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2 INSTALLATION
2.2 Keeping out foreign materials
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2
2.2
Keeping out foreign materials
When drilling the cabinet for assembly, prevent drill chips and wire fragments from entering the converter unit and drive unit.
Prevent foreign matter such as oil, water, and metallic dust from entering the converter unit and drive unit through cooling fans
installed in openings in the cabinet or on the ceiling.
When installing the cabinet in a place where toxic gas, dirt, and dust exist, conduct an air purge (force clean air into the
cabinet from outside to make the internal pressure higher than the external pressure) to prevent such materials from entering
the cabinet.
2.3
Cable stress
• The method used to clamp the cable must be fully examined so that bending stress and cable's own weight stress are not
applied to the cable connection.
• When used for applications where the servo motor moves, fix the cable (encoder, power supply, brake) with gentle slack
from the connecting part of the connector to prevent stress from being applied to the connecting part of the servo motor
connector. Use the optional motor cable/encoder cable within the flex life range.
• Prevent the cable insulator from being cut by sharp chips or from touching and rubbing against the machine corners.
• Prevent the cables from getting stepped on by workers or run over by vehicles.
• If installing the servo motor that moves on a machine, make the bend radius as large as possible. Refer to the following for
the flex life.
Precautions
• The cables should not be damaged, stressed, loaded, or pinched.
2.4
Fan unit replacement procedure
The fan unit is composed of a cooling fan and its cover. If replacing the cooling fan, replace the entire fan unit.
In addition, shut off the main circuit power supply and control circuit power supply and wait at least 20 minutes before
replacing the fan unit.
List of applicable fan units
Drive unit
Model of fan unit to be replaced
MR-J5D1-500G4
MR-J5D1-700G4
MR-J5D2-200G4
MR-J5D2-350G4
MR-J5D3-200G4
MR-J5D-FAN1
MR-J5D2-500G4
MR-J5D2-700G4
MR-J5D-FAN2
Содержание MR-J5D
Страница 1: ...MR J5D User s Manual Hardware MR J5D_ _G_ MR J5D_ _G_ _N1 Mitsubishi Electric AC Servo System ...
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Страница 189: ...10 USING A FULLY CLOSED LOOP SYSTEM 10 7 Absolute position detection system 187 10 MEMO ...
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