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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
Monitor switching from the constant speed status or acceleration
status to the deceleration status during position control whose
operation pattern is "Positioning complete"
Md.48
Deceleration start flag