Lists Of Commands - LG MASTER-K 120S Series User Manual

Chapter 8 Communication Functions
8.1.4 List of commands
Classification
Items
Individual
Reading
device
Continuous
Individual w (W)
Writing
device
Continuous
CPU
Status reading
Classification
Item
Monitoring variable
register
Execution of
monitoring
Remark
MASTER-K120S main unit identifies capitals or small letters for main commands, but not for the others.
Command
Main command Command type
Code ASCII code Code ASCII code
H72
r(R) SS
(H52)
H72
r(R) SB
(H52)
H77
SS
(H57)
H77
w(W) SB
(H57)
H73
r(R) ST
(H53)
Command
Main command
Register
Code ASCII code
no.
H78
x(X) H00~H09 3030 ~ 3039 Register device to monitor.
H58
H79
y(Y) H00~H09 3030 ~ 3039
(H59)
Reads data from device of Bit, Byte, Word type.
5353
Reads device Word in block unit.
5342
(Continuous reading Bit is unavailable)
Writes data to device of Bit, Byte and Word type.
5353
Writes data to Byte and Word type in block unit.
5342
(Continuous reading Bit is unavailable)
Reads flag list like PLC operation status and error
5354
information.
Register No.
ASCII code
Execute registered device to monitor.
8-7
Treatment
Treatment