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Table 1.10: ACME Screws for the MDI23 Linear Actuator
WARNING: The ACME Screw MUST NOT deflect
more than ± 1 degree perpendicular to the motor face.
Additional support for radial loads may be required!
WARNING: The maximum axial load limit for the
MDrive23 Linear motor is 200 lbs (90.7 kg). Do not
exceed this rating!
MDrive23 Motion Control ACME Screw
General Specifications
Input Voltage (+V)
Range ......................................................................................................................... +12 to +48 VDC
Analog Input
Resolution ................................................................................................................. 10 Bit
Voltage Range ............................................................................................................. 0 to +5 Volts
Programmable I/O
Number ...................................................................................................................... 4
Interface Type ........................................................................................................... Open Collector
Voltage Range ............................................................................................................. 0 to +24 VDC
Output Sink Current ................................................................................................. 700 mA
Protection .................................................................................................................. Over Temp., Short Circuit, Inductive Clamp
Communication
Protocol ..................................................................................................................... RS-485, Full/Half Duplex Selectable
BAUD Rate............................................................................................................... 4800, 9600, 19.2k, 38.0k, 115.2k
Motion
Microstep Resolution (Open Loop Configuration)
Number of Settings ................................................................................................... 14
Steps per Revolution ................................................................................................ 400, 800, 1000, 1600, 2000, 3200, 5000
6400, 10000, 12800, 25000, 25600, 50000
51200
Microstep Resolution (Closed Loop Configuration)
Steps per Revolution (Fixed).................................................................................... 51200
Encoder (Optional)
Type .......................................................................................................................... Internal, Magnetic
Resolution ................................................................................................................. 512 Lines/2048 counts per Revolution
Counters
Type .......................................................................................................................... Position(C1), Encoder (C2)
Resolution ................................................................................................................. 32 Bit
Edge Rate (Max) ........................................................................................................ 5 MHz
Velocity
Range ......................................................................................................................... ±5,000,000 Steps per Second
Resolution ................................................................................................................. 1 Step per Second
Acceleration/Deceleration
Range ......................................................................................................................... 1.5 x 10
9
Steps per Second
2
Resolution ................................................................................................................. 90.9 Steps per Second
2
MDI23 ACME Screws
Screw Travel/Full Step - Inches (mm)
F 0.002 (0.0508)
A 0.001 (0.0254)
B 0.000833 (0.0211582)
C 0.0005 (0.0127)
D 0.0004167 (0.00793750)
E 0.0003125 (0.0079375)