10.5 SWITCH SETTING (Cont'd)
SEL
Setting
Functions
1 2 3
*
0
0 6 ms
1 2 3
SEL1
0
,
1 1 ms
1 2 3
0
0
0
0 6 ms
1 2 3
0
No MS
1 2 3
SEL2
0
Variable MS level
1 2 3
*
0
0
0
MS level 2 0 0 %
1 2 3
*
0
MS operation
1 2 3
SEL3
IN-B input
0
P/PI control
1 2 3
0
0
0
Normally MS ON
(P operation)
Inspection Item
Frequency
Inspection Operation
Vibration
Daily
Feel manuallyIf abnormal vibration or noise is found, contact
your YASKAWA representative
Noise
Aurally
Exterior and Cleaning As required
Clean with dry cloth or compressed air
Insulation
Resistance
Annually
Make sure that it is more than 10Mft by measuring with a 500V
megger after disconnecting the motor from the controller
Shaft Seal
Every 5,000 hours Replace shaft seal
Overhaul
Every 20,000
hours or
5 years
If worn o r damaged, replace after disconnecting the
motor form the driven machine
Contact your YASKAWA representative
Inspection Item
Frequency
Operation
Corrective Action
Cleaning of
SERVOPACK and board
Every
1 year
Visually check for dust or oil on
parts
Clean with dry cloth or
compressed air
Loose screws
Check for loose screws of terminals
and connectors of 1CN and 2CN
of SERVOPACK
Retighten
Detenoration of
SERVOPACK and/or
parts on board
Visually check for discoloration,
brakage or disconnection resulting
from heat, bumping, etc
Conatct your YASKAWA
representative
Cooling fan
Check if the fan rotates normally
Part Name
Interval
Remarks
Smoothing capacitor
7 to 8 years Replace with new one (Decided after inspection)
Circuit protector or relays
—
Upon inspection, decided whether they should be replaced
Aluminum electrolytic capacitor on PC board
5 years
Replace with new one (Decided after inspection)
Table 1 0 9 S E L Setting and Functions
• Standa d factory-adjusted s w i t c h setting
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
• 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
Part Name
Interval
Remarks
Bearing
20,000 hours
Disassemble the motor to replace with new one
Shaft Seal
5,000 how's
Replace with new one
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
• 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
Note O p t i m u m operating environment is as follows
Ambient temperature 3 0 ° C on average
Load factor 8 0 % or less
Operating rate 2 0 hours or less per day
— 46 —
Содержание USAREM-A5A
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