D 9. TEST RUN •Whena ServoON signalisinput(contactisON)I
the power circuit in the SERVOPACK operates and
Before test run, check the following. Correct any the motor is ready to run.
deficiency.
9.2.2 Operation
9. 1 CHECK ITEMS BEFORE TEST RUN The operation is possible only while Servo ON sig'nal is
9.1.1 SERVOMOTOR ON'.
Before test run, check the following. If the test ru.n is • Increase the speed reference voltage gradually from
performed after long storage, see Par. 11, 0V, then the motor will rotate at a speed propor-
" INSPECTION AND MAINTENANCE." tional to the reference voltage.
• Connection to machines or devices, wiring, fuse. • When the reference voltage is positive, the motor ro-
connection and grounding are correct. " tates forward (counterclockwise when viewed from
• Bolts and nuts are not loose, the drive end-output shaft) (Fig. 9.1)
• For motors with shaft seals, the seals are not
damaged and oil is properly lubricated.
D 9.1.2 SERVOPACK
• Setting switches are correctly set to satisfy the
specifications for the applicable SERVOMOTOR and
optical encoder.
• Connection and wiring leads are firml'y connected to
terminals or inserted into the connectors.
• The power supply is turned OFF if servo alarm
Occurs.
• Voltage supplied to SERVOPACK is 200 to 230V_%° %
D (If a voltage line other than 200V is used, the 386-5
voltage should be dropped to 200V through a power
transformer.) Fig. 9.1 Motor Forward Running
• The speed reference should be 0V ....
9.2 TEST RUN PROCEDURES 9.2.3 Inspection during Test Run
9.2.1 Preparation of Operation The following items should be checked during the test
During test run, loads should not be applied to the run.
SERVOMOTOR. If it is necessary-to start with the- -Unusual vibration
D driven machine connected to the motor, confirm that
the driven system has been ready for emergency stop at • Abnormal noise
any time. • Excessivetemperature rise
(1) Power ON If any abnormality is found, take corrective ac-
tions according to Par. 12. At a test operation, the
• After checking items in Par. 9.1, turn ON the power load and machine: may not fit well at first and result
supply. When the power on sequence is correct ac-
in overload.
cording to Par. 6.1, the power is turned ON by press-
ing the POWER pushbutton for approximately 1
second.
• When the power is correctly supplied, the .following
green _ s light: [_ and _ .
-63-
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