Siemens Micromaster 430 or MM430 Drive – Find comprehensive resources for Siemens AC drives, including product catalogs, manuals, price list, programming guides, fault, alarm, warnings & software support. Get expert assistance for troubleshooting and optimization.
Siemens MICROMASTER 430 is a frequency inverter designed for variable-speed control of three-phase AC motors. It’s particularly well-suited for applications involving pumps and fans in industrial settings.
- Power rating: 7.5 kW to 250 kW
Features
- Variable Torque Applications: The MICROMASTER 430 is optimized for variable torque applications, making it ideal for pumps and fans where the load torque changes with the square of the speed.
- Enhanced Functionality: Compared to the MICROMASTER 420, the 430 offers expanded functionality, including: More inputs and outputs.
- Application Versatility: While geared towards pumps and fans, it can be used in a range of industrial applications requiring variable-speed control.
- Integrated PID Controller: It features a high-grade internal PID controller for process control, enabling precise regulation of variables like pressure or flow.
- Motor Protection: Comprehensive motor and inverter protection features are integrated.
- Modular Design: It has a modular design, increasing the flexibility of the device.
Key features & benefits
- Easy, guided start-up
- Modular construction allows maximum configuration flexibility
- Six programmable isolated digital inputs
- Two scaleable analog inputs (0 V to 10 V, 0 mA to 20 mA) can also be used as a 7th/8th digital input
- Two programmable analog outputs (0 mA to 20 mA)
- Three programmable relay outputs (30 V DC/5 A resistive load; 250 V AC/2A inductive load)
- Low-noise motor operation thanks to high pulse fre- quencies, adjustable (observe derating if necessary)
- Complete protection for motor and inverter
- Control of up to three additional drives on the basis of PID control (motor staging)
- Operation of drive directly on mains (with external by- pass circuit)
- Low-energy mode
- Detects dry run of pumps (belt failure detection).
Applications
- Pumps
- Fans
- Ventilators
- Other variable torque applications.
Specifications
| Power ranges | 7.5 kW to 250 kW |
| Voltage ranges | 3 AC 380 V to 480 V |
| Control methods | V/f characteristic Multipoint characteristic (programmable V/f characteristic) FCC (flux current control) |
| Process control | Internal PID controller |
| Inputs | 6 digital inputs 2 analog inputs 1 PTC/KTY input |
| Outputs | 2 analog outputs 3 relay outputs |
| Interfacing to automation system | The ideal partner for your automation tasks, whether with SIMATIC S7-200, SIMATIC S7-300/400 (TIA) or SIMOTION |
| Additional features | Low-energy mode Load torque monitoring (detects dry run of pumps) Motor staging Bypass mode BICO technology |
Siemens MICROMASTER 430 is a robust and flexible frequency inverter designed to provide efficient and reliable variable-speed control, especially in pump and fan applications.