LG GLOFA-GM Series User Manual page 192

Chapter 7 Communication function
1 PLC control command(M##)
The control of PLC operation with computer communication module is the same as the control with FAM4.0 in
GLOFA Fnet and Mnet. The control command of PLC operation with computer communication module has a path
specified for operation according to PLC mode. PI(Program Invocation) is an execution program(object) that has
the start condition and status at start-up, stop, and temporary stop of user program.
PI is created/deleted by user and PLC can be controlled by PI name.
NO PI
List of commands to change operation status of PLC into PI command is as follows.
[Table 7.21] PI related commands
Operation sign
PI_create
PI_start
PI_resume
PI_stop
PI_reset
PI_delete
PI_create and PI_delete of commands above are specially used in system, so don't use them at ordinary
times. N in command type specifies PI name to execute PI command, and D in parentheses execute PI
name with default value. Therefore, when D is used, don't specify PI name.
[Figure 7.14] Relation between PI and PLC control
PI_DELETE
PI_CREATE
PI_START
RUN STATE
Main command and Command type
MCN(D)
MRN(D)
MEN(D)
MSN(D)
MPN(D)
MDN(D)
7-73
PI DEVELOPING
STATE
STOP STATE
PI_RESET
PI_STOP
PI_RESUME
Operation contents
Create PI object
Starts the created PI( RUN execution)
Restarts at temporary stop status
Temporarily stops at run status
Completely stops at temporary stop status
Deletes the created object
PAUSE
STATE