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

? Up to 1.5 kW