Emerson Epsilon Eb Digital Servo Drive Server User Manual


 
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Specifications
Drive Specifications
Epsilon Series
Power Requirements
42 - 264 VAC, 1 Ø, 47 - 63 Hz
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/
Auxiliary Logic Power Input
For logic backup, 24 VDC, 0.5A
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
Ingress Protection (IP) Rating
Drive: IP20
MG motors: IP65
NT motors: IP65/IP54
Molded motor and feedback cables: IP65
Serial Interface
RS-232 / RS-485
Internal RS-232 to RS-485 converter
Modbus protocol with 32 bit data extention
9600 or 19.2 k baud
Control Inputs
Analog command: ±10 VDC 14 bit, 13 bit, 100 kohm impedance, differential
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
Control Outputs
Diagnostic analog outputs: (2) ±10 VDC (single ended, 20 mA max) 10 bit software
selectable output signals
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
Pulse Mode
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)
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
V
diff
= 0.1 - 0.2 V
V
common mode
max = +/- 7 V
Input impedance each input to 0 V = 12 - 17 kohm
Epsilon Eb Digital Servo Drive Installation
Manual