Mitsubishi MELSEC-A series User Manual

3. SPECJRCATlONS /MELSEC-A
(5) Creep speed
0 This is the low speed used to approach the home position. (See
0 This speed should be set with consideration for errors in zeroing
Fig. 3.14.)
as well as the impact with the end stop.
I
1
Zeroing speed starts deceleration.
Drift [according to drive unit)
Zero-phase signal
Adjust the actuator
so that it5 OFF
position is near the center of the
zero-phase signal.
P//I////I////R Torque limit valid range
1
J
Fig. 3.14 Zeroing and Creep Speeds
(6) Zeroing dwell time
0 This is the period of time starting from when the actuator is
turned on to when home positioning is complete.
0 Set the time interval to allow the creep speed to stabilize and the
drive to hit the mechanical stopper.
0 When the dwell timer home positioning method is not being
used, this may be set to any value within the setting range.
(7) Torque limit
0 Sets a limit for the servo motor torque after the creep speed
is reached.
I POINT I
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0 A D/A converter module is necessary for torque limiting.
0 Any value within the setting range may be specified if the
torque limit zeroing method is not being used.
Y
PC
i
I
Torque limit value
1-1 Read 71 I r:i:: Drive unit
Operation
converter unit
by program
(Analog amount)
c
I I
Fig. 3.15 Torque Limit Block Diagram
3-21
IB INAi 66101-C

Mitsubishi MELSEC-A series Specifications

General

Brand	Mitsubishi
Model	MELSEC-A series
Category	Controller
Language	English