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4. STARTUP
4.4.5 Actual operation
Start actual operation after confirmation of normal operation by test operation and completion of the
corresponding parameter settings.
4.4.6 Trouble at start-up
CAUTION
Excessive adjustment or change of parameter setting must not be made as it will
make operation instable.
POINT
Using the software (MR Configurator2
TM
), you can refer to unrotated servo motor
reasons, etc.
The following faults may occur at start-up. If any of such faults occurs, take the corresponding action.
No. Start-up sequence
Fault
Investigation
Possible cause
Reference
1
Power on
LED is not lit.
LED flickers.
Not improved if connectors CN1,
CN2 and CN3 are disconnected.
1. Power supply voltage fault
2. Driver is faulty.
Improved when connectors CN1
is disconnected.
Power supply of CN1 cabling is
shorted.
Improved when connector CN2 is
disconnected.
1. Power supply of encoder
cabling is shorted.
2. Encoder is faulty.
Improved when connector CN3 is
disconnected.
Power supply of CN3 cabling is
shorted.
Alarm occurs.
Refer to chapter 9 and remove cause.
Chapter 9
2
Switch on servo-
on (SON).
Alarm occurs.
Refer to chapter 9 and remove cause.
Chapter 9
Servo motor shaft is
free.
Call the external I/O signal display
(section 6.7) and check the
ON/OFF status of the input signal.
1. Servo-on (SON) is not input.
(Wiring mistake)
2. 24VDC power is not supplied to
DICOM.
Section 6.7
3
Switch on forward
rotation start
(RS1) or reverse
rotation start
(RS2).
Servo motor does
not rotate.
Call the status display or software
(MR Configurator2
TM
) (section
6.3) and check the analog torque
command (TC).
Analog torque command is 0V.
Section 6.3
Call the external I/O signal display
(section 6.7) and check the
ON/OFF status of the input signal.
RS1 or RS2 is off.
Section 6.7
Check the internal speed limits 1
to 7
(parameters No.PC05 to PC11).
Set value is 0.
Section 5.3
Check the analog torque
command maximum output
(parameter No.26) value.
Torque command level is too low
as compared to the load torque.
Check the internal torque limit 1
(parameter No.PC13).
Set value is 0.
Section
5.1.11
Содержание LECSB Series
Страница 1: ...PRODUCT NAME AC Servo Motor Driver MODEL Series LECSB Series Doc no JXC OMT0021 B ...
Страница 17: ...7 App 6 Compliance with the European EC directives App 7 App 7 Conformance with UL C UL standard App 10 ...
Страница 255: ...10 1 10 OUTLINE DRAWINGS 10 OUTLINE DRAWINGS 2 10 1 Driver 2 10 2 Connector 4 ...