
Available Configurations:
Operating Modes:
Position Range:
Velocity Range:
Acceleration Range:
Jerk Range:
Trajectory Profile Generator Modes:
Electronic Gear Ratio Range:
Mcrostepping Waveform
# Steps Per Full Step:
Mcrostep lookup rate:
Phasing:
#of Output Phases:
PWMResolution:
PWMFrequency:
Incremental Encoder Input Signals:
MaximumEncoder Rate:
Profile Cycle Rate
# of Limt Switches Per Axis:
Hardware Position Capture Latency:
Hardware Position Capture Triggers:
# of Host Commands:
2 axes with internal mcrostepping generation (MC1241A)
1 axis with internal mcrostepping generation (MC1141A)
Open loop (uses trajectory generator, mcrostep generator)
-1,073,741,824 to 1,073,741,823 counts
-16,384 to 16,383 usteps/cycle with a resolution of 1/65,536 usteps/cycle
S-curve profile: -1/2 to 1/2 usteps/cycle^2 with a resolution of 1/65,536 usteps/cycle^2
All other profiles: -16,384 to 16,383 usteps/cycle^2 with a resolution of 1/65,536 usteps/cycle^2
-1/2 to 1/2 usteps/cycle^3, with a resolution of 1/4,294,967,296 usteps/cycle^3
S-curve (host commands final position, maximumvelocity, maximumacceleration, and jerk)
Trapezoidal (host commands final position, maximumvelocity, and acceleration)
Velocity contouring (host commands maximumvelocity, acceleration)
Electronic Gear (Encoder position used as position command for corresponding stepper axis).
32768:1 to 1:32768 (negative and positive direction)
Sinusoidal
64
15 kHz
90 degrees (used with 2-phase steppers)
120 degrees (used with 3-phase steppers & AC Induction Motors)
2
8 bits
97.6 kHz
A, B, Index
1.75 mCounts/sec
540 uSec/cycle
2 (one for each direction of travel)
160 nSec
Index signal (quadrature A and B must be low)
Home signal
80
Ordering
Information
Technical Specifications
p/n: MC1 41A
2 - 2 axis
1 - 1 axis
Customchipset versions
also available. Call PMD
p/n: DK1241A*
*Supports MC1241A and
MC1141A)
Chipset
Chipset Developer's Kit
Incremental Encoder
Trajectory
profile generator
Host I/O controller
Index
B
A
Internal Block Diagram
host interrupt
Data
Control
PWM dir.
DAC address
Motor Output
System Registers (2)
16
1/a
1/a
1/a
1/phase
2
1
8
5
Quadrature
decoder
counter (2)
Index capture
register (2)
Host command
PWM, DAC signal generator (2-4 channels)
Home
1/a
PosLimit
1/a
NegLimit
1/a
Microstepping
Generator (2)
PWM sign
Over-travel Inputs
Host I/O
Performance Motion Devices, Inc. 12 Waltham St. Lexington, MA 02421 tel: 781.674.9860 fax: 781.674.9861
www.pmdcorp.com