Integrated Stepper Motors
Liberty MDrive®
Liberty MDrive® LH57 NEMA 23 Programmable Motion Control IP65 – High Torque
Compact programmable 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
General Specifications
| Specification | Value |
|---|---|
| Control Type | Programmable Motion |
| 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 | IP65 |
Electrical Specifications
| Specification | Value |
|---|---|
| Input Voltage | +12 … +60 VDC |
| Power Supply Current Requirement | 3.5 A |
| Aux-Logic Supply Voltage | 12 … 24 VDC |
| Aux-Logic Supply Current | 194 mA max |
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 |
| Input Frequency | 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 |
| Power Outputs | |
| Number of Open or Closed Loop | 2 |
| Number of Absolute Encoder | 1 |
| Voltage Rating | -24 … +24 |
| Current Rating | -100 … +100 mA |
| Protection | over temp, short circuit, transient, over voltage, inductive clamp |
| Isolation | Galvanic |
| 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 |
|---|---|
| MCode OS | |
| Program Storage Type | Flash |
| Program Storage | 11120 Bytes |
| Multidrop Addresses | 62 |
| User Registers (Integer) | 4 |
| User Registers (Floating Point) | 8 |
| User Registers (Length) | 32 Bits |
| Math | +, -, x, ÷, >, <, =, <=, >= |
| Logic | AND, OR, XOR, NOT |
| Trigonometric | ABS, COS, ACOS, LOG, LOG10, PI, SIN, ASIN, SQRRT, TAN, ATAN |
| Branch Functions | Branch & call |
| Input Functions | Home, limit plus, limit minus, go, stop, pause, jog plus, jog minus, general purpose, capture |
| Output Functions | Moving, error, velocity change, stall, locked rotor, moving position, hMT active, make-up active, encoder A, encoder B, trip, attention. general purpose, |
| Trip Functions | Trip on input, trip on position, trip on time, trip capture, trip on relative position, trip on main power loss |
| Encoder Functions | hMTechnology, stall detection, position maintenance, find index |
Motor Performance
Test conditions: 100% current with damper simulating load.
Single Stack Length
Double Stack Length
Triple Stack Length
Motor Specifications
| Single Length | Double Length | Triple Length | |
|---|---|---|---|
| Holding Torque | 152 oz-in (107 N-cm) | 264 oz-in (186 N-cm) | 416 oz-in (294 N-cm) |
| Rotor Inertia | 0.0019 oz-in-sec² (0.14 kg-cm²) | 0.003 oz-in-sec² (0.22 kg-cm²) | 0.0052 oz-in-sec² (0.37 kg-cm²) |
| Detent Torque | 8.5 oz-in (6 N-cm) | 14.2 oz-in (10 N-cm) | 21.2 oz-in (15 N-cm) |
| Radial Load Limit | 15 lbs (6.8 kg) | ||
| Axial Load Limit | 20 lbs (9 kg) | ||
| Weight | 31.2 oz (885 gm) | 44 oz (1247 gm) |
Mechanical Dimensions
| Motor Length | Lₘₐₓ₁ | Lₘₐₓ₂* |
|---|---|---|
| Single | 3.32 in (84.3 mm) | 4.06 in (103.1 mm) |
| Double | 3.73 in (94.8 mm) | 4.47 in (113.6 mm) |
| Triple | 4.60 in (116.8 mm) | 5.35 in (135.8 mm) |
- Filter by Part Number
- ICP0531
- GEARBOX
- MD-CS620-000
- MD-CS610-000
- MD-CS600-000
- MD-CC405-000
| Part Number | Description | ||
|---|---|---|---|
 |
ICP0531 |
The ICP0531 Encoder Back-up Battery Pack will provide back-up power for the Liberty* MDrive Absolute Encoder circuitry, retaining and updating the position data for a period of up to five (5) years. The battery pack requires three (3) Energizer L91 1.5V AA Lithium batteries. |
|
 |
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. |
|
 |
MD-CS620-000 |
The MD-CS620-000 is a 4-position, B-coded M12 female with flying leads cable used to interface DC power to Liberty* MDrive products. Pre-wired shielded cables with straight M12 connector end for interfacing DC power. 10′ (3 m) M12 to flying leads cable. |
|
 |
MD-CS610-000 |
The MD-CS610-000 is a 12-position, A-coded M12 female to flying leads cable used to interface I/O signals to Liberty* MDrive products. Pre-wired shielded cables with straight M12 connector end for interfacing logic and I/O. 10′ (3 m) M12 to flying leads cable. |
|
 |
MD-CS600-000 |
The MD-CS600-000 is a 5-position, A-coded M12 male with flying leads cable used to interface RS-422/485 communications to Lexium MDrive products. It is not required if the MD-CC405-000 USB to M12 communications converter is being used. Pre-wired shielded cables with straight M12 connector end for serial communications. 10′ (3 m) cable. |
|
 |
MD-CC405-000 |
USB-pluggable converters set/program communication parameters in 32- or 64-bit. Kit includes pre-wired shielded cable with M12 connector. |
|
Talk to an Application Engineer
Work directly with our technical team to optimize motion configuration, system integration, and control interfaces.