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Home > All Products > MDrive Intelligent Motors > Lexium MDrive Linear Motion Products > LMD23 NEMA 23 Pulse/direction External Linear Actuator IP65
Lexium MDrive Linear Actuator NEMA 23 IP65
Lexium MDrive®

LMD23 NEMA 23 Pulse/direction External Linear Actuator IP65

Compact  integrated motor  with RS-422/485 communications interface. Feedback options include open or closed loop with hMTechnology. [/wpv-conditional]

  • Motor size: NEMA 23 (57 mm)
  • Holding Torque range:
  • Input voltage: +12 to +60 VDC
  • Specifications
  • Motor Performance
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New to integrated motors? Learn how integrated motion devices can reduce the cost, size and complexity of your machine in this whitepaper. > Read more
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Icon Datasheet
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Specifications

General Specifications

General
Control type — Pulse/direction input
Communications interface — RS-422/485
Communications features — MCode OS
NEMA size — 23 (57 mm)
Torque range oz-in (N-cm)
Operating temperature [°C] heatsink 85
[°C] motor 100
IP rating — IP65

California Residents – Click here for Proposition 65 warning

Electrical Specifications

 

Electrical
Input Voltage [+VDC] +12 to +60
Power Supply Current Requirement [A] 3.5

I/O Specifications

Logic and I/O
Pulse, direction and enable +5 to +24 VDC
Voltage Range [+VDC] 5 … 24
Input Current [mA @ +5 VDC] 8.7
Input Current [mA @ +24 VDC] 14.6
Input Frequency
Pulse (step) [MHz] 2.56
Quadrature [MHz] 1.25
Enable [kHz] 5
Isoation — Galvanic
Protection class — III
Analog Input
Voltage Mode [0 … 5 VDC} 0 … 5
Voltage Mode [0 … 10 VDC} 0 … 10
Current Loop Mode [mA] 0 … 20
Resolution [Bits] 12
Isolation — None
Signal (Attention) Output: 1 – 5.5 mA
Voltage open-collector [+VDC] 60
Voltage open-emitter [+VDC] 7
Current open-collector [mA] 5.5
Current open-emitter [mA] 5.5
Isolation — Galvanic
[/su_spoiler]

Motion Specifications

Motion
Open Loop (No encoder or hMT/Encoder functions off)
Microstep resolution # of settings 20
Range [steps/rev] 200 … 51200
Counter type [32-bit] Position
Counter edge rate [MHz] (max.) 5
Velocity range [steps/sec | RPM] ± 2560000 | ± 3000
Velocity resolution [steps/sec] 0.5961
Accel/Decel range [steps/sec2] 1.5 X 109
Accel/Decel resolution [steps/sec2] 90.9
Closed Loop (hMT/Encoder functions on)
Encoder type Internal, magnetic
Encoder resolution [Lines / Edges] 1000 / 4000
Scaling [Encoder counts : Full step] 20:1
Counter type [32-bit] Encoder
Encoder functions [hMTecnology OFF] Position maintenance
Find index
Stall detect
[hMTechnolgy ON] Anti-stall
Variable current control
Torque mode



[/wpv-conditional]

Software Specifications

Software
Parameters
Basic Parameters
Microstep resolution [steps/rev] 200 … 51200
Run current [%] 1 … 100
Holding current [%] 0 … 100
Hold current delay [mSec] 0 … 65535
Clock modes — Step/dir, Quadrature, CW/CCW
Motion input filter [kHz … MHz] 38.8 … 10
Enable input — Active state/filter
Advanced Operating Modes Pulse/direction
Speed Control
Commanded Velocity
Torque Control1
Advanced Parameters Common RS-422/485
Mode specific I/O
Motion
Analog input
Velocity
hMTechonolgy1
hMT modes hMT OFF
Fixed current
Variable current
Torque
Operation Make-up position
Torque %
1) Closed loop models with encoder only.


Motor & Mechanical

Motor Performance

Screw G

Screw A

Screw B

Screw D

Screw key
Screw G0.3750′ (9.525 mm) per revolution
Screw A0.20′ (5.08 mm) per revolution
Screw B0.167′ (4.233 mm) per revolution
Screw D0.0833′ (2.116 mm) per revolution

NOTE: Do not exceed the rated thrust limit of the nut being used:

  • General purpose nut: 60 lbs (27 kg)
  • Anti-backlash nut: 25 lbs (11 kg)

Motor Characteristics
Spec Notes Value
Maximum screw misalignment ° ±1
General purpose nut
Maximum thrust lbs 60
kg 27
Maximum repeatability in 0.005
(mm) (0.127)
Anti-backlash nut
Maximum thrust lbs 25
kg 11
Maximum repeatability in 0.0005
mm 0.0127
Motor
Rotor inertia oz-in-sec2 0.0025
kg-cm2 0.18
Weight (without screw) oz 24.8
g 703
Leadscrew Characteristics

Screw travel specifications

Travel per revolution
Screwinchesmm
Screw G0.3759.525
Screw A0.205.08
Screw B0.1674.233
Screw D0.08332.116
Travel per full step
Screwinchesmm
Screw G0.0018750.0476
Screw A0.0010.0254
Screw B0.0008350.0212
Screw D0.00041650.0106

Dimensional information

Dimensional information
in / mm
A 3.0 to 24.0 / 77.5 to 610.0
in 0.1 / 0.25 increments
B 0.50 / 12.7
C 0.375 / 9.525

Nut specifications

General purpose nut

For applications not requiring backlash and wear compensation. Round flange shape.

Max Thrust: 25 lbs (11 kg)

Anti-backlash nut

For applications requiring backlash-free operation for high accuracy and low drag torque. Triangle flange shape.

Factory-preloaded: The anti-backlash nut ships pre-loaded from the factory. Should you need to remove it please read the assembly instructions.

Max Thrust: 5 lbs (2 kg)

General purpose nut

For applications not requiring backlash and wear compensation. Round flange shape.

Max Thrust: 60 lbs (25 kg)

General Purpose Nut

Anti-backlash nut

For applications requiring backlash-free operation for high accuracy and low drag torque. Triangle flange shape.

Factory-preloaded: The anti-backlash nut ships pre-loaded from the factory. Should you need to remove it please read the assembly instructions.

Max Thrust: 25 lbs (11 kg)

Anti-backlash nut

 

End treatment options
End treatments
None —
Smooth Ø 0.2362″ ±0.001 Ø 6mm ±0.003
Threaded  Metric: M6 x 1.0mm thread to within 0.03″/ 0.76 mm of shoulder UNC: 1/4-20 UNC-2A thread to within 0.05″/ 1.3 mm of shoulder
Need a custom leadscrew solution?

Custom screw ends

SEM offers numerous customization options for your lead screw. Contact us to learn more!

Leadscrew maintenance statement

While under optimal conditions lubrication interval is expected to occur approximately once every 1000 hours of service. Actual life will depend on application and environment. Based upon this, frequent inspections must be performed and a maintenance interval determined based on actual conditions.

Recommended lubricant: Dupont Krytox GPL 206

Mechanical/Dimensional Information


Lexium MDrive Linear Actuator NEMA 23 Dimensions

Documents & Downloads

3D Models
Icon
LMD23 NEMA 23 External Linear Actuator IP65 3D Model
February 2018
1.53 MB
Catalogs
Icon
Lexium MDrive Linear Actuator brochure
April 2019
796.85 KB
Firmware - Released
Icon
LMD Pulse/direction V5.011
5.011
0
Hardware Manuals
Icon
LM57/LM85 Pulse/direction with M12 circular connectors
April 2019
6.63 MB
Product Datasheets
Icon
LMD23 Linear Actuator
June 2020
1.04 MB
Software Manuals
Icon
Lexium Software Suite Manual
June 2020
7.24 MB
User Interface Software
Icon
Lexium Software Suite
1.0.1.8
4.82 MB
MD-CS630-000 Cordset
I/O Interface Cable
MD-CS620-000 Cordset
Power Interface Cable
MD-CS600-000 Cordset
Communications Interface Cable
MD-CC405-000 Communication Converter Kit
USB to RS-422/485

Part Number Builder

Lexium MDrive Linear Actuator Part Builder

Accessories

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