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IPC402x-UM-2209-1-2.x.x (en) 

Ensto Protrol AB

 

 

Phone: +46 31 45 82 00

 

Alfagatan 3 

 

internet: www.protrol.se  

431 49 Mölndal, SWEDEN 

6

 

e-mail: [email protected]

 

4  Overview 

IPC402x consists of two or three printed circuit boards; base board, front board and, if applicable, an 
expansion board. Overview pictures of IPC4020/IPC4020exp3 and IPC4022 are shown in Figure 1 and  
Figure 2. More detailed descriptions of the devices can be found in the datasheets for the devices [1][2]. 

 

I

A1

2

X21

1

I

B1

X22

2

1

I

C2

X33

I

B2

X32

I

A2

X31

1

1

1

2

2

2

Expansion

Expansion module, 2 x  3 currents

I

C1

X23

1

2

Link

Act.

Ethernet

RJ45

I

A

2

X1

1

I

B

X2

2

1

I

C

X3

1

2

PWR

PWR

+

-

GND

3

2

1

X4

Binary inputs

Binary outputs

8

6

7

5

4

2

3

1

C

6

5

4

3

2

1

X6

9

8

7

X10

2

1

C

3

2

1

X9

3

C

3

2

1

X5

2

1

Option W

9

X12

RS232

X11

RS485

1

2

4

5

3

TERM

ACN

OC

EF

1

2

3

4

EX

USB

Type B

Rx/Tx

Rx

Tx

RUN

EVNT

IRF

AUX

IPC4022

t

°

 

Figure 1. 

Overview IPC4020 with expansion for two extra detector functions (to the left). The outputs of contacts 
X8 and X10 are routed to more powerful relays. 

 

Link

Act.

Ethernet

RJ45

I

A

2

X1

1

I

B

X2

2

1

I

C

X3

1

2

PWR

PWR

+

-

GND

3

2

1

X4

Binary inputs

Binary outputs

8

6

7

5

4

2

3

1

C

6

5

4

3

2

1

X6

9

8

7

X10

2

1

C

3

2

1

X9

3

C

3

2

1

X5

2

1

Option W

9

X12

RS232

X11

RS485

1

2

4

5

3

TERM

ACN

OC

EF

1

2

3

4

EX

USB

Type B

Rx/Tx

Rx

Tx

RUN

EVNT

IRF

AUX

IPC4022

t

°

 

Figure 2. 

Overview IPC4022. The outputs on contact X10 are routed to more powerful relays. 

 

The only normal reason to remove the front cover of the devices is to check the identification stickers that 
are located on the printed circuit boards, if requested. Each circuit board has a unique identity with the 
following format, see example beneath. 

Manufacturing year and week:  1906 

Batch identity: 

 

 

46539 

Sequence number:  

 

P0098 

 

 

Содержание IPC4020

Страница 1: ... with integrated remote terminal unit functionality This user s manual describes the interfaces and management of the devices This includes Overview Connection using the service port Configuration reset and upgrade System interface Detector functions Event list Site manager and transient fault recorder Commissioning and testing ...

Страница 2: ..._______________________________________ 11 5 2 Connecting using USB ___________________________________________________________ 12 5 3 Login_________________________________________________________________________ 13 5 4 Start Tab and Device Information__________________________________________________ 13 6 Configuration and Settings____________________________________________________ 14 6 1 Devic...

Страница 3: ..._______ 45 8 5 Detector Settings Detector n ____________________________________________________ 46 8 5 1 Overcurrent_________________________________________________________________________ 46 8 5 2 Earth Fault General __________________________________________________________________ 47 8 5 3 Earth Fault Protrol____________________________________________________________________ 47 8 5 4 Non Dir...

Страница 4: ...ized high voltages can be generated In worst case these voltages can be deadly and damage isolation material Energization of the CT s primary side is not permitted as long as the secondary side is open or not earthed Dangerous voltages can be present on the terminals also when power is removed from the device Violation against the security guidelines can lead to fatalities personal injury or consi...

Страница 5: ...1 and 12 IPC402x IPC4020 IPC4020exp3 IPC4020exp6 or IPC4022 ASDU Application Service Data Unit COMTRADE Common Transient Data Exchange DHCP Dynamic Host Configuration Protocol EF Earth Fault ESD Electro Static Discharge OC Overcurrent RTU Remote Terminal Unit NTP Network Time Protocol TFR Transient Fault Record er 3 Firmware Some of the functions described in this document were introduced in firmw...

Страница 6: ...S232 X11 RS485 1 2 4 5 3 TERM ACN OC EF 1 2 3 4 EX USB Type B Rx Tx Rx Tx RUN EVNT IRF AUX IPC4022 t Figure 1 Overview IPC4020 with expansion for two extra detector functions to the left The outputs of contacts X8 and X10 are routed to more powerful relays Link Act Ethernet RJ45 IA 2 X1 1 IB X2 2 1 IC X3 1 2 PWR PWR GND 3 2 1 X4 Binary inputs Binary outputs 8 6 7 5 4 2 3 1 C 6 5 4 3 2 1 X6 9 8 7 X...

Страница 7: ...able to see the identity number when needed during support cases or reclaims Figure 3 Example board identity 4 1 Front Panel HMI LED Indicators There are various LED indicators on the front panel for inputs outputs communication ports and status purposes Figure 4 Front panel of IPC4020 Each binary input and output have a LED above its screw terminal and reflects the position of the input output Vo...

Страница 8: ...ow diode indicating that a telegram is being received on the serial slave interface Tx Rx USB Dual coloured green red diode which alternates when there is traffic on the USB port EX1 Yellow diode indicating that Detector 1 has identified a fault EX2 Yellow diode indicating that Detector 2 has identified a fault applies to expanded device EX3 Yellow diode indicating that Detector 3 has identified a...

Страница 9: ...ion There is built in protection for surge voltages However cables for communication that may be subjected to overvoltage must have a primary protection for example Protrol OVP As a rule of thumb one can say that cables that leave the building station must be supplemented with a primary protection Terminals Terminal pin Short name Description X11 1 TX Sender plus X11 2 TX Sender minus X11 3 RX TX ...

Страница 10: ...n Terminering The first master and last device last slave on the communication line should be terminated This is done on IPC402x by short circuiting X13 2 and X13 3 4 4 3 Ethernet Interface for IEC 60870 5 104 and Service Port There is an Ethernet interface RJ45 10 100Base TX Full Duplex for communication via IEC 60870 5 104 and the remote control centre This interface is also used as a service po...

Страница 11: ... 1 Connecting using Ethernet The prerequisite for connecting via Ethernet is that the service computer has IP settings that match i e the same subnet and subnet mask with those of the IPC device that you want to connect to An IPC402x is supplied either with factory settings or with order specific settings The factory settings are as follows Parameter Value IP address 192 168 0 31 Net mask 255 255 ...

Страница 12: ...connect using this software 1 Start Protrol USB Bridge a If an IPC402x is found by the program the current COM port is displayed See the left image in Figure 5 2 Click on Open serial port a If the connected the other buttons will light up See the right image in Figure 5 3 Open the default browser by clicking Open web browser a To start the web browser manually please enter 127 0 0 1 20080 in the a...

Страница 13: ...l settings Download of disturbance files Firmware upgrade admin availability Same as config and in addition user administration and password Display change of special settings Please observe that special characters cannot be used for passwords 5 4 Start Tab and Device Information After logging in the Start tab is displayed This includes status and information about the connected device as well as ...

Страница 14: ...unit press the Write to unit button The settings are then transferred to the device and it then restarts automatically If PDCIO is connected its parameters will be transferred at startup of the IP device and PDCIO will subsequently be restarted Note It is important that the PDCIO device is connected and functions normally when pressing the Write to unit button otherwise new settings will not be tr...

Страница 15: ...ress etc are not reset This also applies to IP addresses for IEC 60870 5 104 Complete reset to factory customer settings A complete reset including all Internet settings can be done in two different ways 1 From web interface Note that there is a great risk of losing the ability to remotely connect to the device after the reset depending on the changed IP address and other internet settings In orde...

Страница 16: ...he acknowledge button ACN on the front card by following these steps Restart the device by power cycling it Press and hold the ACN button when the first LEDs light up IRF etc After a while the EX LEDs are lit Release the ACN button before they have counted down entirely Avoid a reset by pressing the ACN button until the device is in normal operation The unit now resets the settings and then restar...

Страница 17: ...d replacement of passwords are made on the Config Accounts tab Figur 1 Administration of accounts can be done when the user is logged in as admin The administrator can activate deactivate all accounts except for the admin account Please observe that the passwords can only to consist of capital letters lower case letters and the numbers 0 9 Special characters and other national characters are not a...

Страница 18: ...Site Site reference1 Default FreeText Free text for extra information Wathdog output Enable Activation of the Wathdog feature Yes or No No Watchdog relay Choice of relay output 1 8 1 PDCIO 2 Enable Activation of external I O module PDCIO Yes or No No 6 2 Time synchronisation NTP IPC402x has support for time synchronization using NTP Settings can be found on the Config NTP tab Figure 7 Configuratio...

Страница 19: ...nit Enable NTP Activation of NTP Yes or No No UTC offset Adjustment offset of time 60 60 0 min IP address primary NTP Primary NTP server 0 0 0 0 IP address secondary NTP Secondary NTP server 0 0 0 0 IPC402x time is used for time stamping of indications events and disturbance recordings The time resolution is 1 ms When NTP is activated time synchronisation using IEC 60870 101 104 is disabled ...

Страница 20: ... remote control center This option is not available for IPC4022 Please observe that IEC 60870 5 101 Master is optional and must be ordered separately refer to the datasheet 1 IEC 60870 5 101 Physical interface for IEC 60870 5 101 is RS485 X11 or RS232 X12 DSUB9 optional Both 2 and 4 wire communication is supported for RS485 communication Terminate RS485 by short circuiting inputs 4 and 5 on the X1...

Страница 21: ... for the last event If the event queues are not full all status changes will generate time stamped event messages and no information is lost There are functions that will limit the creation of events when an input changes status too often See chapter 7 3 1 Binary Inputs Input 1 16 22 37 for more information When a communication link has been initiated by the master interface events are transmitted...

Страница 22: ...c IP address via DHCP Yes or No Yes IP address Fixed IP address for the device 1 192 168 0 31 Netmask Netmask 1 255 255 255 0 Gateway IP address for network gateway 1 192 168 0 1 Trusted IP addresses for IEC 60870 5 104 IP address n Address n of IEC 60870 5 104 master n 1 2 1 192 168 0 10n Enable n Accept connection from this address If no address is specified connection is accepted from all addre...

Страница 23: ...Choice of remote control interface No slave 101 slave 104 slave 104 slave Select timeout Specifies how long to wait for the Execute command after an object has been Selected If no Execute command arrives within the set time the order will be interrupted 1 3 600 30 s Cyclic analog transmission Period for cyclic transmission of analog values 0 86 400 0 s IEC 101 104 master1 Option Master interface C...

Страница 24: ...e format IPC402x uses 1 CP56 Link address LA size Size of link address 0 2 1 octets Common address CA size Size of RTU address 1 2 2 octets Object address OA size Size of Object address 1 3 3 octets Cause of transmission COT size Size of COT 1 2 2 octets Port settings 2 Port type Choice of physical interface 1 2 wire RS 485 2 4 wire RS 422 3 RS 232 without hand shake 4 RS 232 with hand shake 1 4 1...

Страница 25: ...firmed received messages I format Confirmation ackn will be sent no later than this number 1 255 8 Command timetag timeout Maximum difference between local time in the unit and time marking on an order If the telegram does not arrive in time the order is not allowed 1 3600 30 s Time tag type Specifies the type of time format IPC402x uses 1 CP56 Common address CA size Size of the RTU address number...

Страница 26: ... center each upper octet of every object address must be identical to the Common address of the slave Please see the following examples Binary output 3 in the second slave shall be controlled by the SCADA system In this example the second slave has Common address 5 Binary output 3 has typically object address 21003 in the factory settings This must be changed to 5 21003 structured address which eq...

Страница 27: ...ct address 1 3 3 oktett Cause of transmission COT size Size of COT 1 2 2 oktett Slave link addresses Slave x Link address x Link address of local slave s Can have length 1 or two octets 0 means no slave is connected 0 254 0 65 534 0 3 Common address x RTU address for local slave s Can have length 1 or 3 octets 0 means no slave is connected 0 254 0 65 534 0 Port settings 4 Port type 2 wire RS 485 1...

Страница 28: ...le point Settings Blocked The signal is blocked i e no value status is sent to the remote end Also applies to interrogation status request Yes or No Settings Negative The signal is inverted i e a high signal is transmitted with status low to remote end Yes or No Settings Time tagged The signal is timestamped upon change The time is also sent to the remote end Yes or No Delay Number of milliseconds...

Страница 29: ...me tagged Yes Delay 0 ms Settings Input 1 16 22 37 Parameter Description Factory value address lower octets2 Ack button Object linked to the ACN button on the front panel Can only have the type single indication 100 Input n Object connected to physical inputs n n 1 15 100 n Input 16 Object connected to physical input 16 Can only have the type single indication 116 Input 16 n Object connected to ph...

Страница 30: ...n of the various configuration options None of the indications can be of double type The objects 1 10 have the following factory settings Type Single point Settings Blocked No Settings Negative No Settings Time tagged Yes Delay 0 ms The objects 11 13 have the following factory settings Type Logical input 1 Double point Logical input 2 Single point EF Trip reigntion Single point Settings Blocked Ye...

Страница 31: ...art non dir Earth fault non directional START indication m25 EF Trip non dir Earth fault non directional TRIP indication m26 Phase break Indication for phase break m27 OC Trip Ind Indication mirroring the LED OC Trip m28 EF Trip Ind Indication mirroring the LED EF Trip m29 Logical input 12 Logical object 1 from additional software functions 0 Not activated Logical input 2 Logical object 2 currentl...

Страница 32: ... is configured to use PDCIO for extended I O see section 6 1 binary input subtabs are displayed showing the binary inputs of PDCIO and attached PBI modules Configuration of thes PDCIO objects is made in the same way as for other logical and physical inputs The added objects are not described in details in this manual for more information please refer to the user s manual of PDC2 PDCIO 4 The PDC2 P...

Страница 33: ...ch individual item see the following chapters Parameter Description Range Unit Description Brief descriptive name for the object Type Type of object Single or Double1 Single command Double command Settings Blocked The signal is blocked i e no order or command is executed Yes or No Settings Direct Excute The order is executed directly ie no select is needed Yes or No Pulse time ms Number of millise...

Страница 34: ... pulse time for object Ack Settings Output 1 8 13 22 Parameter Description Factory value address lower octets2 Ack Object connected to the ACN button on the front panel Can only have the type single command Pulse time cannot be changed fixed time of 100 ms 21000 Output n Objects connected to physical outputs n 21000 n Output 8 Object connected to physical output 8 Can only have the type single com...

Страница 35: ...ower octets1 Logical output n2 Logical object for controlling customized functions 21m0n 7 4 3 Binary Outputs PDCIO and PBO If the IPC402x device is configured to use PDCIO for extended I O see section 6 1 binary output subtabs are displayed showing the binary outputs of PDCIO and attached PBO modules Configuration of these PDCIO objects are made in the same way as for other logical and physical o...

Страница 36: ... object Type Type of analogue object Different formats and scaling 1 Normalized 0 100 Normalized 0 120 Floating point SI Scaled SI 1 Scaled SI 10 Scaled SI 100 Settings Blocked The signal is blocked i e no value status is sent to the remote end Also applies to interrogation status request Yes or No Settings Timetagged The signal is timestamped upon change The time is also sent to the remote end Ye...

Страница 37: ...address lower octets Unit temperature Temperature measurement inside the device Default Type Float SI Blocked No Time tagged No Cyclic No Deadband 5 0 3001 Type and Deadband Internal Object Type Deadband Description Unit temperature Normalized 0 100 Normalized to 100 degrees Celsius Normalized 0 120 Normalized to 120 degrees Celsius Float SI Floating point corresponding to Celsius degrees Scaled S...

Страница 38: ...ng primary values If Cyclic transmission is activated for an object the object will be updated spontaneously also when its value is outside the deadband If no spontaneous transmission is desired the deadband must be set to a high value For more information on the detector functions and the objects see chapter 8 Settings Detector m Object Description Factory value address lower octets1 L1 Current M...

Страница 39: ...ent in Amperes as integer Scaled SI 10 Primary current in 0 1 Amperes as integer Scaled SI 100 Primary current in 0 01 Amperes as integer Lx Current Deadband Set as a percentage of to reference value on tab I O Settings Example Reference value 300 1 1 3 A LN Current Type Identical to Lx Current Deadband Identical to Lx Current Max Fault Current Float SI Primary current in Amperes as floating point...

Страница 40: ...escription of object settings The PCIO PAI objects have the following factory settings Type Float SI Settings Blocked Yes Settings Time tagged No Settings Cyclic No Deadband 0 ms Address See PDC2 PDCIO manual 4 PDCIO can be configured for battery supervision which adds logical input objects to the tab These objects have factory settings according to the PDC2 PDCIO manual 4 and the settings templat...

Страница 41: ...olated In particular this means that for an impedance grounded network the compensation degree has no significance and for an isolated network the natural unbalance between the phases in principle can be infinite It works just as well 8 2 Detection states The earth fault detection sequence goes through discrete states These states can be seen in the transient fault recording chapter 10 For each st...

Страница 42: ...n on the state of both earth fault and overcurrent The state signal is an 8 bit value where the lower nibble indicates the state of the earth fault detector and the upper one indicates the state of overcurrent one For example the value 34 decimals 22 hexadecimal means that ground fault has state 2 TRIG and overcurrent 2 START 8 2 1 Evaluation of Earth Faults See the example below showing a solid e...

Страница 43: ...timer is started If the fault returns within the set reignition time the detector will indicate TRIP immediately when the START state is reached Thus it does not wait for the normal time delay between START and TRIP to expire Two consecutive starts within a certain time is evaluated as an arcing fault The method ensures that an arcing error does not start and reset repeatedly Figure 9 Earth fault ...

Страница 44: ... chapter 10 There are limitations in the number of transient fault recordings that can be stored in runtime memory If there is a need to ensure that there is always space for a new disturbance recording the parameter Enable immediate ack can be checked Observe that previous recordings can be deleted if the detector restarts due to new events Inställningar TFR functions Parameter Description Range ...

Страница 45: ...2 A 1 Other factory default settings for the number of decimals are according to the following table Signal Description Factory value No of decimals Unit temperature See section 7 5 1 1 Dx LN Current See section 7 5 2 2 Dx Max fault current See section 7 5 2 0 Dx Max current See section 7 5 2 1 Dx Avg current period See section 7 5 2 1 Dx Fault phase See section 7 5 2 0 1 Does not affect the ampli...

Страница 46: ...RT signal is generated if the current in a phase exceeds the set levels Level 1 or Level 2 TRIP overcurrent is generated after the set time delays Delay 1 or Delay 2 If the setting Input qualifier is selected to any input 1 16 no TRIP output signal and message to remote control will be created until there is voltage on the selected input within set time Event delay However the internal event is al...

Страница 47: ...870 5 101 104 0 16 777 214 0 8 5 2 Earth Fault General The IPC402x devices have two types of earth fault detectors Protrol s patented method and a complementary non directional earth fault function that can be employed when switching onto faults The non directional function can also be used to detect fault connection that a phase is missing or that one phase is connected with the wrong polarity Bo...

Страница 48: ...Trig level Trig level for earth fault not possible to set 0 0 100 0 90 of Level A Asym level Asymmetry level 1 0 1000 0 3 0 TPAD level Alternative asymmetry level 1 0 1000 0 1 5 TPAD angle 1 Angle restriction 1 0 0 100 0 30 0 deg TPAD angle 2 Angle restriction 2 90 0 270 0 150 0 deg Early start Alternative for the reignition function 0 2 0 Fast reset Deactivation of fast reset i r 0 2 3 0 1 0 Mini...

Страница 49: ...Trip relay TRIP output relay 0 8 0 non Relay pulse Pulse length of TRIP output signal 100 10 000 500 ms Measurement type Measurement method RMS or Fundamental RMS Fundamental RMS Low level Current level before for switch on detection 0 1 500 0 1 0 A High level Current level after for switch on detection 0 1 500 0 30 0 A 8 6 Phase Break A phase break is identified as a failure of a phase without gr...

Страница 50: ...y inputs Detector m RECL OFF ON and I O addressing Binary outputs Detector m RECL OFF ON respectively These objects are blocked from factory Visual indication of AR OFF ON can be chosen as follows AR for Detector 1 outputs 1 8 however always AUX LED AR for Detector 2 and 3 outputs 1 8 and or AUX LED After reclosure the function is always OFF Reactivation can be done from SCADA but will always be d...

Страница 51: ...fo or Debug Text description of the event Extra information four fields for extra information mainly for internal use In the example in Figure 11 additional diagnose information is displayed For the EF Detected event the first digit tells which detector has started In this case it is Detector 1 The second digit of the EF Detected is the State Here it is 8 which means that it was the reignition fun...

Страница 52: ...otrol se 431 49 Mölndal SWEDEN 52 e mail info protrol se 9 2 Site Manager Site manager is found in the web interface on the Status tab Figure 12 Site manager for IPC4020 Please note that Site manager will adjust to the type of IPC402x device that is used and on what options that are activated ...

Страница 53: ...art fault detection detector 1 3 IRF Red diode that indicates internal fault Inputs 1 8 10 16 Yellow indicator for active input Outputs 1 3 8 Yellow indicator for active output There are additional indicators if PDCIO is connected Indicator Description IRF Red indicator that signals internal fault EVT Yellow diode indicating that there is an unsent telegram in the queue for slave transmission on t...

Страница 54: ... value of minimum phase current Faulty phase s for last registered fault Current time RTC time The Send ACK to unit button works just like the physical button on the device Note that the value Max is not reset Site manager is typically used to check the device status via the Ethernet interface and in conjunction with commissioning to obtain current values A good way to verify that all phase curren...

Страница 55: ...l earth fault Manual trigger by pressing Capture active live data See Figure 13 The rightmost column contains a button Acknowledge The purpose of the function is that non acknowledged disturbances files should not be overwritten and valuable information lost A disturbance file can be acknowledged in several ways 1 Press the button for the respective interference in the TFR data subtab Only this sp...

Страница 56: ...rol TFR Plotter For conversion to COMTRADE there is a special tool available on Protrols web page Also files from IPC401x can be converted Figure 14 The log file with TFR data phase currents and State At the end of the log file there is additional information to obtain traceability during error analysis Here can be found among other things version number detector type station name and scaling info...

Страница 57: ...IPC402x UM 2209 1 2 x x en Ensto Protrol AB Phone 46 31 45 82 00 Alfagatan 3 internet www protrol se 431 49 Mölndal SWEDEN 57 e mail info protrol se Figure 15 TFR log file data at the end of the file ...

Страница 58: ...ce or select a previously uploaded file Specify where to save a converted file By default it is saved in the same directory as the original data It is possible to change file names if desired The tool recognizes the type of data separation eg loss or comma Separation type can also be specified When the file is selected the configuration file and data file are displayed to the right Change any inpu...

Страница 59: ...d to check the current software version Please note that it is not possible to downgrade firmware of the device to versions before 1 2 0 0 from firmware 1 2 0 0 or higher 11 1 PDCIO It is possible to upgrade firmware of a PDCIO device through IPC402x if it is physically connected to a IPC402x device and the IPC device is configured to use PDCIO Chose a Bundle file for firmware upgrade of sub unit ...

Страница 60: ...Enable Manual control of outputs box in Site manager If required disconnect the outputs from external objects Verify that a The correct LED on the unit lights up when activated in Site manager b The correct output is activated Measure the resistance across the output on terminal block It should be 1 Ohm when the relay is active c If possible activate the output via the remote interface 6 If the st...

Страница 61: ...e of the phases swiftly on a terminal or directly on the plug in contact of the device c If no current injection instrument is available and if the station is in operation with measurable currents a simple test of the earth fault detector can be performed by short circuiting a phase briefly on the terminal d If it is not possible to apply voltage current on the inputs and there is no load current ...

Страница 62: ...In this way it is possible to verify that the object addresses of the IPC402x device and the remote end match Please observe that activation of the remote signal test overrides the actual status of the binary inputs On the tab System it is possible to manually deactivate the remote signal test function by pressing the button Deactivate remote signal test The device spontaneously returns to normal ...

Страница 63: ...nfo protrol se 13 References 1 IPC4020 datablad xxyy en pdf 2 IPC4022 datablad xxyy en pdf 3 IPC4010 12_manual_xxyy_en pdf 4 PDC2 PDCIO_manual_xxyy_se pdf 5 IPC4020 LIST 01_IPC402x_IEC 101 104_Settings_Template_Rev _x xlsx Ensto Protrol AB Alfagatan 3 SE 431 49 Mölndal SWEDEN Phone 46 31 45 82 00 E mail info protrol se www protrol se ...

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