10.07.2015 Views

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

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

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

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4 SERVOPACK Specifications and Dimensional DrawingsOrientationInstall the SERVOPACK perpendicular to the wall as shown in the figure. The SERVOPACK must be orientedthis way because it is designed to be cooled by natural convection or a cooling fan.Secure the SERVOPACK using two to four mounting holes. The number of holes depends on the capacity.WallInstallationVentilationFollow the procedure below to install multiple SERVOPACKs side by side in a control panel.Cooling fanCooling fan50 mm (1.97 in) min.30 mm(1.18 in) min.10 mm(0.39 in) min.50 mm (1.97 in) min.VoltageResistance TestSERVOPACK OrientationInstall the SERVOPACK perpendicular to the wall so the front panel containing connectors faces outward.CoolingAs shown in the figure above, allow sufficient space around each SERVOPACK for cooling by cooling fansor natural convection.Side-by-side InstallationWhen installing SERVOPACKs side by side as shown in the figure above, allow at least 10 mm (0.39 in)between and at least 50 mm (1.97 in) above and below each SERVOPACK. Install cooling fans above theSERVOPACKs to avoid excessive temperature rise and to maintain even temperature inside the controlpanel.Environmental Conditions in the Control PanelAmbient Temperature:0 to 55°C (32 to 131° F)Humidity: 90% RH or lessVibration: 4.9 m/s 2Condensation and Freezing: NoneAmbient Temperature for Long-term Reliability: 45 °C (113 °F) or lessConduct voltage resistance tests under the following conditions.• Voltage: 1500 Vrms AC for one minute• Braking current: 30 mA or more• Frequency: 50 or 60 Hz• Voltage applied pointsFor <strong>SGDH</strong>-AE SERVOPACKs : Between the ground terminals and the point where the terminals L1,L2, (L3), L1C, L2C, U, V, W are connected.For <strong>SGDH</strong>-BE SERVOPACKs : Between the ground terminals and the point where the terminals L1,L2, (L3), L1C, L2C, U, V, W are connected.For <strong>SGDH</strong>-DE SERVOPACKs : Between the neutral terminals and the point where the terminals L1,L2, L3, U, V, W are connected.4-8

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