Mitsubishi Electronics MR-J3- B Car Amplifier User Manual


 
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2. INSTALLATION
(b) Installation of two or more servo amplifiers
Leave a large clearance between the top of the servo amplifier and the internal surface of the control
box, and install a cooling fan to prevent the internal temperature of the control box from exceeding the
environmental conditions.
100mm
or more
30m
or more
120mm or more
30mm
or more
10mm or more
Control box
Top
Bottom
(3) Others
When using heat generating equipment such as the regenerative option, install them with full consideration
of heat generation so that the servo amplifier is not affected.
Install the servo amplifier on a perpendicular wall in the correct vertical direction.
2.2 Keep out foreign materials
(1) When installing the unit in a control box, prevent drill chips and wire fragments from entering the servo
amplifier.
(2) Prevent oil, water, metallic dust, etc. from entering the servo amplifier through openings in the control box or
a cooling fan installed on the ceiling.
(3) When installing the control box in a place where there are much toxic gas, dirt and dust, conduct an air
purge (force clean air into the control box from outside to make the internal pressure higher than the
external pressure) to prevent such materials from entering the control box.
2.3 Cable stress
(1) The way of clamping the cable must be fully examined so that flexing stress and cable's own weight stress
are not applied to the cable connection.
(2) For use in any application where the servo motor moves, fix the cables (encoder, power supply, brake) with
having some slack from the connector connection part of the servo motor to avoid putting stress on the
connector connection part. Use the optional encoder cable within the flexing life range. Use the power
supply and brake wiring cables within the flexing life of the cables.