1 Outline
1.7
Combinations for Multi-Winding Drive Systems
This section gives the combinations for a multi-winding drive system.
Main Circuit
Power
Supply
Voltage
Three-
phase, 400
VAC
1.8
Inspection and Maintenance of a Multi-Winding Drive System
This section describes the inspection and maintenance of a multi-winding drive system.
(1) Inspections for a Multi-Winding Drive System
The multi-winding drive unit, SERVOPACKs, and converters do not need to be inspected every day. Perform
the following inspections at least once every year. Other routine inspections are not required.
Exterior
Loose Screws
(2) Parts Replacement Schedule for a Multi-Winding Drive System
The following electric or electronic parts in the multi-winding drive unit, SERVOPACKs, and converters are
subject to mechanical wear or deterioration over time. Refer to the following tables for the standard replace-
ment periods.
Multi-Winding Drive Unit
Electrolytic
Capacitor
SERVOPACKs and Converters
Cooling Fan
Smoothing Capacitor
Other Aluminum Electrolytic Capacitor
Relays
Fuses
Note: The standard replacement period is given for usage under the following operating conditions.
• Surrounding air temperature: Annual average of 30°C
• Load factor: 80% max.
• Operation rate: 20 hours/day max.
1-16
Servomotor
Model:
Motor Speed
SGMVV-
-1
7EDB
1500 min
Item
Frequency
At least once a year
Standard
Part
Replacement Period
10 years
Part
The parameters of any multi-winding drive unit overhauled by Yaskawa are reset to the
factory settings before shipping. Be sure to confirm that the parameters are properly set
before starting operation.
SERVOPACKs
Capacity
Model: SGDV-
75 kW
101J
Procedure
Check for dust, dirt, and oil
Clean with compressed air.
on the surfaces.
Check for loose terminal
block and connector
Tighten any loose screws.
screws.
Operating Conditions
• Surrounding air temperature: Annual average of 30°C
• Operation rate: 20 hours/day max.
Standard Replacement Period
4 to 5 years
7 to 8 years
5 years
–
10 years
Multi-Winding
Converters
Drive Unit
Model:
Model: JUSP-
SGDV-COA
5EDA
MD3DA
Comments