Integrated Stepper Motors
Liberty MDrive®
Liberty MDrive® LH57 NEMA 23 CANopen IP65 – High Torque
Compact integrated motor with CANopen CiA301 and CiA402. 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 | CANopen |
| Communications Interface | CAN Bus 2.0B |
| Communications Features | CANopen DS301, DSP402 |
| 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 |
|---|---|
| CANopen – CiA Standards Compliance | |
| Application Layer | DS301: CANopen application layer and communication profile |
| Profile | DSP402: CANopen device profile for drives and motion control |
| Connectivity | DR303-1: Cabling and connector pin assignment |
| Commisioning | DS305: CANopen layer setting services (LSS) and protocols |
| CANopen – General Features | |
| Setup Parameters | Storable to NVM |
| Transmit PDOs | 4 Dynamically Mappable |
| Receive PDOs | 4 Dynamically Mappable |
| Manufacturer Specific Objects | I/O Configuration, Run/Hold Current |
| Modes of Operation | Profile Position, Homing Mode, Profile Velocity, Profile Torque¹, Cyclic Synchronous Position |
| Input Functions | General purpose, home, limit |
| Output Functions | General purpose, braking |
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 | 26.4 oz (748 gm) | 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 Type
- Datasheet
- Hardware Manual
- Software Manual
- Software Interface
- Filter by Part Number
- ICP0531
- GEARBOX
- MD-CS650-000
- MD-CS620-000
- MD-CS610-000
- PLG-M12TP
- MD-CS660-000
- MD-CC502-000
| 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. |
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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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MD-CS650-000 |
The MD-CS650-000 is a 5-position, A-coded M12 female with flying leads cable used to interface the CAN bus to Liberty* MDrive products. Pre-wired shielded cables with straight M12 connector end for interfacing a CAN network. 10′ (3 m) M12 to flying leads cable. |
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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. |
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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. |
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PLG-M12TP |
Terminator Plug for CANopen IP65 products. Use with MD-CS660-000 |
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MD-CS660-000 |
Connect multiple CAN units together in sequence with this Y cable. A termination plug, such as PLG-M12TP, is required at end of run. |
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MD-CC502-000 |
USB to CANopen pluggable converters set/program communication parameters in 32- or 64-bit. Includes converter, cable& terminating resistor plug. |
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