Product Overview | Schneider EALU Series SH140/30270 High Performance Servo Motor
Core Positioning:
Schneider Electric”s EALU series servo motor, model SM140/30/120/P1/45/S1/B1, is a high-precision, high-reliability drive solution tailored for industrial automation. By integrating Schneider”s advanced motor control technology with the modular EALU design,
this motor excels in scenarios demanding dynamic response, precise positioning, and long-term stability.
Model Analysis | Decoding the SH140/30270 Configuration
1. SM140/30/120/P1/45/S1/B1 Series Designation: SH140
- Represents the medium-to-large power range, with an estimated power output of 0.75kW–3kW.
2. Core Parameter Code: 30270
This code encompasses critical specifications such as speed, torque, and encoder resolution.
For example, it may indicate:
- Rated speed: 3000 rpm
- Rated torque: 2.7 Nm
(Actual values depend on the full parameter set.)
3. Configuration Fields: 0/1/00/00/00/00/00
These digits define additional options, including but not limited to:
- Voltage level
- Protection rating (e.g., IP65)
- Communication protocol (e.g., EtherCAT, CANopen)
- Functional add-ons (e.g., brakes, oil seals).
With closed-loop feedback, the load-to-rotor-inertia ratio of the motor also increases. A stepper motor can handle about 10 times the rotor inertia, while a servo motor can handle 100 times the rotor inertia. For comparison, a closed-loop stepper motor can handle 30 times its rotor inertia.Stepper motors can operate without feedback, so they require fewer components to operate. This is why they are more cost-effective. Servo motors require feedback and operate in a PID loop, so they require more components.效率Stepper motors use current chopping driver technology, which allows them to provide a constant current supply, regardless of the load. Current is proportional to temperature, so the duty cycle of a stepper motor needs to be limited to around 50%. Servo motors provide more efficient current control, as they only draw the current they need. One thing that stepper motors are better at is that they can produce holding torque at zero speed. Servo motors use more power to produce holding torque.
Technical Features | Precision Control Meets High Efficiency
1. Core Performance Parameters
Power & Torque:
- SM140/30/120/P1/45/S1/B1 Rated power: Estimated 1.5kW–2.2kW (refer to selection manual).
- Rated torque: 2.7 Nm (example; actual value based on code “270”).
- Peak torque: Exceeds 3× rated torque for short-term overload demands.
Speed Range:
- Rated speed: 3000 rpm (supports high-speed light-load or low-speed heavy-load modes).
- Speed ratio: 1:5000 (stepless regulation for multi-condition switching).
Application Scenarios | Powering Industry 4.0
1. CNC Machining & Precision Tools
Typical Uses:
- Spindle drives
- Feed axis control
- Five-axis machining centers
Advantages:
- SM140/30/120/P1/45/S1/B1 High rigidity and low vibration ensure surface finish quality (Ra ≤ 0.8 μm).
- Full closed-loop control eliminates mechanical errors (e.g., screw backlash).
2.. New Energy & Environmental Equipment
Typical Uses:
- Wind turbine pitch systems
- Sewage treatment agitators
- Solar tracking brackets
Advantages:
- SM140/30/120/P1/45/S1/B1 Wide temperature range (-20°C to +60°C) for extreme environments.
- Corrosion-resistant coating extends outdoor lifespan.
Learn More: Click here for Schneider ELAU motor details.
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