
MODELS 4122P, 4212P
“PIN” VERSIONS FOR PC BOARD MOUNTING
FEATURES
• Mounts on customers printed
circuit boards.
• Flexibility! Internal 40-pin
socket configures amp with
no soldering
• Separate current limits:
Continuous, peak, and peak-
time
• No integrator windup
when disabled
• Fault protections:
Short-circuits from output to
output, output to gnd
Over/under voltage
Over temperature
Self-reset or latch-off modes
• 3kHz Bandwidth
• Wide load inductance range:
0.2-40 mH.
• Surface mount technology
construction, lower part
count.
• Optional output filter for
reduced PWM noise to
adjacent circuits
APPLICATIONS
• X-Y stages
• Robotics
• Automated assembly
machinery
• Magnetic bearings
THE OEM ADVANTAGE
• Minimize cabling for lowest
cost products
• Uses industry-standard
connectors for solderless
installation
FEATURES
These versions of the 4122 & 4212
models and their variants use extended
pins that interface with printed circuit
board mounted connectors for direct
mounting of the amplifier to customers
pc boards.
The active logic-level of the amplifier
Enable input is jumper selectable to
GND or +5V to interface with different
control cards. /Pos and /Neg enable
inputs remain ground active for fail-safe
operation.
Mosfet H-bridge output stage delivers
power in four-quadrants for bi-
directional acceleration and
deceleration of motors.
An internal solderless socket holds 17
components that configure the various
gain and current limit settings to
customize the amplifiers for a wide
range of loads and applications.
Header components permit
compensation over a wide range of load
inductances to maximize bandwidth
with different motors.
Individual peak and continuous current
limits allow high acceleration without
sacrificing protection against
continuous overloads. Peak current
time limit is settable to match amplifier
to motor thermal or commutation limits.
All models are protected against output
short circuits ( output to output and
output to ground ) and heatplate
overtemperature.
With the /Reset input open, output
shorts or heatplate overtemperature will
latch off the amplifier until power is
cycled off & on, or until the /Reset input
is grounded.
For self-reset from such conditions, wire
/Reset to ground and the amplifier will
reset every 200ms.
Pins models also accept the “F” option
card that has output ‘edge’ filters that
reduce the noise coupling of PWM
outputs to adjacent cabling and
circuitry.
The output filter card option uses the
same connectors as the popular 300
series models ( 303, 306, 306A and
variants ) for easy upgrading to the
4xx2 models.
The filter is a dual section L/C/R that
slows down the switching ‘edges’ ( the
rise and fall times of the outputs ) for
greatly reduced coupling of PWM noise
to nearby cables and circuits.
MODEL FEATURES
4122P +24~90VDC, 10/20A, Standard 0-100% modulation
4212P +24~90VDC, 6/12A, Standard 0-100% modulation
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