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Chapter 7 Communication function
7-73
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.
[Figure 7.14] Relation between PI and PLC control
List of commands to change operation status of PLC into PI command is as follows.
[Table 7.21] PI related commands
Operation sign Main command and Command type Operation contents
PI_create MCN(D) Create PI object
PI_start MRN(D) Starts the created PI( RUN execution)
PI_resume MEN(D) Restarts at temporary stop status
PI_stop MSN(D) Temporarily stops at run status
PI_reset MPN(D) Completely stops at temporary stop status
PI_delete MDN(D) Deletes the created object
9 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.
NO PI
STOP STATE
RUN STATE
PAUSE
STATE
PI DEVELOPING
STATE
PI_CREATE
PI_DELETE
PI_RESET
PI_START
PI_STOP
PI_RESUME