General Catalog - 99 Pages

PCI Bus Econo Series, 1-4 axes
DMC-18x2 Series
Specifications
System Processor
■ Motorola 32-bit microcomputer
Communications Interface
■ DMC-18x2: PCI with bi-directional FIFO
■ 32-bit PCI interface.64-bit compatible.5 V/3.3 V
Commands are sent in ASCII. A binary communication mode is also available as a standard feature
Modes of Motion:
■ Point-to-point positioning
■ Position Tracking
■ Jogging
■ 2D Linear and Circular Interpolation with feedrate override
■ Linear Interpolation for up to 4 axes
■ Tangential Following
■ Helical
■ Electronic Gearing with multiple masters and ramp-to-gearing
■ Gantry Mode
■ Electronic Cam
■ Contouring
■ Teach and playback
Memory
■ Program memory size—1000 lines x 80 characters
■ 254 variables
■ 8000 array elements in up to 30 arrays Filter
■ PID (proportional-integral-derivative) with velocity and acceleration feedforward
■ Notch filter and low-pass filter
■ Velocity smoothing to minimize jerk
■ Integration limits
■ Torque limits
■ Offset adjustments
■ Option for piezo-ceramic motors
Kinematic Ranges
■ Position: 32 bit (±2.15 billion counts per move;automatic rollover; no limit in jog or vector modes)
■ Velocity: Up to 12 million counts/sec for servo motors
■ Acceleration: Up to 67 million counts/sec2
Uncommitted Digital I/O
DIGITAL INPUTS DIGITAL OUTPUTS ANALOG INPUTS
DMC-18x2 8 8 0
High Speed Position Latch
■ Uncommitted inputs 1-4 latch X,Y,Z,W (latches within 0.1 microseconds)
Dedicated Inputs (per axis)
■ Main encoder inputs—Channel A, A-, B,B-,I, I- (±12 V or TTL)
■ Forward and reverse limit inputs
■ Home input
■ Selectable high-speed position latch input
■ Selectable abort input for each axis
Dedicated Outputs (per axis)
■ Analog motor command output with 16-bit DAC resolution
■ Pulse and direction output for step motors
■ PWM output also available for servo amplifiers
■ Amplifier enable output
■ Error output (per card)
■ High-speed position compare output (per card)
Minimum Servo Loop Update Time
■ 1-2 axes:250 psec 125 psec
■ 3-4 axes: 375 psec 250 psec
Maximum Encoder Feedback Rate
■ 12 MHz
Maximum Stepper Rate
■ 3 MHz (Full, half or microstep)
Power Requirements
DMC-18x2: +5V 750 mA
-12V 20 mA +12V 20 mA
+3.3V 100 mA* Environmental
■ Operating temperature: 0-70° C
■ Humidity: 20—95% RH,non-condensing
Mechanical
■ DMC-18x2:7.275" x 4.2"
* DMC-18x2 revision E and higher require 3.3 V from PCI bus. Order DMC-18x2-3VREG to have a regulator installed to allow 5V only supply.
^Reduced feature set for -FAST.
www.galilmc.com / Galil Motion Control, Inc.
21
General Catalog
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