Emerson Epsilon Eb Series Reference Manual page 217

Control Inputs
Control Outputs
Pulse Mode
Encoder Output Signal
Shunt Resistor Capacity/
Regeneration Capacity
200
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E Series
Analog command: ±10 VDC 14 bit, 100 kOhm impedance, differential
Maximum Voltage Input Rating: Differential = +/- 14VDC, each input to 0V = +/- 14 VDC
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
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)
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 = 0.1 - 0.2 V
diff
V max = +/- 7 V
common mode
Input impedance each input to 0 V = 12 - 17 kOhm
Differential line driver, RS-422 and TTL compatible
Scalable in one line increment resolution up to 2048 lines/rev of the motor (MG and NT)
Output Device = AM26C31
20 ma per channel, sink and/or source
V @ 20 ma = 3.8 - 4.5 V
out Hi
V @ 20 ma = 0.2 - 0.4 V
out Lo
V w/100 ohm termination = 2.0 - 3.1 V
out diff
V w/100 ohm termination = 0.0 - 3.0 V
out common mode
I = 30 - 130 ma
out short circuit
Internal: The internal shunting capacity for
the drive/motor combinations listed below is
based on full speed and peak torque reversal.
EN-204/MG-316: 10:1 Mismatch, Bus
Capacitance
EN-208/MG-455: 5:1 Mismatch, 50W, 50
Ohm
EN-214/MG-4120: 10:1 Mismatch, 50 W, 33
Ohm
External: Bus connections are provided for
connection to external shunt controller. The
EMC model RSR-2 is recommended. The
shunt resistor connected to the RSR-2 must
be 20 Ohms or greater and be limited to 5
ARMS. Multiple RSR-2s can be paralleled to
give additional shunting capacity, but the
current draw through the bus connections on
the drive must be limited to 15 ARMS.
Epsilon Series
Internal: The internal shunting capacity for
the drive/motor combinations listed below is
based on full speed and peak torque reversal.
Eb-202/NT-212: 5:1 Mismatch, Bus
Capacitance
Eb-203/NT-212: 5:1 Mismatch, Bus
Capacitance
Eb-205/MG-340: 5:1 Mismatch, Bus
Capacitance
External: Bus connections are provided for
connection to external shunt controller. The
EMC model RSR-2 is recommended. The
shunt resistor connected to the RSR-2 must
be 20 Ohms or greater and be limited to 5
ARMS. Multiple RSR-2s can be paralleled to
give additional shunting capacity, but the
current draw through the bus connections on
the drive must be limited to 15 ARMS.