Emerson Epsilon Eb Digital Servo Drive Drive Specifications, Epsilon Series, Serial Interface

Specifications

Drive Specifications

	Epsilon Series
	42 - 264 VAC, 1 Ø, 47 - 63 Hz
Power Requirements	240 VAC for rated performance or 12 - 375 VDC when using an A.P.S. Logic Supply Input
	and disabled Low DC Bus alarm.
Auxiliary Power Supply/	For logic backup, 24 VDC, 0.5A
Auxiliary Logic Power Input
Switching Frequency	20 kHz
Power Supply Output	5 VDC, 250 mA maximum for master encoder usage
Efficiency - Drive	Eb-202/203: 93% at full rated output power
	Eb-205: 95% at full rated output power
	Drive: IP20
Ingress Protection (IP) Rating	MG motors: IP65
	NT motors: IP65/IP54
	Molded motor and feedback cables: IP65
	RS-232 / RS-485
Serial Interface	Internal RS-232 to RS-485 converter
	Modbus protocol with 32 bit data extention
	9600 or 19.2 k baud
	Analog command: ±10 VDC 14 bit, 13 bit, 100 kohm impedance, differential
Control Inputs	Digital inputs: (5) 10-30 VDC, 2.8 kohm impedance; current sourcing signal compatible
	(active high); max input response time is 500 µs; optically isolated
	Input debounce: 0-2000 ms
	Diagnostic analog outputs: (2) ±10 VDC (single ended, 20 mA max) 10 bit software
	selectable output signals
Control Outputs	Digital outputs: (3) 10-30 VDC 150 mA max, current sourcing, (active high) optically
	isolated: Input debounce: Programmable range, 0 to 200 ms
	Motor temp sensor (analog): 0 to +5 VDC (single ended), 10 Kohm impedance
	Interface: Software selectable differential (RS422) or single ended (TTL Schmitt Trigger)
	Maximum input frequency: Differential - 2 MHz per channel; 50% duty cycle (8 MHz
	count in quadrature)
Pulse Mode	Single ended - 1 MHz per channel; 50% duty cycle (4 MHz count in quadrature)
	Ratio Capabilities: 20 to 163,840,000 PPR
	Input Device = AM26C32
	Vdiff = 0.1 - 0.2 V
	V common mode max = +/- 7 V
	Input impedance each input to 0 V = 12 - 17 kohm

47