Homing Mode 7

Homing mode 7 is similar to homing mode 6, except it reverses until it locates the Z-index pulse after encountering the end of travel limit switch. Once the Z-index is reached, homing is completed.

Homing Mode

Home Limit

End Limits

Z-index

Slow Down

Approaches Home at

Direction to Trigger Zero

Ending Point

High Speed

Low Speed

Mode 7


●

●

○


L

Reverse Dir

Zero


Operation 1:

  1. Homing operation is started, accelerate from LSPD to HSPD.
  2. Immediate stop when the end of travel limit switch is encountered.
  3. Reverse direction at LSPD until specified number of Z-Index pulses are counted (ZCNT).
  4. Operation stopped immediately and homing operation is completed, zero position is set.
  5. ERC pulse is sent.

Note:  When utilizing the end travel limits, the ERC command will clear the end-of-travel limit flag in the direction of the home during the homing operation. Refer to ERC command in the Command Reference for further details.


More information on the homing modes can be found in Section 9-5-1 of the PCL6045BL users manual.