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8 AUXILIARY AND APPLIED FUNCTIONS
8.5.15 Condition selection of home position set
A home position return must be made after the servomotor has been rotated more than
one revolution to pass the axis through the Z-phase (motor reference position signal)
and the zero pass signal (M2406+20n) has been turned ON.
When "1 : No servomotor Z-phase pass after power ON" is selected at the time of MR-
J2S-B/MR-J2M-B use in the "condition selection of home position set" of servo
parameter (expansion parameter), if it does not pass zero point with the motor rotation
after turning the servo amplifier power ON, the zero pass signal (M2406+20n) can be
turned ON.
[Data Setting]
Set the following "servo parameter" using a peripheral devices to select the "condition
selection of home position set".
Set the servo parameters for every axis.
Table 8.5 Servo parameter (expansion parameter)
Items Setting details Setting value Initial value
Optional function 6
(Note-1)
(Condition
selection of home
position set)
Set the condition
selection of home
position set
0: Servomotor Z-phase pass after power ON
1: No servomotor Z-phase pass after power ON
0
(Note-1): If "1: No servomotor Z-phase pass after power ON" is set, use the operating system software (SW5RN-
SV43Q
(Ver.00D or later)).
However, when the data set type home position return is used, there is no restriction by the version of
operating system software.
[Cautions]
(1) Condition selection of home position set for servo parameters can be set when
using the MR-J2S-B/MR-J2M-B only. When "1 : No servomotor Z-phase pass after
power ON" is set as the above servo parameter, a restrictions such as "make the
home position return after the servomotor is rotated more than one revolution to
pass the axis through the Z-phase (motor reference position signal)" is lost.
(2) The servomotor must also have been rotated more than one revolution to pass the
axis through the Z-phase (motor reference position signal) for home position return
when using the servo amplifier except the MR-J2S-B/MR-J2M-B.
(3) When "1 : No servomotor Z-phase pass after power ON" is selected at the time of
MR-J2S-B/MR-J2M-B use in the "condition selection of home position set" of servo
parameter (expansion parameter), if it does not pass zero point at the servo
amplifier power ON, the zero pass signal (M2406+20n) turns ON.
(4) When the above parameter is changed, turn the servo amplifier power OFF to ON
after resetting or turning power OFF to ON of Multiple CPU system.
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