LG GLOFA-GM Series User Manual page 263

Chapter 8 Exercising program
Continuous writing request of direct variables (writing 40 bytes to %MB100 of station 4)
Classification
Frame
Response format to continuous writing request of direct variables (ACK response)
Classification
Frame
Continuous reading request of direct variables (reading 20 bytes from %MB0 of station 4)
Classification
Frame
Response to continuous reading request of direct variables (ACK response)
Classification
Frame
Remark
[Note1] Number of data in frame is in HEX unit
B) Frame edit : Edit and download 4 frames above to module using Frame Editor. Enter 4 frames as below. Next
is frame entry screen.
Station
Header Command
No.
ENQ H04 wSB
Header Station No.
ACK
Station
Header Command
No.
ENQ H04 rSB
Station
Header Command
No.
ACK H04 rSB
Variable Variable
length name
H06 %MB100
Command
H04 wSB
Variable Variable
Length Name
H04 %MB0
Number Number
of blocks of data
01 H14
8-12
Number
Data Tail
of data
40 bytes
H28 EOT
data
Tail BCC
ETX BCC
Number
Tail
of data
H14 EOT
Data Tail
20 bytes
ETX
data
BCC
BCC
BCC
BCC
BCC
BCC