LG GLOFA-GM Series, Руководство пользователя, Страница: 263 / 358

Chapter 8 Exercising program
8-12
Continuous writing request of direct variables (writing 40 bytes to %MB100 of station 4)
Classification Header
Station
No.
Command
Variable
length
Variable
name
Number
of data
Data Tail BCC
Frame ENQ H04 wSB H06 %MB100 H28
40 bytes
data
EOT BCC
Response format to continuous writing request of direct variables (ACK response)
Classification Header Station No. Command Tail BCC
Frame ACK H04 wSB ETX BCC
Continuous reading request of direct variables (reading 20 bytes from %MB0 of station 4)
Classification Header
Station
No.
Command
Variable
Length
Variable
Name
Number
of data
Tail BCC
Frame ENQ H04 rSB H04 %MB0 H14 EOT BCC
Response to continuous reading request of direct variables (ACK response)
Classification Header
Station
No.
Command
Number
of blocks
Number
of data
Data Tail BCC
Frame ACK H04 rSB 01 H14
20 bytes
data
ETX BCC
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.