MESSKO MTeC EPT202 Operating Instructions Manual Download Page 1

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Summary of Contents for MTeC EPT202

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Page 2: ...ructions BA 2076 02 01 www messko de MTeC EPT20 EPT20 EPT20 EPT20 EPT202 2 2 2 2 Digital Thermometer Digital Thermometer Digital Thermometer Digital Thermometer Digital Thermometer Messko Messko Messko Messko Messko ...

Page 3: ...2 BA 2076 02 01 ...

Page 4: ...ction Electrical connection Electrical connection 10 10 10 10 10 4 1 Supply Voltage 10 4 2 Sensor Inputs 10 4 3 CT Input Secondary Current Transformer 11 4 4 Analog Outputs 11 4 5 Digital Interfaces 11 4 6 Switching Contacts 12 5 5 5 5 5 Function Description Function Description Function Description Function Description Function Description 13 13 13 13 13 5 1 Basic Function 13 5 2 Sensor Inputs 13...

Page 5: ...ware Visualization Software 23 23 23 23 23 8 1 Installation 23 8 2 Design of the Software 24 8 3 The EPT202 Monitor 25 8 4 Menu Bar 25 8 5 Settings Menu 26 8 6 Parameter Menu 27 8 7 The Print Assistant 27 8 8 User Menu 28 8 9 Switching Points Menu 34 8 10 Winding Menu 35 8 11 Easy Set Function 36 8 12 Device data Menu 37 9 9 9 9 9 Appendix Appendix Appendix Appendix Appendix 38 38 38 38 38 9 1 Dim...

Page 6: ... Notes on the Operation of the Device Notes on the Operation of the Device User adherence to national accident prevention regulations is mandatory It is also pointed out that work on active i e parts which are hazardous to touch is only permitted when these parts are potential free or are protected against direct touch National regulations pertaining to electrical installation must be observed To ...

Page 7: ... IEC 60354 or ANSI standard For this the CT current which indicates the load of the transformer must be connected to the device Parameterization of the transformer and cooling stage can be performed via the keys on the front or via visualization software which is available as an option 2 2 2 2 2 Technical Data Technical Data Technical Data Technical Data Technical Data Protective housing Protectiv...

Page 8: ...nnection of additional modules for DIN rail mounting only Relays 4 c o contacts for switching points S1 to S4 contact capacity AC 250 V 12A DC 110V 0 4 A 2 c o contacts for ALARM and TRIP contact capacity AC 250 V 5A DC 110V 0 4 A 1 n c contact for ERROR message contact capacity AC 250 V 5A DC 110V 0 4 A Tests Tests Tests Tests Tests Electricalsafety Protection class 1 in accordance with IEC 60536...

Page 9: ... standard 20 to 220 C Zero point correction 10 of temperature range 0 1 K standard 16 0 to 16 0 K RS 485 address 0 to 79 Load change interval 0 to 9999 h 1 h Switching points S1 to S4 Adjustable between 0 1 C hysteresis and 150 of temperature range Hystereses S1 to S4 Min of 1 of temperature range 0 1 K Delay times S1 to S4 0 to 120 sec 0 1 sec Switching points ALARM TRIP Adjustable between 0 1 C ...

Page 10: ...19 cabinet system Slide the subrack into the cabinet system and secure it using the bore holes on the front see appendix chap 9 2 Fig 1 3 3 3 3 3 3 3 3 3 3 EPT202 for Control Panel Mounting EPT202 for Control Panel Mounting EPT202 for Control Panel Mounting EPT202 for Control Panel Mounting EPT202 for Control Panel Mounting A panel cutout must be provided in the switching cabinet for the installat...

Page 11: ...ctrical Connection Electrical Connection NOTE NOTE NOTE NOTE NOTE The EPT202 was developed in accordance with applicable EMC standards To maintain the EMC characteristics the following points must be adhered to Ensure that the EPT202 is properly grounded via the grounding connection on the device Use the shielded cables for the data and signal connection from the EPT202 to other devices Ground the...

Page 12: ...utput 1 Output Oil T Analog output 1 Output Oil T Analog output 1 Output Oil T Analog output 1 Output Oil Temp emp emp emp emp Line connection Terminal2 Line connection Terminal3 Shield Terminal1 The range of analog output 1 corresponds to the input range of the sensor refer to nameplate standard 20 to 140 C Example 4 to 20 mA output 4 mA corresponds to 20 C 20 mA corresponds to 140 C Analog outpu...

Page 13: ... no device error the contact is open between terminals 42 21 and 43 22 When there is a device error the contact is closed fail safe programming This contact can be used to generate an error message for remote transmission For a description of the self monitoring function of the device see chapter 5 4 4 6 4 6 4 6 4 6 4 6 Switching Contacts Switching Contacts Switching Contacts Switching Contacts Sw...

Page 14: ...uipped with 4 relay contacts to activate fans or pumps These contacts can be turned on and off via the oil or the winding temperature or as an alternative can be turned permanently on by hand The hysteresis and the delay time of the contacts can be parameterized as desired The switching contacts S1 to S4 also switch the cooling phase specific winding parameters 5 6 5 6 5 6 5 6 5 6 Cooling Phase Sp...

Page 15: ... 0 active Switching contact S1 switched COOLING 1 active Switching contact S2 switched COOLING 2 active Switching contact S3 switched COOLING 3 active Switching contact S4 switched COOLING 4 active 5 7 5 7 5 7 5 7 5 7 Load Change Oper Load Change Oper Load Change Oper Load Change Oper Load Change Operation ation ation ation ation The load change function permits the fans or pumps connected to the ...

Page 16: ...ta record contains the following information Set no Date Time Device status with status indication of the switching contacts and all relevant device data Event is usually not used Error code with status indication of the individual errors Oiltemperature 3 winding temperatures winding temperature 1 for basic device winding temperature 2 and 3 only with appropriate extra module Load current load cur...

Page 17: ...c contact S1 to S4 was tripped and the related parameter record is activated 6 2 6 2 6 2 6 2 6 2 Menu Pr Menu Pr Menu Pr Menu Pr Menu Prompting ompting ompting ompting ompting The 5 operator keys can be used to indicate the set parameters and measured values The parameters cannot be changed until the key lock is released The entire menu structure and prompting can be found in the included short op...

Page 18: ... TEMP EMP 74 74 2 2 C C Changing the main menu Changing the main menu Changing the main menu Changing the main menu Changing the main menu The main menus are arranged inrings The LEFT or RIGHT key can be used to select the appropriate menu Selecting a menu item Selecting a menu item Selecting a menu item Selecting a menu item Selecting a menu item The UP and DOWN keys can be used to highlight an i...

Page 19: ...maticallyparameterizedforPt100 Masking out the winding temperature Masking out the winding temperature Masking out the winding temperature Masking out the winding temperature Masking out the winding temperature The winding temperature can be masked out in this menu For more information please refer to page 15 of chapter 5 11 7 2 Winding Specific Parameters 7 2 Winding Specific Parameters 7 2 Windi...

Page 20: ...aches its actual final value according to an e function please refer to page 13 Due to a sudden rise of load current the winding temperature will reach 63 5 of the peak value after a duration of t t t t t and 95 of the peak value after a duration of 3t t t t t Since the time constant can be different for each cooling stage it can be set individually from 0 0 to 30 0 minutes for each cooling stage ...

Page 21: ...FACTURER Device Type_ Serial No Manufact Date Input Range_ Software Version Software Date_ RS485 Adresse RS4 RS485 85 A Add ddres ress_ 7_ 7_ Sav Save e YES YES NO NO 7 5 7 5 7 5 7 5 7 5 OPERATOR Menu OPERATOR Menu OPERATOR Menu OPERATOR Menu OPERATOR Menu Information of the operator can be called under this menu Except for the setting of the RS485 address this information can only be entered with...

Page 22: ...cords which are currently stored The DataLog Interval menu item can be used to set the data logging interval when the key lock has been released The default setting is 10 minutes 7 8 7 8 7 8 7 8 7 8 LIFE CONSUM Menu LIFE CONSUM Menu LIFE CONSUM Menu LIFE CONSUM Menu LIFE CONSUM Menu This menu can be used to parameterize the life consumption calculation and indicate the hotspot temperature and the ...

Page 23: ...u 7 9 PEAK VALUES Menu 7 9 PEAK VALUES Menu 7 9 PEAK VALUES Menu This menu can be used to store the following minimum and maximum values Max oil temperature Min oil temperature Max winding temperature Min winding temperature Max load current Min ambienttemperature Max ambienttemperature When the key lock is released the maximum values can be reset by using the UP and DOWN keys The peak value are r...

Page 24: ... Place the EPT202 monitor CD ROM in its drive and start the EPT202 Setup exe located there Then select the desired installation language The installation assistant will now accompany you through the individual steps You can use the entries suggested by the installation program or change them to meet your requirements After installation the program starts automatically if this function was not deac...

Page 25: ...een of the visualization software is divided into 3 fields The menu items are located at the top The left side contains the display of the currently selected menu item The display may be subdivided into individual tabs in the lower left area On the right side is the EPT202 monitor The current measured values and the status of the device are shown here Menu items Menuanzeige Tabs Monitor ...

Page 26: ...urrent oil temperature winding temperature and actual load current Status of the key lock red on key lock on device locked off key lock on device released The error indication shows the device errors e g defective sensor 8 4 8 4 8 4 8 4 8 4 Menu Bar Menu Bar Menu Bar Menu Bar Menu Bar The individual menu items are briefly discussed below For a detailed explanation see the next few chapters Exit pr...

Page 27: ...ion type Connection type Connection type Connection type Here you can select whether you want to communicate with the EPT202 via the RS232 or the RS485 interface If the EPT202 is to communicate via the RS485 interface you can use the RS485 address field Start search for all connected devices and then select the desired device up to 32 devices in the bus system Interface Interface Interface Interfa...

Page 28: ...ad parameter records and print them out Save device data Save device data Save device data Save device data Save device data This can be used to save the parameters of the connected EPT202 Print Print Print Print Print Protocol printout of the parameters of the connected device 8 Visualization Software 8 7 8 7 8 7 8 7 8 7 The Print Assistant The Print Assistant The Print Assistant The Print Assist...

Page 29: ...ion of the sensor losses Correction of the sensor losses Correction of the sensor losses Correction of the sensor losses This function can be used to correct temperature losses on the thermometer pocket When it is activated ON a correction value is set internally which was determined from studies of temperature measuring devices and sensors on transformers The temperature loss due to the thermomet...

Page 30: ...ure and winding temperature output Oil temperature and winding temperature output Oil temperature and winding temperature output This field can be used to parameterize the two analog outputs separately from each other to the following output signals 0 to 20 mA error signal 22 mA 4 to 20 mA error signal 22 mA 4 to 20 mA error signal 3 6 mA 0 to 1 mA 0 to 10 V For more information on the output sign...

Page 31: ...mation on the data logging function see page 15 in chapter 5 10 After the Read out data records button is pressed a screen see right opens in which you can select the data records which you want to read Load button The data records are saved in an Excel file Date and time Date and time Date and time Date and time Date and time This field can be used to save the current date and time A gold cap cap...

Page 32: ...31 BA 2076 02 01 8 Visualization Software Excel file with r Excel file with r Excel file with r Excel file with r Excel file with read data ead data ead data ead data ead data ...

Page 33: ... interval no change 0 Winding on shows whether the simulation of the winding temperature was activated Error If a field is 1 then the applicable error occurs Oil temperature Winding temperature 1 and load current 1 Life consumption Winding temperature 2 and load current 2 function of the additional module EPT202CT Winding temperature 3 and load current 3 function of the additional module EPT202CT ...

Page 34: ... Life field This value refers to the expected life of the insulation system at rated load For the assumed value see the documentation of the transformer or contact the transformer manufacturer The life consumption is specified as a percentage If for instance the transformer has an expected life span of 30 years and a life consumption value of 50 is indicated the expected life span of the transform...

Page 35: ...n the oil or winding temperature exceeds the set switching point the contact change over contact is switched When switched back the contact drops below the switching point hysteresis Contacts S1 to S4 can also be switched permanently with Manual on 3 Switching point 3 Switching point 3 Switching point 3 Switching point 3 Switching point The switching points can be set as desired When you activate ...

Page 36: ...ed to check the switching contacts S1 to S4 as well as the optional features ALARM and TRIP This test temperature is a superimposed temperature All functions continue to run in the background so that the calculation of life consumption and data logging etc are not affected 10 Alternate interval 10 Alternate interval 10 Alternate interval 10 Alternate interval 10 Alternate interval The Alternate in...

Page 37: ...sy Set 5 Easy Set Press this button to access a submenu with which you can set the preset parameter records in accordance with IEC 60354 This will make parameterization easier when for example the exact parameters of the transformer are no longer known The function is explained in more detail below 6 Hotspot factor H 6 Hotspot factor H 6 Hotspot factor H 6 Hotspot factor H 6 Hotspot factor H The h...

Page 38: ...dient winding exponent and time constant are set automatically If a further cooling stage is used a checkmark must be placed in the field 4 Save exits the Cooling Wizard and the values are saved After parameterization with the Cooling Wizard be sure to check the settings of the switching points and correct them as necessary 8 12 8 12 8 12 8 12 8 12 Device data Menu Device data Menu Device data Men...

Page 39: ...nsion Drawing of the EPT202 for Rail Mounting Dimension Drawing of the EPT202 for Rail Mounting Dimension Drawing of the EPT202 for Rail Mounting Dimension Drawing of the EPT202 for Rail Mounting Dimension Drawing of the EPT202 for Rail Mounting Fig 6 120 4 724 51 2 008 84 3 311 50 1 969 194 7 632 183 7 205 ...

Page 40: ...awing of EPT202 for 19 Rack Dimension Drawing of EPT202 for 19 Rack Dimension Drawing of EPT202 for 19 Rack Dimension Drawing of EPT202 for 19 Rack Dimension Drawing of EPT202 for 19 Rack 269 4 10 606 252 4 9 937 58 2 283 132 5 197 Ø7x10 28x 39 204 4 8 046 176 7 6 959 ...

Page 41: ...2 for Control Panel Mounting Dimension Drawing of EPT202 for Control Panel Mounting Dimension Drawing of EPT202 for Control Panel Mounting Dimension Drawing of EPT202 for Control Panel Mounting 9 Appendix Fig 8 142 5 59 236 9 29 278 3 10 96 58 2 28 Ø7 Ø 28 177 2 6 98 200 7 86 269 4 10 61 252 4 9 94 58 2 28 Ø7x10 28x 39 ...

Page 42: ... Motor Drive ED of the MR On Load T 2 for Installation in Motor Drive ED of the MR On Load T 2 for Installation in Motor Drive ED of the MR On Load T 2 for Installation in Motor Drive ED of the MR On Load T 2 for Installation in Motor Drive ED of the MR On Load Tap Changer ap Changer ap Changer ap Changer ap Changer 9 Appendix Fig 9 205 2 8 08 482 4 18 99 465 4 18 32 132 5 2 58 2 28 Ø7x10 28x 39 ...

Page 43: ...Rail Mounting op Hat Rail Mounting op Hat Rail Mounting op Hat Rail Mounting 9 Appendix 14 35 S1 25 N 23 21 22 24 Supply 100 240VAC 100 353VDC 3 1 2 4 Analog output oil temperature 30 27 26 28 29 6 5 S2 7 8 31 32 33 34 11 S3 10 9 S4 12 13 39 36 38 37 Alarm 15 16 40 41 43 42 Trip 17 18 Error 20 19 GND GND GND GND GND GND Analog output winding temperature I 2 I 1 Analog input Pt100 Analog input 4 to...

Page 44: ...el Installation and 19 Subr anel Installation and 19 Subr anel Installation and 19 Subr anel Installation and 19 Subrack ack ack ack ack 43 P E L 42 N 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 M essage contacts T rip Error A larm S4 S3 S 2 S1 G N D GN D G N D G ND G N D G N D A B 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 3 2 1 4 I 1 I 2 A n alo g o utput oil tem perature A na...

Page 45: ... Circuit Diagram for 4 to 20 mA Sensor Connection Circuit Diagram for 4 to 20 mA Sensor Connection 10 26 23 22 21 24 25 S 3 TRIP ERROR S 4 Messko POWER ALARM S 2 S 1 36 32 31 30 28 27 29 35 33 34 42 41 38 37 39 40 43 EPT 202 2 1 3 6 4 5 13 12 10 9 7 8 11 14 15 11 9 10 7 8 14 13 12 19 18 16 17 20 12 11 10 8 7 9 13 14 9 7 8 12 13 11 14 TT PWM60 MT ST160SK TT ϑ Kombi TT Combi TT ϑ 9 Appendix ...

Page 46: ... for Pt100 Sensor Connection Circuit Diagram for Pt100 Sensor Connection Circuit Diagram for Pt100 Sensor Connection 26 23 22 21 24 25 S 3 TRIP ERROR S 4 Messko POWER ALARM S 2 S 1 36 32 31 30 28 27 29 35 33 34 42 41 38 37 39 40 43 EPT 202 2 1 3 6 4 5 13 12 10 9 7 8 11 14 15 11 9 10 7 8 14 13 12 19 18 16 17 20 12 11 10 8 7 9 13 14 Pt100 Kombihülse Combiwell ...

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Page 49: ...1440 Oberursel E Mail info messko de Germany Important note The information contained in all of our publications ma y differ in detail from the actual equipment delivered We reserve the right to make alterations without prior notice BA2076 02 01 Printed in Germany Art Nr Art No 990953 ...

Page 50: ...nus are fade in with Ambient Temp On Marked menus are fade in with Ambient Temp On Releasing the key lock and key code change Releasing the key lock and key code change Releasing the key lock and key code change Releasing the key lock and key code change Releasing the key lock and key code change In the temperature indication mode press the keys UP and DOWN simultaneously As a result a mask opens ...

Page 51: ...i ling ng 1 1_ Coo Cooli ling ng 2 2_ Coo Cooli ling ng 3 3_ Coo Cooli ling ng 4 4_ CT Ratio CT CT Rati tio__ __ 100 1000 1 1_ Sa Save ve YES YES NO NO Hotspot Fact Hot Hotsp spot ot Fact act H H 1 2 1 2__ ___ Sav Save e YES YES NO NO Cooling 0 Co Cool olin ing 0 _ g 0 _ Rat Rated ed C Curren rent_ Gra Gradi dien ent gr t gr _ Win Windi ding ng Expo xpone nent nt Tim Time Co e Cons nstan tant_ Rat...

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