5 - 16
MELSEC-Q
5 DATA USED FOR POSITIONING CONTROL
Monitoring the state
Monitor details Corresponding item
•
Monitor the axis operation state
Md.26
Axis operation status
•
Monitor the latest error code that occurred with the axis
Md.23
Axis error No.
•
Monitor the latest warning code that occurred with the axis
Md.24
Axis warning No.
•
Monitor the external input/output signal and flag
Md.30
Md.31
External input/output signal
Status
•
Monitor the valid M codes
Md.25
Valid M code
•
Monitor whether the speed is being limited
Md.39
In speed control flag
•
Monitor whether the speed is being changed
Md.40
In speed change processing flag
•
Monitor the "start data" point currently being executed
Md.43
Start data pointer being executed
•
Monitor the "positioning data No." currently being executed
Md.44
Positioning data No. being executed
•
Monitor the remaining No. of repetitions (special start)
Md.41
Special start repetition counter
•
Monitor the remaining No. of repetitions (control system)
Md.42
Control system repetition counter
•
Monitor the block No.
Md.45
Block No. being executed
•
Monitor the current torque limit value
Md.35
Torque limit stored value
•
Monitor the "instruction code" of the special start data when using
special start
Md.36
Special start data instruction code setting
value
•
Monitor the "instruction parameter" of the special start data when
using special start
Md.37
Special start data instruction parameter
setting value
•
Monitor the "start data No." of the special start data when using
special start
Md.38
Start positioning data No. setting value
•
Monitor the "positioning data No." executed last
Md.46
Last executed positioning data No.
•
Monitor the positioning data currently being executed
Md.47
Positioning data being executed
•
Monitor the movement amount after the current position control
switching when using "speed-position switching control (INC
mode)".
Md.29
Speed-position switching control
positioning amount