Ac Servomotor - YASKAWA USAREM-A5A Bulletin

10.5 SWITCH SETTING (Cont'd)
Table 1 0 9 S E L Setting and Functions
SEL
Setting
1 2 3
* 0
1 2 3
SEL1
0 ,
1 2 3
0 0 0
1 2 3
0
1 2 3
SEL2
0
1 2 3
*
0 0 0
1 2 3
*
0
1 2 3
SEL3
0
1 2 3
0 0 0
• Standa d factory-adjusted s w i t c h setting
Functions
0 6 ms
Inspection Item
1 1 ms
Vibration
Noise
Exterior and Cleaning As required
0 6 ms
Insulation
Resistance
Shaft Seal
Overhaul
No MS
Variable MS level
MS level 2 0 0 %
Part Name
Bearing
Shaft Seal
MS operation
IN-B input
P/PI control
Normally MS ON
(P operation)
Inspection Item
Cleaning of
SER VOP ACK and board
Loose screws
Detenoration of
SER VOP ACK and/or
parts on board
Cooling fan
Smoothing capacitor
Circuit protector or relays
Al u mi n um electrolytic capacitor on PC board 5 years
Note O p t i m u m operating environment is as follows
11. INSPECTION AND MAINTENANCE

11.1 AC SERVOMOTOR

The AC SERVOMOTOR has no wearing parts (e g b r u s h -
es), so simple daily inspection is sufficient T h e inspection
schedule for the m o t o r is shown i n Table 11.1.
Do not disassemble the motor I f disassembly is neces-
sary, contact y o u r YA S K AWA representative
Table 11.1 Inspection Schedule for Motors
Frequency
Feel manually If abnormal vibration or noise is found, contact
Daily
Aurally
Clean with dry cloth or compressed air
Make sure that it is more than 10Mft by measuring with a 500V
Annually
megger after disconnecting the motor from the controller
Every 5,000 hours Replace shaft seal
If worn o r damaged, replace after disconnecting the
Every 20,000
hours or motor form the driven machine
5 years Contact your YASKAWA representative
• Parts Replacement Schedule
The following parts should be replaced periodically since
they m a y become w o r n mechanically
Table 11 2 P a r t s Replacement Schedule
Interval
20,000 hours
5,000 how's
11.2 SERVOPACK
SERVOPACK d o e s n o t r e q u i r e d a i l y m a i n t e n a n c e
However, i t is advisable t o p e r f o r m t h e f o l l o w i n g main-
tenance at least once a year
However, w h e n t h e SERVOPACK i s overhauled b y
YASKAWA, check the user constants before running since
they are reset to the standard setting
Table 11 3 Inspection Schedule for SERVOPACK
Frequency
Visually check for dust or oil on
parts
Check for loose screws of terminals
and connectors of 1CN and 2CN
Every
of SERVOPACK
1 year
Visually check for discoloration,
brakage or disconnection resulting
from heat, bumping, etc
Check if the fan rotates normally
• Parts Replacement Schedule
The following parts should be replaced periodically since
they m a y become w o r n mechanically o r deteriorated
w i t h age
Table 11 4 P a r t s Replacement Schedule
Part Name
7 to 8 years Replace with new one (Decided after inspection)
Ambient temperature 3 0 ° C on average
Load factor 8 0 % or less
Operating rate 2 0 hours or less per day
— 46 —
Inspection Operation
your YASKAWA representative
Remarks
Disassemble the motor to replace with new one
Replace with new one
Operation
Clean with dry cloth or
compressed air
Retighten
Conatct your YASKAWA
representative
Interval Remarks
Upon i n specti o n, deci d ed whether they shoul d be replaced
—
Replace with new one (Decided after inspection)
Corrective Action