SMC Networks LECSN-T Series

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18．EtherCAT COMMUNICATION
Servo motor speed
Reverse
rotation
0 r/min
Forward
rotation
The home position return starts from here.
Home position
return direction
Home position return start position
Proximity dog
Stroke end (Note)
No
te.
The software limit cannot be used with these functions.
When the movement is returned at the stroke end
(c) Method -3
1) Data set type home position return
The following figure shows the operation of Homing method -3. This type cannot be executed
during servo-off.
ON
OFF
ON
OFF
Statusw ord bit 12
Homing attained
Controlw ord bit 4
Homing operation start
Home position return position data
Servo motor speed
Reverse
rotation
0 r/min
Forw ard
rotation
2) Torque limit changing data set type home position return
POINT
Torque limit changing data set type home position return is available with drivers
The following figure shows the operation of Homing method -3 in the indexer method. This type
cannot be executed during servo-off.
Reverse
rotation
Forw ard
rotation
Servo motor speed 0 r/min
Statusw ord bit 12
Homing attained
ON
OFF
ON
OFF
Controlw ord bit 4
Homing operation start
Point actual value
0% Torque limit value2
Torque limit
value2
Enabled torque limit value
Hold the previous value 0
Modes of operation Homing mode (hm)
Home position return
position data