Pfeiffer Vacuum HEPTA 950 L Supplementary Information
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Pfeiffer Vacuum HEPTA 950 L Supplementary Information

Pfeiffer Vacuum HEPTA 950 L Supplementary Information

Screw pump with integrated frequency converter
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SUPPLEMENTARY INFORMATION
EN
Translation of the Original
HEPTA 950 L
Screw pump with integrated frequency converter

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Summary of Contents for Pfeiffer Vacuum HEPTA 950 L

  • Page 1 SUPPLEMENTARY INFORMATION Translation of the Original HEPTA 950 L Screw pump with integrated frequency converter...
  • Page 2 Dear Customer, Thank you for choosing a Pfeiffer Vacuum product. Your new screw pump is designed to support you with its performance, perfect operation and without impacting your individual application. The name Pfeiffer Vacuum stands for high-quality vacuum technology, a comprehensive and complete range of top-quality products and first-class service.

  • Page 3: Table Of Contents

    Table of contents Table of contents About this manual Validity 1.1.1 Applicable documents 1.1.2 Variants Conventions 1.2.1 Instructions in the text 1.2.2 Stickers on the product 1.2.3 Abbreviations Trademark proof Safety General safety information Safety instructions Product description Functional description of frequency converter Functional description of remote control Installation Connect to mains power supply...
  • Page 4 Table of contents Accessories Technical data 4/44...

  • Page 5: About This Manual

    Keep the manual for future consultation. 1.1 Validity This document applies to the following devices: ● Hepta 950 L with frequency converter drive This supplementary information describes important deviations from the standard product and is valid only in conjunction with the valid operating instructions.

  • Page 6: Abbreviations

    About this manual Rating plate (example) KOSTAL Industrie Elektrik GmbH Input: 3 AC 400V -15%, 480 V +10% Output: 3 AC PE 0 Lange Eck 11, D-58099 Hagen Rating plate of frequency converter Art.-Nr.: 10102296 (00) +49 (0)2331-8040-4848 HW: 00 SW: 03 70 www.kostal.com/industrie WE: 14 11 12 00 IP55...

  • Page 7: Safety

    Safety 2 Safety 2.1 General safety information The following 4 risk levels and 1 information level are taken into account in this document. DANGER Immediately pending danger Indicates an immediately pending danger that will result in death or serious injury if not observed. ►...
  • Page 8 Safety DANGER Danger to life from electric shock in case of contact with the frequency converter High voltages are present at the terminals and inside the frequency converter after disconnecting the power supply. There is a risk of electric shock if touched. ►...

  • Page 9: Product Description

    3.1 Functional description of frequency converter The frequency converter (INVEOR M drive controller) controls the speed of three-phase motors on Pfeiffer Vacuum screw pumps. The frequency converter is fastened to the motor by means of an adapt- er plate, and wired to the terminal box.
  • Page 10 Product description Function Acknowledge keys Confirm command shown on display Start/Stop key Start or stop motor Tbl. 4: Control and entry Command, order Version Continue Call parameter and submenu Back Up 1 menu level Break off, interruption Terminate entry without storing Change Call change mode (cursor is flashing) Store (to)

  • Page 11: Installation

    ► Attach the interference suppressor directly to the contactor coils. – Pfeiffer Vacuum recommends RC-circuitry for alternating current contactors. ► Use freewheeling diodes or varistors for direct current contactors.

  • Page 12: Connect The Power Supply To The Frequency Converter

    Installation 4.2 Connect the power supply to the frequency converter L1 L2 L3 Fig. 3: Connect the power supply to the frequency converter 1 Screw (4x) Terminal 2 Cover Cable gland 3 Bottom part Grounding cable Procedure 1. Remove all screws from cover. 2.

  • Page 13: Establishing An Electrical Connection

    Installation Function Earthed conductor Motor phase 1 Motor phase 2 Motor phase 3 Tbl. 9: Pin assignment motor connection, terminal X4 4.3 Establishing an electrical connection 4.3.1 Connection diagram Fig. 4: Overview of frequency converter control connections 4.3.2 Digital inputs and outputs The parameters are pre-set. Fig.
  • Page 14 Installation Connection cross section 0.5 to 1.0 mm², fine wire (wire end ferrules with and without plastic col- lars) Stripping length 9 to 10 mm Tbl. 10: Control terminals X5 – X7 Input Assignment Digital input 1 – 4 ● Switching level Low < 2 V / High > 18 V ●...
  • Page 15 Installation Assignment A. Out 0 ... 20 mA Frequency actual value 10 V Out External voltage conductor A. Out 0 ... 10 V Frequency actual value A GND (GROUND 10 V) Mass A. In 1 PID actual value A. In 2 Free (unassigned) Tbl.

  • Page 16: Connect Remote Control

    Installation Fig. 8: Overview of digital outputs Assignment Dig. Out 1 Error message Dig. Out 2 Free (unassigned) Relay 1 Error message Relay 2 Free (unassigned) Mid-position contact Normally-open contact Normally-closed contact Tbl. 14: Pin assignment of digital outputs 4.4 Connect remote control Fig.

  • Page 17: Install Software

    Installation Setting up the remote control (MMI) 1. Set the setpoint source to "3: MMI/PC" and save setting: – 02.Parameter groups > Basic parameters > Setpoint source. 2. Set the WAF release to "9: Autostart" and save the setting: – 02.Parameter groups > Basic parameters > WAF enable. 3.

  • Page 18: Operation

    Operation 5 Operation 5.1 Commission frequency converter CAUTION Risk of unintentional start-up Depending on the configured parameter settings, the motor may start up in an uncontrolled manner when the power supply is switched on. There is a risk of injury to fingers and hands (e.g. hematoma), in case of direct contact with the vacuum flange.

  • Page 19: User-Defined Parametrization

    User-defined parametrization 6 User-defined parametrization 6.1 Deactivate frequency converter Fig. 11: Deactivate frequency converter Procedure 1. Remove bridge between internal power supply "24 V OUT" and software "En HW". 2. Establish power supply for the frequency converter via 24 VDC power supply or via the mains power supply.

  • Page 20: Resetting Parameters To Factory Settings

    User-defined parametrization Save parameter list 1. Initiate installed software. 2. Click on "Connect" to connect software with frequency converter. 3. Select communication port of cable. – Communication port "COM 7". 4. Click “OK” to confirm. 5. Click on "File" -> "Save As" and save ".inveor" file with current parameter settings on your hard drive.
  • Page 21 User-defined parametrization Fig. 14: Compare motor parameters 1 Motor parameters in software Check motor parameters after loading 1. Check whether motor parameters of software correlate with data on motor rating plate. 2. If necessary, optimize speed controller with parameters 34.090 to 34.091. 3.

  • Page 22: Set Parameters

    Set parameters 7 Set parameters DANGER Danger to life from electric shock Risk of electric shock when working on the frequency converter and motor. There is a risk to life! ► Make sure that electrical installations are only carried out by trained electricians who are familiar with the relevant safety instructions for electrical safety and EMC.

  • Page 23: Fixed Frequency Of Digital Inputs

    Set parameters Behavior of start function ● Immediate start with high-signal at this input ● Start only with rising edge at this input ● Start only with rising edge and high-signal at this input 1.131 - Software enable Select source for controller enable 0 = digital input 1 1 = digital input 2 2 = digital input 3...

  • Page 24: Rotational Speed Control: 3 Fixed Frequency With Min. Frequency

    Set parameters Frequency Digital input 1 min. frequency Frequency 1 Tbl. 20: Fixed frequencies of digital inputs 1.100 - operating mode Following successful enabling of the software (1.131) and the hardware, the frequency converter functions as follows: 2= fixed frequencies, with the frequency and min. frequency defined in parameter 2.051 Tbl.

  • Page 25: Rotational Speed Control: 7 Fixed Frequency With Min. Frequency

    Set parameters 2.050 - Fixed frequency mode 1 = Digital input 1, 2 -> Fixed frequency 1 – 3 (2.051 – 2.053) Tbl. 26: Parameter 2.050 2.051 - 2.053 Fixed frequency 1 – Fixed frequency 3 XX = Set frequency: frequency should not be lower than minimum speed and should not be higher than maximum speed.

  • Page 26: Set Rotational Speed Control Via Analog Inputs

    Set parameters Minimum speed ● Do not change this parameter. 7.4 Set rotational speed control via analog inputs Set speed via analog input This operating mode controls the speed via an analog signal. ► Set this analog signal using the internal potentiometer or via one of the two analog inputs of the frequency converter.
  • Page 27 Set parameters 4.020 - Ai1 - input type Function of analog input 1. 1 = voltage input Tbl. 37: Parameter 4.020 4.021 - Ai1 - standard Low (%) Defines the min. value of analog inputs as a percentage of the upper range value. 0 = 0 V or 0 mA = 0% : standard value adapted to respective process.

  • Page 28: Current Input For Analog Input

    Set parameters 4.033 - Ai1 - physical unit Selection of different physical parameters to be displayed. 0 = % 1 = bar 2 = mbar 3 = psi 4 = Pa 5 = m 6 = l/min 7 = °C 8 = °F 9 = m 10 = mm...
  • Page 29 Set parameters 4.021 - Ai1 - standard Low (%) Defines the min. value of analog inputs as a percentage of the upper range value. 0 = 0 V or 0 mA = 0% : standard value adapted to respective process. Example ●...

  • Page 30: Voltage Inputs For Analog Input

    Set parameters 4.034 - Ai1 - physical minimum Selection of lower limit for a physical parameter to be displayed. 0 = enter value adapted to respective process Tbl. 55: Parameter 4.034 4.035 - Ai1 - physical maximum Selection of upper limit for a physical parameter to be displayed. 100 = enter value adapted to respective process Tbl.

  • Page 31: Current Input For Analog Input

    Set parameters 4.053 - Ai2 - backlash (%) Backlash as a percentage of upper range value for analog inputs. 0 = enter value adapted to respective process Tbl. 62: Parameter 4.053 4.054 - Ai2 - filter time Filter time of analog inputs in seconds. 0.02 = enter value adapted to respective process Tbl.
  • Page 32 Set parameters 1.130 - setpoint source Determines the source from which the setpoint is to be read. 2 = analog input 2 Tbl. 69: Parameter 1.130 4.050 - Ai2 - input type Function of analog input 2. 2 = current input Tbl.

  • Page 33: Pid Process Control

    Set parameters 4.063 - Ai2 - physical unit Selection of different physical parameters to be displayed. 0 = % 1 = bar 2 = mbar 3 = psi 4 = Pa 5 = m 6 = l/min 7 = °C 8 = °F 9 = m 10 = mm...

  • Page 34: Setting Pid Process Controller

    Set parameters Set PID reverse 1. Set a reversal of the PID actual value via parameter 3.061. – The actual value is read in reversed, thus 0 V…10 V correspond with 100%…0% internally. 2. Define the setpoint to also be reversed. 7.5.1 Setting PID process controller 1.100 - operating mode Following successful enabling of the software (1.131) and the hardware, the frequency converter...
  • Page 35 Set parameters 4.020 – 4.065 - analog inputs 1 and 2 Setting function of analog inputs 1 and 2. 4.020 / 4.050 AI1 / AI2 input type 4.021 / 4.051 AI1 / AI2 standard Low (%) 4.022 / 4.052 AI1 / AI2 standard High (%) 4.023 / 4.053 AI1 / AI2 backlash (%) 4.024 / 4.054 AI1 / AI2 filter time 4.030 / 4.060 AI1 / AI2 function...

  • Page 36: Standby Function Pid Process Control

    Set parameters 7.5.2 Standby function PID process control This function can save energy in certain applications. For example, in pressure booster systems for which the PID process control is regulated to a specific process parameter, and the screw pump must run at a “minimum frequency” (1.020). The frequency converter lowers speed of the screw pump as the process parameter drops during nor- mal operation, however, should never be permitted to fall below the “minimum frequency”...
  • Page 37 Set parameters Fig. 17: Activate frequency converter Procedure 1. Disconnect power supply for frequency converter via 24 VDC power supply or via mains power supply. 2. Connect internal power supply "24 V OUT" and software "En HW". 37/44...

  • Page 38: Malfunctions

    ► After connection work, carry out an earthed conductor check. NOTICE Danger of property damage from improper maintenance Work performed incorrectly on the frequency converter will lead to damage for which Pfeiffer Vacuum accepts no liability. ► Always rectify the malfunction first, before acknowledging.

  • Page 39: Troubleshooting

    Malfunctions LED off LED on LED flashing LED flashing rapidly Tbl. 93: Legend 8.2 Troubleshooting The frequency converter shuts down in the event of an error. The corresponding error numbers can be obtained from the flashing code chart or from the PC software. Error name Description Possible cause/remedy...
  • Page 40 Malfunctions Error name Description Possible cause/remedy ● Overvoltage inter- ● Protection of IGBT module tripped ● Feedback signal from motor in generator mediate circuit against overcurrent mode ● Mains voltage too high ● Faulty setting for speed controller ● Braking resistance not connected or de- fective ●...
  • Page 41 Accessories 9 Accessories Description Order no. MMI remote control P 0104 597 PC communication cable P 0104 598 Tbl. 95: Accessories The software can be downloaded for free at www.kostal-industrie-elektrik.com. 41/44...
  • Page 42 Technical data 10 Technical data Parameter Frequency converter INVEOR M Mains voltage 3 AC 400 V -15% – 480 V AC +10% Mains frequency 50/60 Hz ± 6% Ambient temperature - 25 – 50 °C Shipping and storage temperature - 25 – 85 °C Weight 21 kg Tbl.
  • Page 43 Technical data 43/44...

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