LG GLOFA-GM Series, User Manual, Page: 189 / 358

Chapter 7 Communication function
7-70
1 Monitor execution (Y##)
This is a function to execute the reading of variable registered by monitor registration This also specifies
registered No. and execute the reading of variable registered in that number.
1) Request format(PC -> PLC)
Format
Name
Header Station No. Command Registration No Tail Frame check
Frame(Ex.) ENQ H10 Y(y) H1F EOT BCC
ASCII value H05 H3130 H59(79) H3146 H04
9 Registration No. is to be the same as the registered No. during monitor registration for monitor execution.
9 BCC : When command is one of lower case(y), only one lower byte of the value resulted by adding 1 byte
each to ASCII values from ENQ to EOT is converted into ASCII and added to BCC.
9 In computer request format, registration No. can be set to 00 ~ 31(H00 ~ H1F).
2) Response format(for PLC of ACK response)
A) In case registration format of registration No. is the individual reading of direct variables
Format
Name
Header
Station
No.
Command
Registration
No
Number of
blocks
Number
of data
Data Tail
Frame
check
Frame (Ex.) ACK H10 Y(y) H1F H01 H04 H9183AABB ETX BCC
ASCII value H06 H3130 H59(79) H313F H3031 H3034
H393138334141
4242
H03
B) In case registration format of registration No. is the continuous reading of direct variables
Format
Name
Header
Station
No.
Command
Registration
No
Number of
data
Data Tail
Frame
check
Frame (Ex.) ACK H10 Y(y) H1F H04 H9183AABB ETX BCC
ASCII value H06 H3130 H59(79) H313F H3034 H3931383341414242 H03