Bytes)
Number of data
1 block(Max. 4 blocks)
