Sigma-II Series SGM*H/SGDH USER'S MANUAL - Esco Drives ...

3.8 Mechanical Specifications of Servomotors3.8 Mechanical Specifications of Servomotors3.8.1 Precautions on Servomotor InstallationServomotors can be installed either horizontally or vertically.The service life of the servomotor will be shortened or unexpected problems will occur if the servomotor isinstalled incorrectly or in an inappropriate location. Always observe the following installation instructions.CAUTION• Do not connect the servomotor directly to a commercial power line. Thiswill damage the servomotor.The servomotor cannot operate without the proper SERVOPACK.Do not connect3StorageTemperatureand HumidityInstallation SiteStore the servomotor within the following temperature range if it is stored with the power cable disconnected.Ambient temperature during storage: -20 to 60°C (-4 to 140°F)Ambient humidity during storage: 80%RH or less (with no condensation)Servomotors are designed for indoor use. Install the servomotor in environments that satisfy the followingconditions.• Free of corrosive or explosive gases.• Well-ventilated and free of dust and moisture.• Ambient temperature of 0 to 40°C (32 to 104° F)• Relative humidity of 20 to 80% with no condensation.• Facilitates inspection and cleaningAlignment AccuracyMeasure this distance at fourdifferent positions on thecircumference. The differencebetween the maximum andminimum measurements must be0.03 mm (0.0012 in) or less.(Turn together with coupling.)Align the shaft of the servomotor with the shaft of the equipment,and then couple the shafts. Install the servomotor sothat alignment accuracy falls within the range described onthe left.Vibration may occur and damage the bearings and encoders ifthe shafts are not correctly aligned.AlignmentOrientationServomotors can be installed either horizontally or vertically.3-43