SFU 0303
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…when it comes to quality!

Issue Dezember 2018 1 Introduction Version SSE Version 19“ and Desktop 5 Safety Precautions and Warnings 6 Connections, Interfaces and Pinout Version SSE: Digital and Analogue Inputs X2 Version SSE: Digital and Analogue Outputs X3 Version SSE: Spindle Interface X4 Version SSE: Mains Connector, Spindle Connector 10 11 12 14 Version 19“ and Desktop Version: Digital and Analog In‐ and Outputs 15 Version 19“ and Desktop Version Spindle Interface 16 Version 19“: Mains Connector, Spindle Connector 17 Version Desktop: Mains Connector, Spindle Connector 18 Version SSE: RS232, RS485 X1 20...

1. Introduction Due to its construction, the rotational speed of a 3‐phase Asynchronous‐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 Synchronous‐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...

Operating panel is detachable and can be used as remote control together with an extension cable. Cloning capability of the whole project setup with the help of the Operating Panel Designed for roughest use in industrial environment Specific construction of the SSE‐housing realized without ventilations slots and an outside mounted heatsink prevents intrusion of dirt and chips of tooling into the control unit. 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...

Operation of Asynchronous‐AC und Synchronous‐BLDC Motors The high frequency converter SFU‐0303 makes possible output frequencies 500.000 rpm with 2pole AC‐Motors and with BLDC‐Motors up to 100.000 rpm High output power ( 3,6kV @ 230V / 2kVA @ 115V ) in compact style The core of SFU‐0303 is a Digital Signal Processor (DSP) which produces all output signals and collects all input signals 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. High precision sinusoidal output signals with...

Block Diagram

4. Technical Data 4.1 Version SSE Mains connection Continuous output power 2 kVA / S1‐100% 3,6 kVA / S1‐100% 10‐polig: PE, U, V, W, temperatur sensor, FP, SGND Motor connection pluggable screw terminals 4mm² Output voltage Output current / power limited electronically Output‐current Output frequency maximal duration adjustable 0 … 20sec Spindle characteristics Spindle sensor inputs Control inputs Control outputs 2 Analog: 0‐10V 5 x Digital, free to be setup 1 x Digital reserved for power stage pulse inhibitor outputs on Relays, 24VDC/1000mA, 125VAC/500mA 12 pin pluggable screw clamps X3 ‐...

4.2 Version 19" und Desktop Mains connection 115V, 60Hz 230V, 50Hz Output power 2 kVA / S1‐100% 3,6 kVA / S1‐100% Motor connection 9‐pin: Screw Terminals 4mm² U, V, W, temperature sensor, FP, SGND 2xPE or Circular Connectors 7 or 13‐pin: U, V, W, temperature sensor, FP, SGND, Shield, PE Output voltage 110V 220V Output current / power limited electronically Output‐current maximal duration adjustable 0 … 20sec Output frequency AC: max 8,8kHz / 500.000 rpm DC: max 100.000 rpm Spindle characteristics max. 16, stored internally Spindle sensor inputs speed sensor, PTC, KTY, PT1000 Control inputs...

5. 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...

6. 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...

6.1 Digital and Analog Inputs Version SSE: X2 (10 pin pluggable screw terminal) Pin Description Description Function / default Setting 1 Digital In 1 Input Start / Stop 2 Digital In 2 3 Digital In 3 4 Digital In 4 Power Stage Pulse Lock Input Input Locked / Emergency Stop Error reset "0" released / "1" Emergency Stop Set value Rotational speed rot. speed converter Scaling 10V min/max 1V/10.000 Switching state "0" Stop / "1" Start Reference Ground for die Digital and Analog signals "0" Errors have to be reset, with Hi level on this Input or with any Start signal "1" Errors are rest...

6.2 Digital and Analog Outputs Version SSE: X3 (12 pin Pluggable screw terminal ) Function / Message / default Setting Relay Common Relay 6 normally closed Feedback signal for Power Stage Pulse Lock state Relay 5 normally closed Excess temperature Converter of Spindle Relay 4 normally closed Relay 3 normally closed Standstill Converter and Spindle Relay 2 normally closed Spindle Ready Relay 2 normally open Relay 1 normally closed Relay 1 normally open Common Rail Relay 1…5 Converter Ready 11 Analog Out 2 Output 12 Hall Sensor‐Output Output modified signal square shape signal from encoder...