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Timing chart:
ቢ
You must turn the power off and on again to activate this parameter.
Home Position Return Positioning with Digital Inputs
4-16 MITSUBISHI ELECTRIC
Fig. 4-5: Home position return sequence in dogless Z-phase reference mode
PC04 “Home pos. return speed”
PC06 “Home offset”
PC05 “Creep speed”
Auto/Manual mode (MD0)
ON
OFF
Select point table no. (DI0)
Start command
Forward (ST1)
ON
OFF
Start command
Reverse (ST2)
ON
OFF
Servo motor speed setting
Z-phase of encoder
ON
OFF
Home return complete (ZP)
ON
OFF
No. Code Function Description
PA05
ቢ
*FTY Feed length multi-
plication factor
Needed here to scale the home position value to the physical coor-
dinate system.
PC02
ቢ
*ZTY Home position re-
turn mode
Selects the home position return mode:
A: Dogless Z-phase reference mode
PC03
ቢ
*ZDIR Home position re-
turn direction
0: Incrementing counting of encoder pulses
1: Decrementing counting of encoder pulses
PC04 ZRF Home position re-
turn speed
Sets home position return speed until first detection of the Z-phase
in [rpm].
PC05 CRF Creep speed Speed for precise movement to home position in [rpm].
PC06 ZST Home position off-
set (shift)
Distance between the encoder zero point (Z-phase) and the physi-
cal home position in [µm].
PC07
ቢ
*ZPS Home position re-
turn position value
The home position return stops when the Z-phase position is
reached.You can enter a non-zero coordinate for this position [in
10
STM
µm] with this parameter.
Table 4-1: Parameter reference table