LG GLOFA-GM Series User Manual page 183

Chapter 7 Communication function
1 Writing of named variables (W##)
This is a function to write data by using the name registered by registering variable name in access variable of
PLC program. Refer to technical spec. of GLOFA GMWIN for the registration of variables.
1) Request format(PC -> PLC)
A) For data type of non-array
Format
Header
Name
frame(Ex) ENQ
ASCII
H05
value
B) For data type of array (for 1 block only)
Format
Header
Name
ENQ
Frame(Ex)
ASCII
H05
value
Remark
[Note 1] Data type of variable to be written is specified in command type. For the details, see [Table 7.13] and
[Table 7.14].
Station Command
Command
[Note]
No. type
H10 W(w) H02
H3130 H57(77) H3032
Station Command
Command
[Note]
No. type
H10 W(w) H17
H57
H3130 H3137
(77)
Number
Variable Variable
of
length name
blocks
OUTPU
H01 H08
T_1
H4F555
H3031 H3038 450555
45F31
1 block(Setting can be repeated up to max. 4 blocks)
Number of Variable Variable
blocks length name
OUTPUT
H01 H0A
_ARR
H4F5554
H3031 H3041 5055545F
415252
1 block(for 1 block only)
7-64
data Tail
Repeated
H0002 EOT
block
H30303241 H04
Number
of Data Tail
elements
H11223344556
H05 EOT
6778899AA
H3131323233
33343435353
H3035 H04
63637373838
39394141
Frame
check
BCC
Frame
check
BCC