Chapter 13. Dedicated Cnet communication for GM6
13 - 22
(5) Example of use
This supposes that HAA15056F is written in %QD0.0.0 of No.1 address.
(Computer request format)
Format
name
Head-
er
Station
No.
Comm-
and
Command
type
Variable
length
Variable
name
Number
of data
Data
Tail
Frame
check
Frame
(Ex.)
ENQ
H01
W(w)
SB
H08
%QD0.0.0
H01
HAA150
56F
EOT BCC
ASCII
value
H05
H3031
H57(77)
H5342
H3038
H254442302
E302E30
H3031
H414131
3503536
46
H04
(For PLC ACK response after execution of command)
Format
name
Header
Station
No.
Command
Command type
Tail
Frame check
Frame
(Ex.)
ACK
H01
W(w)
SB
ETX
BCC
ASCII
value
H06
H3031
H57(77)
H5342
H03
(For PLC NAK response after execution of command)
Format
name
Header
Station
No.
Command
Command type
Error code
Tail
Frame check
Frame
(Ex.)
NAK
01
W(w)
SB
Error code(2)
ETX
BCC
ASCII
value
H15
H3031
H57(77)
H5342
Error code(4)
H03