Mitsubishi Electric MELSERVO-J3W Series Instruction Manual page 440

15. MR-J3W-0303BN6 SERVO AMPLIFIER
15.4.4 Surrounding environment
(1) Cable routing
(a) The wiring cables should not be stressed.
(b) The encoder cable should not be used in excess of its bending life. (Refer to section 10.4.)
(c) The connector of the servo motor should not be stressed.
(2) Environment
Signal cables and power cables are not shorted by wire offcuts, metallic dust or the like.
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