Homing mode 3 uses both the home limit switch and Z-index pulse. The deceleration to the home set point occurs after the move passes through the home limit switch and encounters the Z-index pulse.

Homing Mode

Home Limit

End Limits

Z-index

Slow Down

Approaches Home at

Direction to Trigger Zero

Ending Point

High Speed

Low Speed

Mode 3

●


●

○

H


Dir of Home

Non-Zero


Operation 1:

  1. Homing operation is started, accelerate from LSPD to HSPD.
  2. Continue moving at HSPD after home limit is encountered.
  3. Decelerate when specified number of Z-index pulses are counted (ZCNT), zero position is set.
  4. Operation decelerates and stops.
  5. ERC pulse is sent.


Operation 2:

  1. Homing is started while home input is activated.
  2. Acceleration from LSPD to HSPD.
  3. End limit is encountered, immediate stop.


Operation 3:

  1. Homing is started moving away from the home input switch.
  2. Acceleration from LSPD to HSPD.
  3. End limit is encountered, immediate stop.


< Previous Chapter | Topic Home | Home |  Next Chapter >