SCA-L Drives
CompletePower™ Series

Summary Details

Technology: PMDC Servo Amplifier
Quadrants: 4
Nominal Current: 3A

For Brush-Commutated PMDC Motors. Up to 75 W.
This linear four-quadrant PMDC DC servo amplifier is fully enclosed in a rugged aluminum case which can be panel mounted for easy integration. The drive is available in several configurations depending on your control requirements. The drive handles continuous currents up to 3 Amps and is protected against over-current, over-temperature and motor short-circuit.

Additional Product Details

SCA-L Technical Drawings

drawings_sca-l.gif

SCA-L Specifications

Model Numbers Power Supply Voltage
(VDC)		 Aux Voltage
(VDC)		 Continuous Current
(Amps)		 Peak Current
(Amps)		 Max Power
(Watts)		 Frequency of
Power Output Stage
(kHz)		 Efficiency
(%)
SCA-LE-30-03 11 - 30 - 3 - 75 with heatsink - -
SCA-LS-30-03 11 - 30 - 3 - 75 with heatsink - -

Control Inputs
Set Value ±10 VDC
Encoder input signals Channels (A, /A, B, /B, I, /I) / TTL / +5 to +24 VDC
Dir +8 to +30 VDC
Features Selected by Dip Switches
Set Value External / Internal
Tachometer On / Off
Voltage On / Off
I x R Comp On / Off
Torque Mode On / Off
Encoder On / Off [SCA-LE only]
Encoder Frequency On / Off [SCA-LE only]
Outputs
Auxillary Voltage Sources ±.39 VDC / 20 mA
Auxillary Voltage Sources For Encoder +5 VDC / 100 mA [SCA-LE only]
Monitor I 0.75 Volts / A
Monitor n 10V at max speed
Fault Open Collector / Max. +30 VDC / 20 mA
Display
LEDs Green = OK / Red = Fault
Potentiometers
Function of Potentiometers Gain / Speed max / I max / IxR Comp / Offset
Mechanical Specs
Dimensions (L x W x H) inches / (mm) 4.76 x 3.94 x 1.57 / (121) x (100) x (40)
Weight in ounces / (grams) SCA-LE-30-03: 13.40 (380)
SCA-LS-30-03: 11.64 (330)
Operating Temperature (°C) -10 to +45
Storage Temperature (°C) -40 to +85
Humidity Range Not Condensing (% rH) 20% to 80% Relative, Non-condensing
Operation Mode
Operation Mode SCA-LE-30-03:
Speed control by encoder

SCA-LS-30-03:
Torque control
IxR Comp
Speed control by Tachometer
Speed control by voltage

SCA-L Accessories

Photo Model Number Description User Manual Technical Drawing
$photo ASO-BM-70-30 Breaking module in a rugged aluminum case. Consult Factory Download PDF
$photo ASX-RM-01-01 Aluminum DIN Rail Mounting Kit with L-shaped bracket for units:
- SCA-Lx
- SCA-Sx
- SCA-B4-70-10
- not used for SCA-SS-70-30		 Consult Factory Download PDF

SCA-L User Manuals

Model Number User Manual
SCA - LE - 30 - 03 Download PDF (Drive User Manual)
SCA - LS - 30 - 03 Download PDF (Drive User Manual)