Integrated Stepper Motors
Liberty MDrive® LH57 NEMA 23 Pulse/direction IP20 – High Torque
Liberty MDrive® LH57 NEMA 23 Pulse/direction IP20 – High Torque
Compact integrated motor with RS-422/485 communications interface. Feedback options include open loop, closed loop or absolute encoder with hMTechnology.
- Motor size: NEMA 23 (57 mm)
- Holding Torque range: 152 … 416 oz-in (107 … 294 N-cm)
- Input voltage: +12 to +60 VDC
Overview
- Motor size: NEMA 23 (57 mm)
- Holding Torque range: 152 … 416 oz-in (107 … 294 N-cm)
- Input voltage: +12 to +60 VDC
General Specifications
| Specification | Value |
|---|---|
| Control Type | Pulse/direction input |
| Communications Interface | RS-422/485 |
| Communications Features | MCode OS |
| NEMA Size | 23 (57 mm) |
| Torque Range | 152 … 416 oz-in (107 … 294 N-cm) |
| Heatsink Operating Temperature | 85°C |
| Motor Operating Temperature | 100°C |
| IP Rating | IP20 |
Electrical Specifications
| Specification | Value |
|---|---|
| Input Voltage | +12 … +60 VDC |
| Power Supply Current Requirement | 3.5 A |
I/O Specifications
| Specification | Value |
|---|---|
| Signal Inputs: +5 to +24 VDC | |
| Voltage Range | 5 … 24 VDC |
| Input Current @ +5 VDC | 8.7 mA |
| Input Current @ +24 VDC | 14.6 mA |
| Pulse (Step) | 2.56 MHz |
| Quadrature | 1.25 MHz |
| Enable | 5 kHz |
| Isolation | Galvanic |
| Protection Class | III |
| Analog Input | |
| Voltage Mode | 0 … 10 VDC |
| Current Loop Mode | 0 … 20 mA |
| Resolution | 12 bits |
| Isolation | None |
| Signal Outputs: 1 – 5.5 mA | |
| Voltage Open-Collector | 60 VDC |
| Voltage Open-Emitter | 7 VDC |
| Current Open-Collector | 5.5 mA |
| Current Open-Emitter | 5.5 mA |
| Isolation | Galvanic |
Motion Specifications
| Specification | Value |
|---|---|
| Open Loop (No encoder or hMT/Encoder Functions Off) | |
| Microstep Resolution (# of Settings) | 20 |
| Microstep Range | 200 … 51200 steps/rev |
| Counter Type | 32-bit Position |
| Counter Edge Rate | 5 MHz (max.) |
| Velocity Range | ±2560000 steps/sec, ±3000 RPM |
| Velocity Resolution | 0.5961 steps/sec |
| Accel/Decel Range | 1.5 X 10⁹ steps/sec² |
| Accel/Decel Resolution | 90.9 steps/sec² |
| Closed Loop (hMT/Encoder Functions On) | |
| Incremental Encoder Type | Internal, magnetic |
| Incremental Encoder Resolution | 1000 lines / 4000 edges |
| Multi-turn Absolute Encoder Type | Internal, magnetic |
| Multi-turn Absolute Encoder Data Retention (Internal Power) | 30 days |
| Multi-turn Absolute Encoder Data Retention (Battery Pack) | 5 years |
| Common Scaling (Encoder Counts : Full Step) | 20:1 |
| Common Counter Type | 32-bit Encoder |
| Common Encoder Functions (hMTechnology OFF) | Position maintenance, Find index, Stall detect |
| Common Encoder Functions (hMTechnology ON) | Anti-stall, Variable current control, Torque mode |
Software Specifications
| Specification | Value |
|---|---|
| Parameters | |
| Microstep resolution | 200 … 51200 steps/rev |
| Run current | 1 … 100 % |
| Holding current | 0 … 100 % |
| Hold current delay | 0 … 65535 ms |
| Clock modes | Step/dir, Quadrature, CW/CCW |
| Motion input filter | 38.8 kHz – 10 MHz |
| Enable input | Active state/filter |
| Advanced Operating Modes | Pulse/direction, Speed Control, Commanded Velocity, Torque Control1 |
| Advanced Parameters: Common | RS-422/485 |
| Advanced Parameters: Mode specific | I/O, Motion, Analog input, Velocity |
| hMTechnology | |
| hMT modes | hMT OFF, Fixed current, Variable current, Torque |
| Operation | Make-up position, Torque % |
- Filter by Part Number
- GEARBOX
- CK-14
- MD-CC404-000
| Part Number | Description | ||
|---|---|---|---|
 |
GEARBOX |
Powerful yet lightweight, suitable for complex production cycles due to low-friction bearing design and optimized lubrication. Straight and right angle configurations available in NEMA 17, 23 and 34 sizes as custom accessories for Novanta IMS motor and integrated motor products. To get started, complete the form below. |
|
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CK-14 |
Kit includes one 2-pin power mate, and one set (2 pieces) 7-pin multi-function mates for Liberty* MDrive IP20 Pulse/direction models. |
|
 |
MD-CC404-000 |
USB-pluggable converters set/program communication parameters in 32- or 64-bit. Pre-wired DB9 mating cable included. |
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Talk to an Application Engineer
Work directly with our technical team to optimize motion configuration, system integration, and control interfaces.