8
◆
Alarm code for
“
Magnetic pole position estimation error
”
.
8.3
Homing
Motor does not incorporate home sensor. Homing must be operated by host equipment using external home
sensor referring homing sequence and home sensor setting position described in below.
Example of homing sequence
To secure home position by detecting rise up of Z phase signal properly, turn off point of home sensor must be
adjusted at the middle point between Z phase signal described in below. Adjust home sensor turn off position
around 32767 [pulse] by monitoring motor position using
“
Monitor_ID80:Resolver sensor electric
angle(RESANG)
”
.
Home sensor turn off position
Driver condition code at alarm 9 : Implementing Magnetic pole position
estimation
Alarm code 44 : Magnetic pole position
estimation error
Start homing
Motor motion
Home sensor
Z phase signal pulse
Homing completion
ON
OFF
ON
OFF
ON
OFF
ON
OFF
Home
Z phase signal
Home sensor
ON
OFF
ON
OFF
Motor angle 4.5°
Middle point
Home
Rise up of 1
st
Z phase signal
(Home)
Read out RESANG [Pulse]
0
65535