MMP SA-2550A
SERVO AMPLIFIER
Description
Power Range
Peak Current
50 A
The MMP SA-2550A PWM servo amplifier is designed to
drive brushed or brushless type DC motors at a high
switching frequency. A single red/green LED indicates
operating status. The drive is fully protected against
over-voltage, under- voltage, over-current, over-heating
and short-circuits across motor, ground and power
leads. Furthermore, the drive can interface with digital
controllers or be used stand-alone, and requires only a
single unregulated DC power supply. Loop gain, current
limit, input gain and offset can be adjusted using 14-
turn potentiometers. The offset adjusting potentiometer
can also be used as an on-board input signal for testing
purposes. This drive can use quadrature encoder inputs,
Hall Sensors, or a tachometer for velocity control.
Continuous Current
25 A
Supply Voltage
20 - 80 VDC
Features
Four Quadrant Regenerative Operation
DIP Switch Selectable Modes
DIP Switch Configurable Loop Tuning
DIP Switch Configurable Current Scaling
DIP Switch Configurable Tachometer
Scaling
Selectable Inhibit Logic
High Switching Frequency
Digital Fault Output Monitor
On-Board Test Potentiometer
Offset Adjustment Potentiometer
Adjustable Input Gain
Selectable 120/60 Hall Commutation Phasing
Encoder Velocity Mode
Hall Velocity Mode
Velocity Monitor Output
Current Monitor Output
Drive Status LED
MODES OF OPERATION
Current
Encoder Velocity
Hall Velocity
Tachometer Velocity
Duty Cycle (Open Loop)
COMMAND SOURCE
±10 V Analog
FEEDBACK SUPPORTED
Hall Sensors
Incremental Encoder
Tachometer (
±
60 VDC)
MOTORS SUPPORTED
Three Phase (Brushless)
Single Phase (Brushed, Voice Coil, Inductive Load)
COMPLIANCES & AGENCY APPROVALS
UL
cUL
CE Class A (LVD)
CE Class A (EMC)
RoHS II
MIDWEST M
O
TION
P
RODUCTS
