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SFU 0303/2

SFU 0303/2
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SFU 0303/2

Product catalog summary
Introduction
The SFU 0303 Frequency Converter is engineered for controlling the speed of 3-phase AC and BLDC motors, offering high efficiency, real-time vector control, and seamless integration with PLCs. Key features include a safe power stage pulse inhibitor, high acceleration rates, and interfaces like RS232 and USB.
Description and Features
Supporting both asynchronous AC and BLDC motors, the converter delivers high output power in a compact design. It utilizes a Digital Signal Processor (DSP) for precise sinusoidal output signals and ensures operational safety with condition monitoring. Features include a detachable operating panel and software-based direction reversal.
Technical Data
Available in various versions (SSE, 19", Desktop), the SFU 0303 supports a wide range of operating voltages and offers multiple control inputs and outputs. It is short circuit proof and provides galvanic separation of interfaces.
Safety Precautions and Warnings
Handling should be restricted to qualified personnel due to high voltages. Proper fixation of the spindle and tool is crucial to prevent uncontrolled movements. Avoid operation near strong magnetic fields or aggressive substances.
Connections, Interfaces, and Pinouts
The SFU 0303 includes several inputs and outputs for PLC integration, with pluggable screw terminals and configuration flexibility via SFU-Terminal software. It is compatible with its predecessor, SFU0302, with some differences in digital input functions.
Setup and Operation
Setup is facilitated by Windows software, featuring an autotuning function for spindle setup, remote control support, and a user-friendly debugging interface.
Additional Features
Includes a datalogger function, controlled fan, and detachable operating panel for remote control. Designed for industrial environments, it features a compact case style for easy cabinet mounting.
Conclusion
The SFU 0303 Frequency Converter is a versatile and efficient solution for motor speed control in various industrial applications, suitable for demanding environments due to its robust design and comprehensive features.
Overview
The document provides technical specifications and operational guidelines for the SFU0303 Frequency Converter, detailing its digital and analog inputs/outputs, spindle interface, mains and spindle connections, and communication interfaces.
1. Digital and Analog Inputs/Outputs
Utilizes a 25-pin D-Sub female connector for inputs and outputs. Input 2 is reserved for internal functions, requiring alternative configuration for certain functions. Relay 6 is unavailable. Default output settings can be customized using SFU-Terminal software.
2. Spindle Interface
Separated by optocouplers, it supports automatic spindle detection and temperature monitoring via PTC or KTY sensors. Allows spindle characteristic selection through digital inputs, with low-active logic levels by default.
3. Mains and Spindle Connection
Connection requirements vary for different versions (SSE, 19", Desktop). Emphasizes proper grounding (PE) and shielded cables for safety and performance.
4. Communication Interfaces
Equipped with RS232 and USB interfaces, with RS232 located on the front panel for SSE devices and on the back for others. These interfaces share functionality and can be used alternatively.
5. Functions, Commissioning, and Operation
Describes setup and operation of spindle characteristics, crucial for controlling spindle behavior under various load conditions. Details start and stop procedures, status displays, and troubleshooting tips for common issues.
6. Status Displays
Status indicated through LED displays and an LCD operating panel, providing real-time feedback on operational state and errors.
Operating Elements
Includes Start-Button, Stop-Button, Encoder Potentiometer, Menu-Button, and LED Indicators for operation and error status.
Setup Menu
Accessed by holding the Menu-Button for over 1 second. Options include Direction of Rotation, Spindle Characteristic Selection, Debug Mode, Firmware Version, Language Selection, Contrast Adjustment, and Configuration Read/Write.
Safety and Error Messages
Errors such as overload, overtemperature, and voltage issues are displayed in plain text. Safety functions include controlled braking for excess temperature or overload, and immediate stop for short circuits or emergency signals.
Adjustments and Cloning
Speed adjustments can be made manually or via analog input. Cloning allows configuration transfer between converters using Read/Write Config functions.
Start/Stop Methods
Includes digital control via input signals, analog control via voltage application, manual control using the operating panel, and serial command via RS232 or USB.
SFU-Terminal Software
Used for configuration and parameterization of frequency converters, allowing reading and modification of system data. Connection established via USB/RS232.
Automatic Spindle Tuning and Calibration
Autotuning tool in SFU-Terminal assists in creating spindle characteristics, requiring input of basic spindle data and nominal voltage.
Examples of Connection
Includes mains and spindle connection diagrams, and logic and wiring examples for safety circuits.
Specifications and Procedures
Outlines the use of an interface for automatic spindle detection, which should be used after consulting with BMR. Spindle characteristic can be selected via PLC or external switches. A voltage regulator 7810 stabilizes the reference analogue voltage for duty speed, and outputs generate logic levels of 0V and +24V.
EMC Compliance
Compliance with EMC limit values is the responsibility of the machine manufacturer. Recommendations include using short and large cross-section earth and shield connections, using shielded cables, and isolating supply, motor, and control cables from each other.
Troubleshooting
Provides a detailed troubleshooting guide for errors such as emergency stop wiring issues, excess temperature, short circuit detection, and spindle connection problems. Solutions include checking wiring, cooling the converter, and ensuring proper spindle characteristics are selected.
General Hints
Frequency converters are precision devices requiring careful handling. Ensure the device is undamaged before use and observe safety regulations. Avoid operation near heating devices or strong magnetic fields, and maintain ambient temperature between +41°F and +104°F.
Warranty
BMR offers a one-year warranty on frequency converters for material, mounting, and construction errors. Warranty claims must be submitted in writing, and the customer is responsible for shipping costs. The warranty covers repair or replacement of defective parts but excludes consequential damages.
Company Overview
BMR GmbH emphasizes flexibility and customer-specific solutions in design, maintaining high quality standards. The company adheres to high economic and ecological standards, particularly in manufacturing, with a focus on continuous improvement.
Product Overview: SFU 0303 Frequency Converter
  • Accessories: Includes various cables (RS232, USB, RS485), an LCD operating panel, mounting brackets, and connection clamps.
  • Mechanical Versions: Available in cabinet mounting, 19" version, desktop, and desktop 63TE versions.
Cooling Unit KG-T 500
  • Specifications: Nominal voltage of 100 - 250 VAC, maximum power input of 80W, and maximum cooling power of 500W at ambient temperatures below 23°C.
  • Features: Controlled by an internal microprocessor, suitable for high-speed spindles, with a maximum spindle power range of 2000W.
Spindle Illumination Ring
Provides adequate illumination directly at the point of need, eliminating shadows.
Remote Control Option
An optional remote control adapter is available for direct connection to the I/O interface, allowing for speed adjustment and converter control via a potentiometer and rocker switch. It includes LED indicators for digital output status and generates all required voltages internally.
Quality Commitment
BMR GmbH commits to 100% German manufacturing, precision, reliability, support, and flexibility.
Note: The document is subject to technical alterations as of May 2017.
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Catalog excerpts

SFU 0303/2-1

The Sign of Qua lity Made in Germany

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SFU 0303/2-3

5 Safety Precautions and Warnings 6 Connections, Interfaces and Pinout 6.1 Digital and Analogue Inputs and Outputs 10 6.3 Version SSE: Mains Connector, Spindle Connector 13 6.4 Version 19": Mains Connector, Spindle Connector 14 6.5 Version Desktop: Mains Connector, Spindle Connector 15 7 Functions, Setup, Operation 7.1 Front panel of SSE, Desktop und 19" Version 18 8 Setup with Windows-Software 9 Automatic Spindle Tuning 11.1 Mains and Spindle Connection 11.2 Logic and Wiring for Safety 16.1 SEE Version for cabinet mounting 17 Other products of BMR GmbH ...when...

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SFU 0303/2-4

Introduction Due to its construction, the rotational speed of a 3-phase AC motor is directly dependent on the frequency of the voltage and the number of poles. In case of a 3PH 50Hz voltage and a 2-pole motor, the nominal speed would be 50 rps * 60 = 3000 rpm. In case of BLDC motors (brushless dc), the speed is directly dependent on the voltage applied. 3-phase AC motors provide numerous benefits in industry, such as brushless operation, freedom from wear and tear, favorable capacity/weight ratio, high-speed capability, and much more. These motors can be used many different application areas,...

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SFU 0303/2-5

Start/Stop Interface for periodical tests or remote control Operating panel is detachable and can be used as remote control together with an extension cable Designed for roughest use in industrial environment The housing of SSE is realized without ventilations slots and an outside mounted heatsink. preventing by this the intrusion of dirt and chips of tooling. Very compact case style makes easy cabinet mounting possible Several case options for cabinet mounting (SSE) , 19" rack style and desktop, or special designs on request User friendly Screw-plug connector system for power-, spindle- and...

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SFU 0303/2-6

S Operation of Asynchronous AC und BLDC Motors S The high frequency converter SFU-0303 makes possible output frequencies 3.3 kHz / 200.000 Upm with 2pole AC-Motors and with BLDC-Motors up to 100.000rpm S High output power ( 3,6kV @ 230V / 2kVA @ 115V ) in compact style S The core of SFU-0303 is a Digital Signal Processor (DSP) which produces all output signals and collects all input signals S All parameters like current, voltage and frequency are collected in real time and are regulated by the implemented vector control depending on the load condition. S High precision sinusoidal output signals...

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SFU 0303/2-7

Block Diagram …when it comes to quality! BMR GmbH

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SFU 0303/2-9

Operating conditions 5 - 40°C / rel. Humidity of air max. 85% A The operation of a spindle with a wrong characteristic may harm the spindle severely! Please ensure to have the proper characteristic selected always!

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SFU 0303/2-10

Safety- Precautions and Warnings This device produces dangerous electrical voltages and is used for the operation of fast spinning tools. Because of their high rotational speed, it may be dangerous in case of improper handling. For this reason, only professionally trained and qualified personnel should be allowed to work with and setup this device! Before the first commissioning can be carried out, it should be ensured that the spindle and the tool are fixed properly, to eliminate all dangers because of uncontrolled movement of the spindle. Safety regulations being valid for the country where...

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SFU 0303/2-11

Connections, Interfaces and Pinouts For embedding into PLC and controls the SFU0303 has several input and outputs. They are realized as pluggable screw terminals and are located at the front or rear panel (depending on case option). All contacts are separated galvanically from high voltage carrying circuits. Operational parameters and outputs: The SFU-0303 captures all current important operational parameters and operating data. Up to 6 digital outputs can be used for signaling and up to 2 analogue values can be output to the analogue outputs (0-10V) . Remote Control and Outputs: 6 digital inputs...

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SFU 0303/2-12

6.1 Digital and Analog Inputs and Outputs (25 pin D-sub female) Version SSE on front panel 19", Desktop, Desktop 63TE on back panel

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SFU 0303/2-13

The Default-settings of the functions for the outputs can be set up freely with the help of the PC-Software SFU-Terminal. An exception is the signal "Power Stage Pulse Lock", which is linked fix with Relay 6. According to the switch state it will be output 0V / GND or +24V via 10kQ referring to GND (X2.9) (-> 8.2 / 8.7) +24V: Output Power Stage released 0V: Output Power Stage locked. S Relay Output: 1) default = "not energized" corresponds to "not active" o inactive condition at opener (NC contact) -> Contact closed o inactive condition at closer (NO contact) -> Contact opened 2)...

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SFU 0303/2-14

The Default-settings of the functions for the inputs can be set up freely with the help of the PC-Software SFU-Terminal. The inputs of the encoder and the PTC are fixed wired. ✓ The spindle interface is separated with optocouplers from all other signals. It can be used for an automatic spindle detection, if activated. The logic levels are low-active by default: ✓ "HI" > PIN connected with Spindle-GND, "LO"- > PIN unwired In the menu "Digital Inputs" this can be changed. ✓ GND signal X4 is electrically isolated from GND X2 ✓ The input "PTC" is provided for detection of excess temperature of the...

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SFU 0303/2-15

+VFP SGND FP PTC W V U Rext +ZU PE View at screw terminals at version SSE: The device has no internal fusing. It has to be fused externally A Please ensure, that PE protective earth is connected at the mains side. The device must not be operated without properly connected PE! A Please ensure, that PE protective earth is connected at the spindle side as well as at the mains side. Control wires, Mains cables and spindle cables should be installed separately. For wiring, the use of shielded cables is recommended. BMR GmbH I 13

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SFU 0303/2-16

Spindle Connector - 9pin clamp terminal Pin A Please ensure, that PE protective earth is connected at the mains side. The device must not be operated without properly connected PE! A Please ensure, that PE protective earth is connected at the spindle side as well as at the mains side. A Control wires. Mains cables and spindle cables should be installed separately. For wiring, the use of shielded cables is recommended. SFU 0303Mains connection - 3pin clamp terminal: Name

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.