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Protrol IPS2 24 VDC Manual

Fault detector
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Ver 1710 Rev 1
IPS2 24 VDC
Fault Detector
IPS2 24 VDC is a fault detector for overcurrent and directional earth
faults that indicates faults using its relay outputs and IEC 60870-5-
101.
Since the algorithm for earth fault detection does not require a
voltage transformer, IPS2 gives a very cost-efficient fault detection
with high sensitivity for pass through faults in impedance earthed
networks.

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  • Page 1 Ver 1710 Rev 1 IPS2 24 VDC Fault Detector IPS2 24 VDC is a fault detector for overcurrent and directional earth faults that indicates faults using its relay outputs and IEC 60870-5- 101. Since the algorithm for earth fault detection does not require a...

  • Page 2: Table Of Contents

    Remote Terminal Unit Function ____________________________________________________ 7 System and service interfaces ______________________________________________________ 8 Hardware __________________________________________________________________ 9 IPS2 24 VDC Main Printed Circuit Board Rev. C ________________________________________ 9 IPS2 24 VDC Top Printed Circuit Board ______________________________________________ 11 Protrol Tool for IPS2 ____________________________________________________________ 13...

  • Page 3: Schematic Overview

    5.0 s 3.0x 2.0 s 10 A 30 s Internal port Binary RS485 24-48 VDC inputs Fault indication RX/TX Figure 1. IPS2 24 VDC overview. Protrol AB Tel: 031- 45 82 00 Ullevigatan 19 internet: www.protrol.se 411 40 Göteborg e-mail: info@protrol.se...

  • Page 4: Safety Information

    SCADA system should be verified. When the IPS2 unit is in operation and there is a normal load current it is usually possible to activate the earth fault detector by short-circuiting one phase on the terminal screws with a short cable. Protrol AB Tel: 031- 45 82 00 Ullevigatan 19 internet: www.protrol.se...

  • Page 5: Functional Description

    “alive” if the current is higher than 4 x the I pickup level. An alarm is indicated by flashing the I> LED, also see the Section 5.2 IPS2 24 VDC Top Printed Circuit Board. If the earth fault stage is deactivated, the High I steady-state limit is set to 160 A.
  • Page 6 Fault acknowledgement The LEDs including the external LED can be reset either by pressing the Ack-button or automatically when the time of the Protrol Tool parameter LED flashing time has elapsed. Protrol AB Tel: 031- 45 82 00 Ullevigatan 19 internet: www.protrol.se...

  • Page 7: Remote Terminal Unit Function

    High residual current Analogue objects Five analogue objects, three phase currents, residual current and fault detected phase, can be transmitted for supervision/ information purposes. See the Table 1 Explanation of the Protrol IPS2 24 VDC Configuration settings for more information. Protocol The available protocol is: ▪...

  • Page 8: System And Service Interfaces

    The device is always initiated, after a power down or reset, with the system interface protocol activated. Service interface The physical port for the service interface is the internal RS232 port, see chapter “IPS2 24 VDC Main Printed Circuit Board Rev. ” for details.

  • Page 9: Hardware

    This is easily accomplished by removing the four screws in the corners of the cover. Note that the screws need only to be turned 90 degrees. 5.1 IPS2 24 VDC Main Printed Circuit Board Rev. C Pluggable Terminal Blocks External cables are attached to the lower side of the IPS2 using pluggable contacts.
  • Page 10 The service port connector is found on the upper side of the circuit board. The service port is used together with any computer with Protrol Tool. Protrol Tool is a service tool for analysis of transient fault recordings and is described more in details in the following chapter. Analysis requires the 9-pole DSUB adapter cable with article number 606535.

  • Page 11: Ips2 24 Vdc Top Printed Circuit Board

    Ver 1710 Rev 1 5.2 IPS2 24 VDC Top Printed Circuit Board The top printed circuit board for IPS2 serves as local Human Machine Interface (HMI) and offers basic settings and status information. The IPS2 HMI has rotary switches for settings, Light Emitting Diodes (LEDs) for status information and an acknowledge button.
  • Page 12 Example: 150/1 ratio and pickup level of 2 corresponds to a primary current setting of 150/300 × 2 A = 1 A Protrol AB Tel: 031- 45 82 00 Ullevigatan 19 internet: www.protrol.se 411 40 Göteborg...

  • Page 13: Protrol Tool For Ips2

    5.5 Communication Cable To be able to use Protrol Tool with the IPS2 24 VDC unit, a special 9-pole DSUB adapter cable with article number 606535 is required. If the workstation lacks a physical COM port, which most new laptops do, a special USB –...

  • Page 14: Protrol Main Window

    Figure 5. Protrol Tool main window. Protrol Tool uses the serial port of the engineering workstation. However, this has in most computers been replaced by the more common USB interface. Before using Protrol Tool for the first time, the corresponding serial port - USB driver must be installed in your computer.
  • Page 15 Acknowledge by pressing OK and then try to connect by pressing Connect. If the dialog LED Running is flashing, connection has been established. Communication settings can be stored in the Registry by pressing the Store ComPort Settings button. Next time Protrol-Tool is started the selected port is opened automatically. Protrol AB Tel: 031- 45 82 00 Ullevigatan 19 internet: www.protrol.se...

  • Page 16: Ips2 Transient Fault Recorder

    Ver 1710 Rev 1 5.7 IPS2 Transient Fault Recorder The IPS2 detector has a built-in transient fault recorder which can be accessed from Protrol-Tool for further analysis of the recordings. Figure 7. The Transient Fault Recorder If the IPS detector has registered a fault, the Transient Fault Recordings, TFR, for the last faults can be uploaded by pressing the Upload TFR button.
  • Page 17 When uploading a TFR from the IPS2 a question dialog is displayed asking for saving the file. This can also be done later by pressing the Save File button. Saved files can be retrieved later by pressing the Open File button. Protrol AB Tel: 031- 45 82 00 Ullevigatan 19 internet: www.protrol.se...

  • Page 18: Configuration Of Ips2 24 Vdc

    6.1 Creating or Adjusting a Configuration File Configuration of an IPS2 24 VDC is done with a stand-alone tool for Windows. This tool is used for basic configuration and allows the user to create or edit settings for an IPS2, to save and load this information to/from disk and download a file to a unit.
  • Page 19 Ver 1710 Rev 1 IPS2 24 VDC Configuration Settings Table 1: Explanation of the Protrol IPS2 24 VDC Configuration settings. Parameter Range Unit Default Comment General Settings Reignition time [ms] 0..10000 2000 A reoccurring fault within the reignition time window overrides the EF time rotary switch and sets the operate time to a minimum.
  • Page 20 The current configuration file can be downloaded to a connected IPS2 unit by pressing the Download… button. Please see the chapter “Download a Configuration File to the IPS2 Device” for detailed information and instructions. Protrol AB Tel: 031- 45 82 00 Ullevigatan 19 internet: www.protrol.se...

  • Page 21: Download A Configuration File To The Ips2 Device

    8-Bit USB Debug Adapter. The adapter shall be connected to the C2 contact on the IPS2. For that you need a special cable that can be ordered from Protrol, article number 606537. See figure below. Figure 16. USB Debug Adapter connected to IPS2.
  • Page 22 Connect the adapter to the maintenance PC using an USB cable. The needed extra files for the adapter are included in the Protrol IPS2 24 VDC Configuration Tool installation package, version 2.0.0 and higher. Make sure that you have the files “SiUtil.dll” and “USBHIB.dll”...

  • Page 23: Testing And Commissioning Of Ips2

    Connect the current source to phases A and B (or any other combination of two phases) according to Figure 11. Apply a current of 0.5 A. The measured sum of the phases shall now be zero. Verify with the built-in transient fault recorder of Protrol Tool. See section below for details. Current Source Figure 11.

  • Page 24: Ef Trig Level Check

    Operation Delay. Earth fault detection is indicated by the EF LED and closing of the output relay, if applicable. If connected to a PC, check the transient fault record using Protrol-Tool. A typical recording from an earth fault test is shown in Figure 12.
  • Page 25 Ver 1710 Rev 1 Protrol AB, Ullevigatan 19, 411 40 Göteborg Tel: 031-45 82 00. E-post: info@protrol.se www.protrol.se Protrol AB Tel: 031- 45 82 00 Ullevigatan 19 internet: www.protrol.se 411 40 Göteborg e-mail: info@protrol.se...

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