Machine Opr Method - Mitsubishi Electric MELSEC iQ-F Series FX5 User Manual

Machine OPR method

In the machine OPR, the method by which the machine OP is established (method for judging the position of the OP and the
completion of the machine OPR) is specified according to the configuration and application of the positioning system.
The following table shows the seven methods provided as the OPR methods. The OPR method is one of the setting items of
the OPR parameter and set in "[Pr.43] OPR method".
[Pr.43] OPR method
Near-point dog method
Stopper method 1
Stopper method 2
Stopper method 3
Count method 1
Count method 2
Data setting method
*1 Signals that output 1 pulse (e.g., Phase Z signals output from the drive unit) per motor revolution are input as positioning module Zero
signals.
*2 Signals output after detecting contact with the stopper are input as positioning module Zero signals.
8 OPR CONTROL
74
8.2 Machine OPR
Operation
The deceleration starts on the rising edge of Near-point dog. (The speed is reduced to "[Pr.47] Creep speed".)
After Near-point dog turns from ON→OFF, the workpiece stops at the first input of zero signals
is completed when the deviation counter clear output is completed.
The position is set as an OP.
The point where a stopper is placed is set as an OP.
After the deceleration starts on the rising edge of the near-point dog, the machine presses the workpiece against the
stopper at the speed set in [Pr.47] Creep speed and stops.
After the stop and the time set in [Pr.49] OPR dwell time elapses, the machine OPR is completed when the deviation
counter clear output is completed.
The point where a stopper is placed is set as an OP.
After the deceleration starts on the rising edge of the near-point dog, the machine presses the workpiece against the
stopper at the speed set in [Pr.47] Creep speed and stops.
*2
After the stop and Zero signal is detected, the machine OPR is completed when the deviation counter clear output is
completed.
The point where a stopper is placed is set as an OP.
The machine starts at the speed set in [Pr.47] Creep speed from the beginning, presses the workpiece against the
stopper and stops.
*2
After the stop and Zero signal is detected, the machine OPR is completed when the deviation counter clear output is
completed.
After moving the distance set in [Pr.50] Setting for the movement amount after near-point dog ON from the point
where the near-point dog turns on, the machine stops at the first input of zero signals
machine stops is set as an OP.
The deceleration starts on the rising edge of the near-point dog and the machine moves at the speed set in [Pr.47]
Creep speed.
After moving the distance set in [Pr.50] Setting for the movement amount after near-point dog ON from the point
where the near-point dog turns on, the machine stops at the first input of zero signals
clear output is completed, the machine OPR is completed.
After moving the distance set in [Pr.50] Setting for the movement amount after near-point dog ON from the point
where the near-point dog turns on, the machine stops. The position where the machine stops is set as an OP.
The deceleration starts on the rising edge of the near-point dog and the machine moves at the speed set in [Pr.47]
Creep speed.
After moving the distance set in [Pr.50] Setting for the movement amount after near-point dog ON from the point
where the near-point dog turns on, the machine stops and the machine OPR is completed.
The point where the machine OPR starts is set as an OP.
After the deviation counter clear output is completed, "[Md.20" Current feed value" and "[Md.21] Machine feed value"
are overwritten using "[Pr.45] OP address", and the machine OPR is completed.
*1
. The machine OPR
*1
. The position where the
*1
. When the deviation counter