SMC Networks LECSN-T Series User Manual

20 - 51
20．PROFINET COMMUNICATION
20.6.6 Homing mode (hm)
The following shows the functions and related PROFIdrive parameters of the homing mode (hm).
Controlword (P24640)
Homing acceleration (P24730)
Homing method (P24728)
Homing speeds (P24729)
Home offset (P24700)
Homing
method
Statusword (P24641)
(1) Related object
In the homing mode (hm), the servo motor is not brought to a slow stop according to the deceleration
time constant when the stroke end is detected. The motor is brought to a quick stop. Set the home
position return speed carefully.
PNU
Sub
Access
Name
Type
Default
value
Description
24700
0
R
Home offset
Integer32
The home position saved in EEP-ROM is
stored at power-on.
If a home position return is executed in the
homing mode (hm), the home position will be
updated.
If [Pr. PA03 Absolute position detection
system] is disabled, 0 is always stored.
24728
0
R/W
Homing Method
Integer8
-1
Specify a home position return type.
Refer to (4) in this section for supported
home position return types.
24729
0
R/W
Speed during search for
switch
Array [2]
Unsigned32
10000
Specify the travel speed until dog detection.
Unit: Vel units (0.01 r/min )
Range: 0 to servo motor maximum speed
1
R/W
Speed during search for
zero
1000
Specify the travel speed up to the home
position after dog detection.
Unit: Vel units (0.01 r/min )
Range: 0 to servo motor maximum speed
24730
0
R/W
Homing acceleration
Unsigned32
0
Acceleration/deceleration time constant at
home position return
Unit: ms
24803
0
R
1
st
supported homing
method
Array [39]
Integer8
37
The home position return type that uses the
current position as a home position is
supported.
to
38
R
39
th
supported homing
method
-43
The dogless Z-phase reference home
position return type (reverse rotation) is
supported.

SMC Networks LECSN-T Series Specifications

General

Brand	SMC Networks
Model	LECSN-T Series
Category	Controller
Language	English