Amplifier Comparison (Sigma II and LEGEND) for SGMPH Sigma II


Most Sigma II linear servomotors and rotary servomotors including SGMAH, SGMPH, SGMGH, and SGMSH can be driven by either the Sigma II or LEGEND amplifers. The table below compares some of the features of each amplifier. The SGMCS Direct Drive, SGMUH and SGMBH large capacity are only compatible with the Sigma II amplifier. The SGMM is only compatible with the SGDF amplifer.

  SGDH Sigma II SGDG LEGEND Digital Torque Amplifer
Built-in Interface Analog Input Torque Control
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Analog Input Speed Control
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Pulse Input Position Control
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Amplifier Features Absolute Encoder Compatible
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Built-in Holding Brake Control
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Torque Loop Notch Filter
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Setup Dipswitch  
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Built-in Keypad
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Serial Port
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Setup and Monitoring Software with Data Trace
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Power Amplifer Input Voltage
100/200/480 VAC
90-253 VAC
Up to 1.5 kW
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1.5-55 kW
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Motors SGMAH, SGMPH, SGMGH, SGMSH/UH, and Linear
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?
SGMCS Direct Drive
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SGMBH (Large Capacity)
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Single-Axis Controllers SMC-3010
LEGEND-MC
 
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NS600 Indexer
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NS300 DeviceNet
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NS500 Profibus
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MP940 Machine Controlle
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? Up to 1.5 kW