Chapter 13. Dedicated Cnet communication for GM6
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6)
Monitor execution(Y##)
(1) Introduction
This is a function that carries out the writing of the variable registered by monitor register. This also specifies
registered No. and carries out the writing of the variable registered in the No.
(2) Request format
Format name
Header
Station No.
Command
Register No.
Tail
Frame check
Frame(Ex.)
ENQ
H10
Y(y)
H1F
EOT
BCC
ASCII value
H05
H3130
H59(79)
H3146
H03
•
Register No. uses the same No. as the No. registered during monitor register for monitor execution.
•
BCC : When main command is one of lower case(y), 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.
•
In computer request format, register No. can be set to 00-31(H00-H1F).
(3) Response format(for PLC ACK response)
←
In case that the register format of register No. is the separate reading of direct variable
Format
name
Header
Station
No.
Command
Register
No.
Number of
blocks
Number
of data
Data
Tail
Frame
check
Frame
(Ex.)
ACK
H10
Y(y)
H1F
H01
H04
H9183AABB
ETX
BCC
ASCII
value
H06
H3130
H59(79)
H313F
H3031
H3034
H3931383341
414242
H03
↑
In case that the register format of register No. is the continuous reading of direct variable
Format
name
Header
Station
No.
Command
Register
No.
Number of
data
Data
Tail
Frame
check
Frame
(Ex.)
ACK
H10
Y(y)
H1F
H04
H9183AABB
ETX
BCC
ASCII
value
H06
H3130
H59(79)
H313F
H3034
H3931383341414242
H03