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Melsec-q, 5 data used for positioning control – MITSUBISHI ELECTRIC Mitsubishi Programmable Logic Controller QD75D User Manual

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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