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2. INSTALLATION
2.3 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 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.
2.4 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)
supplied with the servo motor, and flex the optional encoder cable or the power supply and brake
wiring cables. 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.
(3) Avoid any probability that the cable sheath might be cut by sharp chips, rubbed by a machine corner or
stamped by workers or vehicles.
(4) For installation on a machine where the servo motor will move, the flexing radius should be made as
large as possible. Refer to section 11.4 for the flexing life.