Restarting Positioning; Multi-Step Position Control Settings - Omron MX2 Series User Manual

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Restarting Positioning

If the motor moves out of the restarting positioning range after position control is executed by the simple
position control function, the inverter automatically starts repositioning it again.
To enable the restarting positioning function, set parameters as follows:
• In the Restarting Positioning Range Setting (P080), set the position range in which to start restarting
positioning.
If the current position is deviated by more than "±P080" (including the set value) from the target posi-
tion, the restarting positioning function is activated automatically to reposition the motor to the target
position.
Because the Digital Operator of this inverter has a 4-digit display, you can set only the upper 4 digits.
To set a value over 4 digits, use the computer tool CX-Drive.
• The RUN command must remain ON while using the restarting positioning function.
• Even if the motor is out of the set pulse input (P080), the restarting positioning function does not work
when it is within the range set in the Positioning Completion Range Setting (P017).
• The restarting positioning function may start and stop repeatedly depending on the Restarting Position-
ing Range Setting (P080) and Positioning Completion Range Setting (P017). In this case, adjust either
of these settings.
• Do not use the restarting positioning function in applications where a brake is used to hold an elevat-
ing axis, or keep equipment in the stop position. Doing so causes frequent force/release of the brake,
which may result in a load fall accident or an overload trip.
Parameter
No.

Restarting Positioning

P080
Range Setting
Positioning Completion
P017
Range Setting
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Multi-step Position Control Settings

Use the multi-function input S1 to S7 terminals to set up to eight target positions.
• Set any three of the Multi-function Input S1 to S7 Selection (C001 to C007) to 66 (CP1: Position com-
mand selection 1) to 68 (CP3: Position command selection 3).
• In the Multi-step Position Command 0 to 7 (P060 to P067), set the target positions.
These values must be set as ×1 multiplication pulses (equivalent the number of phase-A pulses).
Because the Digital Operator of this inverter has a 4-digit display, you can set only the upper 4 digits.
To set a value over 4 digits, use the computer tool CX-Drive.
• To provide an interval between each input to the Position command selection 1 to 3 terminals to pre-
vent false recognition, set the wait time until the inverter recognizes input to these terminals in the
Multi-step Speed/Position Determination Time (C169).
Be sure to set these parameters appropriately. Note that increasing the determination time setting
lowers the responsiveness.
Multi-function Compact Inverter 3G3MX2-V1 User's Manual (I585-E1)
Function name
0. to 9999.
1000 (10000) (×4 multiplication)
0. to 9999.
1000 (10000) (×4 multiplication)
6 Vector Control and Applied Functions
Data
Default
Unit
data
6
0. pulse
50. pulse
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