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| 5.030 |
Controllers DMC
controllers
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Key
features |
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62.5
microsecond per axes servo update rate
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Up
to 8 axes of motion control
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Controls
servo motors, step motors, and hydraulics
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12,000,000
counts/sec encoder feedback
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3,000,000
steps/sec for stepper control
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Non-volatile
program memory
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Multitasking
of four independent programs
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I/O
functions and timers for executing PLC
tasks
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Optoisolated
inputs for home, abort, limits
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Digital
I/O and analog inputs
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High-speed
position capture
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High
speed encoder compare output
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Programmable
event triggers ( trip points )
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Modes
of motion: jogging, point-to point positioning,
linear and circular interpolation, electronic gearing
and cam, and contouring
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Easy
programming language plus software tools
for quick start-up and tuning
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Contour
mode for profiling along computer generated
paths such as parabolic or spherical profiles
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Error
handling including programmable software
limits,
automatic error shut-off, amplifier enable,
user-defined error subroutines, and watchdog timer
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PCI-Slot |
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D
E S C R I P T I O N
With
the DMC-series, MICOS offers highest
performance motion controllers. The
controllers are available in different
versions from
1-8 axes, in different form-factors
ISA-, PCI-Slot and external USB/RS-232
and
Ethernet RS-232 versions. All motion
controllers are fully programmable
and can control up to 8 axes of servo-
or
stepper-motors. Added features include
improved program storage, two communication
channels, multiple master electronic
gearing, and out-put compare. Software
is available to support the DMC-series
including the COMDISK for programming
the card, SDK to automatically
tune the motor, and the Visual Basic Toolkit to speed
development of Visual Basic programs. Independent
Axes Positioning: In this mode, each axes follows
its own prescribed profile.
Jogging: The jog mode allows the user to command
each motor to run at a prescribed jog speed. Linear
Interpolation:
The DMC controllers provides a linear interpolation
mode for any combination of 1 to 8 axes. Linear
and Circular Interpolation: The DMC controllers
coordinated motion mode (VM) makes it easy to follow
a two-dimensional path consisting of multiple straight-line
and arc segments. Motion Smoothing: To eliminate
the jerk of mechanical systems, the DMC controllers
provides
profile smoothing. Contouring: The contouring mode
allows the user to bypass the DMC controllers motion
profiler and prescribe
any
arbitrary position trajectory Position increments.
Electronic Gearing: This mode allows up to 8 axes
to be electronically
geared to up to 4 masters. Electronic Cam: This
mode
allows synchronizing up to seven axes with a master
axes according to any function.Dual
Loop: The dual-loop encoder feature enables the
DMC controllers to compensate for backlash.High
Speed
Encoder Compare:
The controller produces a pulse every time the
encoder passes a second specified distance. This
feature
is useful for triggering external events to exact
positions within
0.5 microseconds. High Speed Latch: For precisely
synchronizing the position to an external input,
the high speed latch captures exact
main or auxiliary encoder position on the occurrence
of an input.
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external
Ethernet
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Data
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Block
execution time
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In
contour mode, up to 500 blocks (moves)/sec with
full trajectory calculation
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Position
accuracy:
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±l
quadrature count
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Velocity
accuracy:
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Long-term:
phase-locked, better than .003%
Short-term:
system dependent
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Synchronization:
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All
axes in the same card are perfectly synchronized
and share the same servo cycle. All cards sharing
synchronization signal are perfectly synchronized
in the same servo cycle.
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Position
capture accuracy:
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25
microsec with optoisolation; .1 microsec if by-pass
optoisolation.
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Position
range:
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±2,147,483,647
counts/move; automatic rollover; no limit in
jog or vector modes.
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Acceleration/Deceleration:
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1,024
to 67,107, 840 counts/sec^2
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Motor
command resolution:
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16
bits or .0003 V
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Step
motor control mode:
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Full,
half, or microstep
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Feedback:
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Two
channels of A/B quadrature per axes with third
channel for index. In servo mode, includes auxiliary
encoder inputs for each axes. Single-ended or
differential. Can be configured for quadrature
or pulse and direction.
Option for analog feedback or absolute encoders.
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| General
purpose analog inputs: |
8, ± 10
V; 12-bit resolution ( 16 bit optional )
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| Dedicated
inputs per axes: |
Forward
and reverse limits, high-speed position latch,
home.
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| Dedicated
outputs per axes: |
Analog
motor command, pulse and direction, amplifier
enable, encoder output compare.
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| Axes: |
1
-8 axes per card
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| Power
Requirements: |
+
5 V: 750 mA to 1.25 Amp
+12V:
40 mA to 60 mA
-12V:
40 mA to 60 mA |
| Software
Interface: |
Plug
and Play: Utilities for DOS, Windows 3.1, 98
and Windows 2000
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Note: PCI-Low-Cost:
axes maximum 4, without analog inputs, without
galvanical isolation
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| DMC
controllers Ordering
information |
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| DMC
options |
Order
No.
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DXF
to DMC conversion program
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7110-9-011
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MPA
Power Amplifier Systems, see page 5.060
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ISA
PCI-Low-Cost
PCI
USB/RS232
Ethernet/RS232
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(1..8
axes)
(1..4 axes)
(1..8 axes)
(1..8 axes)
(1..8 axes)
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0
2
3
4
5
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number
axes
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n
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