LG GLOFA-GM Series User Manual page 182

Chapter 7 Communication function
4) Example of use
In case 4 bytes of HAA15056F are written in %QD0.0.0 of station No.1.
(Computer request format)
Format
Header
Name
Frame(Ex.) ENQ
ASCII value H05
(For PLC ACK response after execution of command)
Format
Header
Name
Frame (Ex.)
ASCII value
(For PLC NAK response after execution of command)
Format
Header
Name
Frame (Ex.) NAK
ASCII value H15
Station Command
Command
No. type
H01 W(w) SB
H3031 H57(77) H5342
Station No.
ACK H01
H06 H3031
Station No. Command
01
H3031 H57(77)
Variable
Variable name
length
H08 %QD0.0.0
H254442302E3
H3038
02E30
Command Command type
W(w) SB
H57(77) H5342
Command type
W(w) SB
H5342
7-63
Number
data
of data
H04 HAA15056F EOT
H414131353
H3034
0353646
Tail
ETX
H03
Error code Tail
Error code(2) ETX
Error code(4) H03
Frame
Tail
check
BCC
H04
Frame
check
BCC
Frame
check
BCC