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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