Magnetic Position Detection Completed Signal (PTD)
The ON signal is output when the magnetic pole position is detected at PM motor startup. This param-
eter is enabled when 3007Hex-1FHex is set to other than 0.
Parameter No. Function name Data Default data Unit
3005Hex-15Hex,
3005Hex-1CHex
Output Terminal [DO1] Func-
tion Selection, Output Termi-
nal [ROA, ROB] Function Se-
lection
89: PTD (magnetic position
detection completed signal)
- -
Synchronous Motor Magnetic Pole Position Pull-in Frequency
When using an encoder having A, B and Z phase outputs in PM Vector control with speed and pole
position sensor, pull-in operation at the magnetic pole position is performed at the frequency set at
3014Hex-51Hex during the period up to detection of the Z phase immediately after power is turned ON
as the magnetic pole position is unknown. After detection of the Z phase, the magnetic pole position
referenced to the magnetic pole position sensor of
fset set to 3007Hex-60Hex is established, and regu-
lar operation is switched to.
Generally, there is no need for adjustment.
Parameter No. Function name Data
Default
data
Unit
3014Hex-51He
x
1st PM Motor Magnetic Pole Posi-
tion Pull-in Frequency
0.1 to 10.0 1.0 Hz
7 Vector Control and Applied Functions
7-25
M1 Series EtherCAT Type User’s Manual (I670)
7-4 PM Motor
7
7-4-4 Adjustment of PM Motor Mode Settings
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