Mitsubishi Electric MELSEC-L LD75D, User Manual

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CHAPTER 5 DATA USED FOR POSITIONING CONTROL
5
5.
1 T
ypes of
Dat
a
(2) Monitor data
(a) Method of data monitoring
The following methods are available for data monitoring:
• Create the program for monitoring using GX Works2 and execute it.
• Set using GX Works2.
In this manual, the method using GX Works2 will be explained.
(3) Control data
(a) Control using control data
Control using the control data is carried out with the program.
"[Cd.41] Deceleration start flag valid" is valid for only the value at the time when the PLC READY signal [Y0]
turns from OFF to ON.
( to
( to )
: to
Monitor data
(Data that indicates the control state. Stored in the buffer memory, and monitors as necessary.)
Md.1 Md.48 , to Md.50 Md.52
System monitor data
Monitors the LD75 specifications and the operation history.
Md.1 Md.19
Axis monitor data
Md.20 Md.48
Monitors the data related to the operating axis, such as the current position
and speed.
)
to , Md.50 Md.52
( to ) , to
( to )
: to
Control data
(Data for user to control positioning system.) Cd.1 Cd.43
System control data
Performs backup of "setting data" of the LD75 or initialization of the backup data.
Cd.1 Cd.2 Cd.41 Cd.43
Axis control data
Makes settings related to the operation, and controls the speed change during
operation, and stops/restarts the operation.
Cd.3 Cd.40