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3 Product description

BA6820378-03 EN

3.3 Function description

The dehydrating breather is used in oil-insulated transformers, reactors or
tap changers for dehydrating the air sucked into oil conservators.

Figure 2: Overview

1 Upper air spout

2 Lock nut

3 Mounting flange (configurable)

4 Nut

5 Temperature and humidity sensor

6 Grounding screw

7 Sensor cable and cable protection

(optional)

8 Connection box (lacquer color con-

figurable)

9 Desiccant container

10 Lower metal flange

11 Dust protection tube with insect

protection grille (optional) or with
filter heating (optional HT version)

For illustrations of the various designs, see Dimensional drawings.

Содержание MESSKO MTRAB

Страница 1: ...Dehydrating breather MESSKO MTRAB Operating instructions BA6820378 03 EN Version 2 5 ...

Страница 2: ...mpensation All rights reserved in the event of the granting of patents utility models or designs The product may have been altered since this document was published We reserve the right to change the technical data design and scope of supply Generally the information provided and agreements made when processing the individual quotations and orders are binding The original operating instructions we...

Страница 3: ...ns 11 2 Safety 12 2 1 General safety information 12 2 2 Appropriate use 12 2 3 Inappropriate use 13 2 4 Fundamental safety instructions 13 2 5 Personnel qualification 15 2 6 Personal protective equipment 16 3 Product description 18 3 1 Scope of delivery 18 3 2 Design versions 19 3 3 Function description 21 3 4 Terminal box 22 3 5 Controller for silica gel heating 23 3 6 Status LEDs 23 3 7 Self mon...

Страница 4: ...e transformer 35 5 3 Preparing the device 36 5 4 Mounting the device on the counterflange 39 5 4 1 Attaching the lifting gear 40 5 4 2 Inserting the flange gasket 42 5 4 3 Screwing on the flanges 43 5 4 4 Aligning the device 47 5 4 5 Tightening the double screw connection 47 5 4 6 Removing the lifting gear again 49 5 5 Removing the red protective cap 49 6 Electrical connection 51 6 1 Electromagnet...

Страница 5: ...g to the MR sensor bus 66 6 9 4 MESSKO MTRAB 2 5 68 6 9 5 Modbus settings 70 6 10 Closing the terminal box 71 6 11 Additional device grounding 73 6 12 Dielectric test 73 6 13 Ground test 74 7 Commissioning 76 7 1 Device self test during commissioning 77 7 2 Adjusting Modbus settings 78 8 Operation 79 8 1 MTRAB with gamma controller DB200G only 81 9 Error messages and troubleshooting 83 9 1 Error m...

Страница 6: ...posal 102 12 Technical data 103 12 1 Technical data 103 12 2 Application table 108 13 Dimensional drawings 110 13 1 SED_6653712_000_00 111 13 2 SED_6356077_00_000_2 112 13 3 SED_6367297_00_000_2 113 13 4 SED_6600056_000_00 114 13 5 SED_6600296_000_00 115 13 6 SED_6368543_00_000_2 116 13 7 SED_6356099_00_000_2 117 14 Appendix 118 14 1 Modbus RTU 118 14 2 RS485 communication settings 120 ...

Страница 7: ...l messko info reinhausen com Internet www reinhausen com messko Further information on the product and copies of this technical document are available from this address if required 1 2 Completeness This technical document is incomplete without the following documentation Quick guide Order confirmation 1 3 Subject to change without notice The information contained in this technical file comprises t...

Страница 8: ...ing to section Warnings relating to sections refer to entire chapters or sections sub sec tions or several paragraphs within this technical document Warnings relat ing to sections have the following format WARNING Type of danger Source of the danger and its consequences Action Action 1 5 1 2 Embedded warning information Embedded warnings refer to a particular part within a section These warn ings ...

Страница 9: ...es a hazardous situation which if not avoided could result in death or serious injury CAUTION Indicates a hazardous situation which if not avoided could result in minor or moderate injury NOTICE Indicates measures to be taken to prevent damage to property Table 1 Signal words in warning notices Pictograms warn of dangers Pictogram Definition Warning of a danger point Warning of dangerous electrica...

Страница 10: ... technical file it is laid out as follows Important information 1 5 3 Instruction system This technical file contains single step and multi step instructions Single step instructions Instructions which consist of only a single process step are structured as fol lows Aim of action ü Requirements optional Step 1 of 1 ð Result of step optional ð Result of action optional Multi step instructions Instr...

Страница 11: ...typographic conventions are used in this technical file Typographic convention Purpose Example UPPERCASE Operating controls switches ON OFF Brackets PC keyboard Ctrl Alt Bold Software operating con trols Press Continue button Menu paths Parameter Control pa rameter Italics System messages error messages signals Function monitoring alarm triggered Number of pages Cross reference 41 Table 3 Typograp...

Страница 12: ...neral safety information All persons responsible for the assembly and commissioning of the device must have sufficient specialist training Improper operation or misuse may lead to Serious injury or death Damage to the device and other property of the user A reduction in the efficient functioning of the equipment 2 2 Appropriate use The maintenance free MESSKO MTRAB dehydrating breather is used in ...

Страница 13: ... to the product without consultation with Messko GmbH can lead to personal injury damage to property and operational disruptions 2 4 Fundamental safety instructions To prevent accidents disruptions and damage as well as unacceptable ad verse effects on the environment those responsible for transport installa tion operation maintenance and disposal of the product or parts of the prod uct must ensur...

Страница 14: ...are an important aspect of the safety concept Safety mark ings are depicted and described in the chapter Product description Observe all safety markings on the product Make sure all safety markings on the product remain intact and legible Replace safety markings that are damaged or missing Ambient conditions To ensure reliable and safe operation the product must only be operated under the ambient ...

Страница 15: ...as a technical qualification and therefore has the required knowledge and experience and is also conversant with the ap plicable standards and regulations The electrically skilled person is also pro ficient in the following Can identify potential dangers independently and is able to avoid them Is able to perform work on electrical systems Is specially trained for the working environment in which s...

Страница 16: ... out by our Technical Service department please ensure that the personnel who carry out the repairs are trained and authorized to do so by Maschinenfabrik Reinhausen GmbH Maschinenfabrik Reinhausen GmbH Technical Service P O Box 12 03 60 93025 Regensburg Germany Phone 49 941 4090 0 Fax 49 941 4090 7001 E mail service reinhausen com Internet www reinhausen com 2 6 Personal protective equipment Pers...

Страница 17: ...To protect against falling heavy objects and slip ping on slippery surfaces Special personal protective equipment for particular environments Safety glasses To protect the eyes from flying parts and splash ing liquids Visor To protect the face from flying parts and splash ing liquids or other dangerous substances Hard hat To protect from falling and flying parts and mate rials Hearing protection T...

Страница 18: ... flange as standard with the option of 2 side mounting rods on the pipe for venting and dehydrating the oil conservator 3 1 Scope of delivery The following components are included in the delivery MTRAB dehydrating breather DIN flange including mounting kit and gasket or 4 hole circular flange or 2 hole RM flange all optional Operating instructions Quick guide ...

Страница 19: ...3 Product description 19 BA6820378 03 EN 3 2 Design versions Figure 1 Design ...

Страница 20: ...ircular flange for 1 2 screws including NBR75 gasket black optional 4 DIN flange similar to DIN 42 562 3 including NBR70 gasket in accordance with DIN5305 and including mounting kit optional 5 DB200G not offshore version 6 DB200D 7 DB200 8 Protective grate optional 9 Additional fastening points on the side optional additional flanges can be delivered as an option ...

Страница 21: ...w 1 Upper air spout 2 Lock nut 3 Mounting flange configurable 4 Nut 5 Temperature and humidity sensor 6 Grounding screw 7 Sensor cable and cable protection optional 8 Connection box lacquer color con figurable 9 Desiccant container 10 Lower metal flange 11 Dust protection tube with insect protection grille optional or with filter heating optional HT version For illustrations of the various designs...

Страница 22: ...nection box 1 LEDs for status display 2 RTC buffer battery type CR2032 3 USB service interface 4 Test button 5 Modbus settings optional 6 Fuse 7 Supply voltage 100 127 V DC AC 50 60 Hz 200 240 V DC AC 50 60 Hz 8 Cable gland M20x1 5 brass stainless steel or 1 2 14NPT brass ...

Страница 23: ...gamma controller The recommended application areas for the different versions of the dehy drating breather are specified in the Applications table see Section 12 2 Page 108 3 6 Status LEDs There are 3 LEDs on the front of the terminal box that indicate the status of the device Figure 4 LEDs 1 Operating status green LED 2 Regeneration heater yellow LED 3 Device error red LED An explanation of the v...

Страница 24: ...s The dehydrating breather features two analog current outputs and two sig naling relays for central data collection and further processing of its status Analog outputs active Measurement of the temperature and humidity via sensors on the upper air spout see Function description Section 3 3 Page 21 Analog 1 left Analog 2 right Temperature Humidity Regeneration relay output silica gel heating 1x ch...

Страница 25: ...t description 25 BA6820378 03 EN 3 10 Test button The test button can be used to force a device test to be performed Test but ton Section 10 3 Page 94 3 11 Safety markings and nameplate Figure 5 Safety markings ...

Страница 26: ... 2 Warning symbol on the nameplate Danger Observe notices in the operating instructions re garding supply voltage see nameplate in the chapter Commissioning Section 7 Page 76 3 Sticker on the dust protection tube Remove protective cap See the section Removing the red protective cap Section 5 5 Page 49 ...

Страница 27: ...at none of its parts touch the loading surface of the means of transport or touch the ground after unloading Inlays inside the box or crate stabilize the goods preventing impermissible changes of position and protecting them from vibration 4 3 Markings The packaging bears a signature with instructions for safe transport and cor rect storage The following symbols apply to the shipment of non hazard...

Страница 28: ...ecision has been made by the transport company or the insurance company Record the details of the damage on site immediately with the transport company involved This is essential for any claim for damages If possible photograph damage to packaging and packaged goods This also applies to signs of corrosion on the packaged goods due to moisture rain snow condensation infiltrating the packaging Make ...

Страница 29: ...ther transport Use the original product packaging for further transport If you transport the product to the final installation site in a mounted state observe the following information in order to protect the product against me chanical damage due to external influences Transport packaging requirements Select packaging suitable for the duration of transport or storage taking the climatic condition...

Страница 30: ...cant container is exposed Figure 6 DB100 DB200 removal CAUTION Risk of injury Improper removal of the device from the shipping container can lead to injuries Use lifting equipment or work as a pair to remove the DB200D DB200G dehydrating breather from the transport container Use lifting gear with sufficient carrying capacity ...

Страница 31: ...k in pairs to remove the DB200D DB200G from the shipping con tainer 3 Place the dehydrating breather on a flat surface Ensure that the glass cylinder of the desiccant container is exposed NOTICE Damage to the dehydrating breather The device can become damaged or fall if it is set down vertically on the air exhaust Do not support or set the device down on the air exhaust Always set the device down ...

Страница 32: ...4 Packaging transport and storage 32 BA6820378 03 EN Figure 8 Setting down the DB100 DB200 Figure 9 Setting down the DB200D DB200G ...

Страница 33: ...ection ver sions as well as the dimensions of the different MTRAB versions are listed in the chapter Dimensional drawings Section 13 Page 110 5 1 Installation recommendations Install the MTRAB dehydrating breather as close to the transformer as possible Provide a pipe at least 1 m in length above the MTRAB The total length of the pipe from the MTRAB to the expansion tank should not be more than 20...

Страница 34: ...ference in the pipe between the MTRAB and the expansion tank conventional dehydrating breather non return valves etc Figure 11 MTRAB pipe dips and interference sources Do not install MTRAB dehydrating breathers in parallel Figure 12 MTRAB parallel installation ...

Страница 35: ...er system that sprays upwards from below Do not clean the MTRAB dehydrating breather with spray water from be low Figure 13 Sprinkler system and spray water 5 2 Checking the connecting flange on the transformer 1 Check counterflange It must be flush and even Permitted evenness devi ation 0 2 mm ...

Страница 36: ...e surface quality of the sealing surface must be suitable for use of the gas ket Figure 14 Counterflange 5 3 Preparing the device NOTICE Damage to the dehydrating breather Impairment of seal tightness on the dehydrating breather due to loosening of the nut on the upper air intake spout Ensure that the upper screw connection is not loosened from the dehy drating breather ...

Страница 37: ... dehydrating breather for mounting proceed as follows 1 Remove the red protective cap from the upper air intake spout 2 Check that there is a gasket in the air intake spout Figure 16 Protective cap and gasket 3 Insert the flange included with delivery into the upper air intake spout ...

Страница 38: ...operty If a flange is used that is unsuitable for the weight of the device the flange may fail Only use the 2 hole RM flange for the DB100 Figure 17 Insertion of MTRAB flange 4 Screw the flange onto the MTRAB by hand approx 1 Nm Figure 18 Screwing on the flange ...

Страница 39: ... of death and damage to property Danger of death and damage to property due to falling load Do not walk under the suspended load Use a means of transport and lifting gear with sufficient carrying capac ity NOTICE Malfunction The connection may not be correctly sealed if there is grease on the flange contact surfaces Ensure that the flange contact surfaces are clean and free of grease when mounting...

Страница 40: ...ically on the air exhaust Do not support or set the device down on the air exhaust To mount the dehydrating breather on the counter flange proceed as fol lows 1 Lift and upright the DB200D DB200G with the help of a second person Each person should have one hand on the air exhaust and one hand on the connection pipe Figure 20 Lifting and uprighting the DB200D DB200G ...

Страница 41: ... BA6820378 03 EN 2 Lift and upright the DB100 DB200 as shown in the image Figure 21 Lifting and uprighting the DB100 DB200 3 Attach the lifting gear to the lifting eye bolt or pipe connection Figure 22 Lifting gear ...

Страница 42: ...5 Mounting 42 BA6820378 03 EN 5 4 2 Inserting the flange gasket Insert the flange gasket Figure 23 Flange gasket ...

Страница 43: ...e transformer counter flange using the flange mounting materials contained in the scope of delivery Figure 24 Screw connection 2 Tighten each screw in turn with approximately 24 Nm 3 Tighten each screw in turn with approximately 48 Nm 4 Tighten each screw in turn with approximately 80 Nm 5 Wait 5 minutes ...

Страница 44: ...5 Mounting 44 BA6820378 03 EN 6 Tighten each screw again with approximately 80 Nm Figure 25 Screws of DIN flange or ...

Страница 45: ...ls not included in the scope of delivery Figure 26 Screws of 4 hole round flange 2 Tighten the screws crosswise with approx 30 of the torque 3 Tighten the screws crosswise with approx 60 of the torque 4 Tighten the screws crosswise with approx 100 of the torque 5 Wait 5 minutes 6 Tighten the screws crosswise again with approx 100 of the torque or ...

Страница 46: ... materials not included in the scope of delivery Figure 27 Screws of 2 hole RM flange 2 Tighten each screw in turn with approx 30 of the torque 3 Tighten each screw in turn with approx 60 of the torque 4 Tighten each screw in turn with approx 100 of the torque 5 Wait 5 minutes 6 Tighten each screw again with approx 100 of the torque ...

Страница 47: ... 1 Hold the nut on the upper air spout and tighten the locknut on the flange with 250 Nm 2 Make sure that the lower nut is not loosened from the device during as sembly 3 Wait 5 minutes 4 Tighten the upper nut again with 250 Nm or Tightening the double screw connection on the DB200D DB200G 1 Hold the screw connection on the upper air spout and tighten the locknut on the flange with 250 Nm 2 Make s...

Страница 48: ...5 Mounting 48 BA6820378 03 EN 4 Tighten the locknut again with 250 Nm Figure 29 Double screw connection on the DB200D DB200G ...

Страница 49: ...ng screw including washer Figure 30 Grounding screw 5 5 Removing the red protective cap NOTICE Dehydrating breather malfunction The red protective cap blocks air exchange during operation of the dehy drating breather Make sure that the red protective cap is removed from the dust protec tion tube before commissioning Figure 31 Warning sticker on the dust protection tube ...

Страница 50: ...5 Mounting 50 BA6820378 03 EN Remove the red protective cap from the dust protection tube on the bot tom of the device Figure 32 Red protective cap ...

Страница 51: ...jacent energized parts NOTICE Damage to the device Electrostatic discharge can lead to damage to the device Take precautionary measures to prevent the build up of electrostatic charges on work surfaces and personnel 6 1 Electromagnetic compatibility The device has been developed in accordance with the applicable EMC standards The following points must be noted in order to maintain the EMC standard...

Страница 52: ...ich are susceptible to interference Figure 33 Recommended wiring 1 Cable duct for lines causing inter ference 3 Cable duct for lines susceptible to interference 2 Line causing interference e g power line 4 Line susceptible to interference e g signal line Never connect the device with a multi wire collective pipe Use a shielded cable for transmitting the output signal 6 2 Supply voltage You may onl...

Страница 53: ... a miniature circuit breaker The miniature circuit breaker must have the following properties Rated current 16 A or 20 A Triggering characteristic C K Z Conductor cross section For the power supply circuit use a conductor cross section suitable for the miniature circuit breaker that you have selected but at least 1 5 mm2 AWG 15 6 3 Cable recommendation Please note the following Messko GmbH recomme...

Страница 54: ...gnal ing relay device error signaling relay 4 5 6 7 8 9 Unshielded 1 5 4 mm AWG 11 15 Analog outputs Ana log output 1 Analog output 2 Terminals 10 to 15 Shielded 1 5 4 mm AWG 11 15 RS485 Shielded 0 14 1 5 mm AWG 15 26 Table 5 Recommendation for connection cable standard connections It must be possible to load all connection cables with a nominal voltage of 300 V Cable type solid or flexible 6 4 Ro...

Страница 55: ...is held on the left hand side via spring hinges and can be swung open to the left The cover of the terminal box is grounded with a grounding cable Figure 34 Uninstalling the cover of the terminal box 2 Remove the supply voltage cable jacket and cut the cable such that the length of the PE wire is 50 mm longer than the wires for L and N Strip 7 mm 1 4 of the insulation from the wires Figure 35 Prep...

Страница 56: ...ion 56 BA6820378 03 EN 3 Remove the cable jacket from the relay and analog output cables and strip 7 mm 1 4 of insulation from the wires 4 Unscrew the leftmost of the three cable glands Figure 36 Unscrewing the cable gland ...

Страница 57: ...e glands too tightly may result in line breaks and short circuits Tighten the cable gland with a torque of 4 5 Nm NOTICE Malfunction Unsealed or missing cable glands may result in dirt and moisture penetrat ing the device This will lower or invalidate the protection class Corrosion and malfunctions may occur Remove transport dust protection rings from unused cable glands and seal the cable glands ...

Страница 58: ...eed as follows 1 Insert the wire for the protective conductor into terminal 1 PE and tighten the screw terminal 2 Insert the wire for the phase plus into terminal 2 L and tighten the screw terminal 3 Insert the wire for the neutral conductor minus into terminal 3 N and tighten the screw terminal Figure 38 Connecting the supply voltage ...

Страница 59: ...ith safety extra low voltage SELV or with low voltage For electrical safety reasons mixed operation with both SELV and low voltage is not permitted In order to connect the cable for transmitting the regeneration signal changeover contact proceed as follows 1 Insert the wires into terminals 5 and 6 NC contact or 4 and 5 NO con tact 2 Tighten the screw terminals Figure 39 Regeneration signal cable ...

Страница 60: ...th safety extra low voltage SELV or with low voltage For electrical safety reasons mixed operation with both SELV and low voltage is not permitted In order to connect the cable for transmitting the device error signal NC con tact failsafe proceed as follows 1 Insert the wires into terminals 7 and 8 NO contact or 8 and 9 NC con tact 2 Tighten the screw terminals Figure 40 Device error signal cable ...

Страница 61: ...r the tempera ture proceed as follows 1 Insert the wires into terminals 10 CL and 11 CL 2 Twist the shielding if present and insert it into terminal 12 3 Tighten the screw terminals In order to connect the cable for transmitting analog signal 2 for the humidity proceed as follows 1 Insert the wires into terminals 13 CL and 14 CL 2 Twist the shielding if present and insert it into terminal 15 3 Tig...

Страница 62: ...6 Electrical connection 62 BA6820378 03 EN The analog output signal is a 4 20 mA signal by default 0 20 mA optional ...

Страница 63: ... a SCADA system via the RS485 interface This is designed as a 4 conductor system full duplex but can also be integrated into a 2 conductor system half duplex RS485 interface assignment for Modbus RTU PINs 4 conductor system 2 conductor system 1 Rx D 1 Rx D 2 Tx 2 Tx Shield Shield Comm Comm 6 9 1 4 conductor full duplex Figure 42 4 conductor system ...

Страница 64: ...ghten 2 Insert the wire for Rx into screw terminal 1 Rx and tighten 3 Insert the wire for Tx into screw terminal 2 Tx and tighten 4 Insert the wire for Tx into screw terminal 2 Tx and tighten 5 Insert the wire for the ground potential into screw terminal Comm and tighten 6 Twist the shielding insert it into the Shield terminal and tighten Figure 43 Connecting the full duplex cable ...

Страница 65: ...tor system To connect the cables for integration into a 2 conductor system proceed as follows 1 Insert the wire for D into screw terminal 1 D and tighten 2 Insert the wire for D into screw terminal 1 D and tighten 3 Insert the wire for the ground potential into screw terminal Comm and tighten ...

Страница 66: ...e ISM device operates as the Modbus master Ensure that no other Modbus master is connected over the MR sensor bus Assign a unique Modbus address to each sensor you are connecting over MR sensor bus The MR sen sor bus may experience errors if multiple sensors are using the same Modbus address Observe the following notes for connecting the sensors NOTICE Damage to the device or sensor Connect all of...

Страница 67: ... than 20 m The CPU assembly contains a terminating resistor 120 Ω at the COM2 interface Install another terminating resistor 120 Ω 0 5 W at the other end of the bus The CPU assembly contains a pull up resistor and a pull down resistor each of 680 Ω in accordance with the Modbus specification No addi tional pull up pull down resistors are needed CPU COM2 Sensor 1 Sensor x D0 A D1 B Com C 1 2 3 4 5 ...

Страница 68: ...If you would like to use a MESSKO MTRAB 2 5 sensor you must con nect the sensor to the RS485 plug terminals on the sensor bus CPU COM2 MTRAB 2 5 D0 A D1 B Com C 1 2 3 4 5 6 7 8 9 D Rx D Rx Comm Tx Tx Shield Figure 47 Connection example MESSKO MTRAB 2 5 terminal RS485 ...

Страница 69: ... sensor is the only bus device or the last bus device you must activate the sensor terminating resistor by switching the BUS termination 120 ohms switch to the position 1 ON and 2 OFF Figure 48 MESSKO MTRAB 2 5 Modbus configuration 1 Terminating resistor in half duplex mode 1 ON 2 OFF in full du plex mode 1 ON 2 ON 2 Operating mode HALF half du plex FULL full duplex 3 Modbus address ...

Страница 70: ...ion Half duplex operation terminating resistor If the MESSKO MTRAB in half duplex operation is the last device in the bus system the device is to be terminated with a 120 ohm resistor To do so proceed as follows Set the left hand switch on BUS termination 120 Ohm to the ON po sition Full duplex operation terminating resistors If the MESSKO MTRAB in full duplex operation is the last device in the b...

Страница 71: ...his setting the transmission speed is 19 200 baud and the par ity is EVEN The Modbus address of the device can be changed via the ADR switch see RS485 communication settings Section 14 2 Page 120 6 10 Closing the terminal box In order to close the terminal box again proceed as follows Check the grounding cable in the terminal box Figure 50 Terminal box grounding cable ...

Страница 72: ...rounding cable to the housing cover is not damaged when closing the terminal box Figure 51 Visual inspection 2 Set the cover of the terminal box properly on the bottom of the housing and then tighten the four housing screws Figure 52 Closing the terminal box cover ...

Страница 73: ...in the scope of delivery Connect the grounding cable at the grounding point shown in the figure to the ground potential Connection points bolts and washers for grounding the device may not be lacquered Figure 53 Additional grounding point 6 12 Dielectric test NOTICE Damage to the device Incorrect test voltage can cause damage to the device Carry out dielectric testing with a maximum of 500 V DC ü ...

Страница 74: ...tional regulations for conducting the dielectric test in the re spective country of use must be observed 6 13 Ground test Prior to commissioning perform a ground test check of the protective bond ing impedance in accordance with IEC 61010 1 When doing so observe the following information Test current 2 times the rated current of the overcurrent protection device in the supply line Test duration 1 ...

Страница 75: ... current in at the fixing screw of the grounding cable using a constant current source and measure the voltage between the measure ment point and the protective conductor connection at terminal 1 ð The measured voltage must remain less than 10 V for a period of 1 minute Figure 55 Protective bonding test ...

Страница 76: ...ctronics of the dehydrating breather due to incorrect sup ply voltage ü Make sure that the correct supply voltage in accordance with the name plate is present on the energized miniature circuit breaker Switch on supply voltage using an external isolating device Figure 56 Nameplate ...

Страница 77: ...llowing legend for the respective LED state Figure 57 LED legend 1 LED lights up 2 LED flashes 3 LED off The device performs a device self test approx 5 seconds maximum 60 seconds for devices with gamma control independently after the supply volt age is applied During the entire self test the outer LEDs flash successively Figure 58 LED signaling during commissioning ...

Страница 78: ... via the LEDs see Error messages and troubleshooting Section 9 Page 83 Figure 59 Error free operation An expanded test triggered by the user can be started using the test button see Test button Section 10 3 Page 94 7 2 Adjusting Modbus settings For information on adjusting or testing the Modbus settings see Modbus set tings Section 6 9 5 Page 70 ...

Страница 79: ...us messages Section 9 2 Page 87 If the silica gel is heat dried during error free operation the yellow LED then lights up continuously in addition to the green LED This state can be transmitted over the Regeneration signaling relay for central data collec tion and further processing of the dehydrating breather status CAUTION Risk of burns Danger of bodily injuries due to heat During regeneration y...

Страница 80: ... becoming contaminated due to direct contact with the insulating fluid In the event of the silica gel being contaminated with insulating fluid refer to the notes in the section Error messages and troubleshooting Contaminated silica gel Section 9 5 Page 91 If a device error LED lights up or flashes please observe the error table in the chapter Error messages and troubleshooting Section 9 Page 83 Fi...

Страница 81: ...le that eliminates the occurrence of overvoltages Overvolt age protection can also be retrofitted by replacing a circuit board 8 1 MTRAB with gamma controller DB200G only Make sure that the switch above the ball valve is in the AUTO position The display on the front of the ball valve indicates which of the two cylinders is separated from the air flow This display has absolutely no operational func...

Страница 82: ...8 Operation 82 BA6820378 03 EN Figure 62 Ball valve 1 Switch 2 Ball valve 3 Display 4 Ball valve control cable ...

Страница 83: ... reset and the signaling relay for device malfunctions failsafe picks up again after all errors have been acknowledged If an error occurs that you cannot remedy yourself please contact Maschinenfabrik Reinhausen GmbH MR Service Complaint Falkensteinstrasse 8 93059 Regensburg Germany E mail service reinhausen com E mail complaint reinhausen com Using the self monitoring function the device identifi...

Страница 84: ...9 Error messages and troubleshooting 84 BA6820378 03 EN Figure 63 LEDs 1 Green LED 2 Yellow LED 3 Red LED ...

Страница 85: ... 9 3 Page 88 and replace if neces sary Sensor failure on the left hand desiccant con tainer Check the cable connection of the sensor and tighten by hand if necessary 1 Nm 0 2 Nm Check the cable sensor for damage Check the sensor contacts and sensor cable socket for corro sion The sensor may be soiled or defec tive Sensor failure on the right hand desiccant container DB200D and DB200G only Error wh...

Страница 86: ...int Section 9 Page 83 Left hand position ball valve error DB200G only Check whether the ball valve switch Section 8 1 Page 81 is in the AUTO position Check both cables to the ball valve see MTRAB with gamma con troller DB200G only Section 8 1 Page 81 for damage Right hand position ball valve error DB200G only Table 6 Error messages LED OFF LED ON LED FLASHING ...

Страница 87: ... supply cable 4 Sensor cable socket 5 Sensor cable screw connection 6 Sensor cable 9 2 Status messages The individual status messages that do not have an error as the cause are listed in the following table Green LED Yel low LED Red LED Status messages Action Device is active The device is sending data logger data Optional software for output via USB necessary ...

Страница 88: ...SHING 9 3 Fuse If the fuse fails again please consult MR Service Complaint Section 9 Page 83 A device version is available that elimi nates the occurrence of overvoltages Overvoltage protection can be retrofitted by replacing a circuit board A fine wire fuse is installed on the circuit board in the terminal box to protect the control electronics This can be replaced by a replacement fuse see Secti...

Страница 89: ...rews on the housing cover Open the cover of the terminal box Figure 65 Removing the fine wire fuse 3 Remove the safety cover 4 Using a screwdriver carefully move under one end of the fuse and lift it out of the holder 5 Remove the fuse 6 Position the new fuse 5x20 mm T2A 400 V DC 500 V AC with both ends on the holder and carefully press down until it snaps in place ...

Страница 90: ...ce the safety cover Figure 66 Inserting the fine wire fuse 8 Close the terminal box again see Section 6 10 Page 71 9 4 Replacing the battery CR2032 If the following LED signaling arises the CR2032 battery in the device is to be replaced Figure 67 Battery exhausted ...

Страница 91: ...hausted CR2032 battery from the battery holder 3 Insert the new battery see Section 12 1 Page 103 quickly and do not allow several minutes to pass because otherwise the internal time will no longer match the current time When doing so ensure the polarity is cor rect Figure 68 Replacing the CR2032 battery 4 Close the terminal box again see Section 6 10 Page 71 5 Recommission the device see Section ...

Страница 92: ...k Rein hausen Service Service will replace the silica gel and clean the device Al ternatively you can request detailed documentation on replacing the silica gel Maschinenfabrik Reinhausen GmbH MR Service Complaint Falkensteinstrasse 8 93059 Regensburg Germany E mail service reinhausen com E mail complaint reinhausen com ...

Страница 93: ...intervals specified by the transformer manufacturer The following checks are necessary for each transformer inspection Check the external condition of the device for contamination damage and corrosion Also carefully clear contamination from the dust protection tube Do not used any sharp edged or pointed tools for this If the device is opened for inspection purposes e g for repeated insula tion or ...

Страница 94: ... function test if the device is heat drying yellow LED is lit If the test button is actuated in this case all LEDs flash simultaneously 10 times The test button can be used to force performance of a function test Quick test Section 10 3 1 Page 95 If the test button is held down briefly 3 seconds the humidity level in the upper air spout will be displayed for 30 seconds Long test Section 10 3 2 Pag...

Страница 95: ...ED Humidity level Action 10 R H Humidity OK 10 R H Humidity OK Regeneration imminent 10 R H Humidity OK Regeneration performed within the last 7 days 10 and 20 R H Humidity OK 10 and 20 R H Humidity OK Regeneration imminent 10 and 20 R H Humidity OK Regeneration performed within the last 7 days 20 R H Regeneration imminent ...

Страница 96: ...Section 9 Page 83 if necessary 40 R H WARNING Humidity too high Regeneration imminent The device may be inadequately dimen sioned or the silica gel may be contami nated Check the installation situation Are all transition points of the piping still sealed tightly Contact MR Service Complaint Section 9 Page 83 if necessary 40 R H WARNING Humidity is too high even though regener ation has been perfor...

Страница 97: ...ð The code for the device humidity will be displayed via the LEDs see ta ble for 30 seconds If necessary make a note of the code for the humidity ð The end of the quick test is signaled by an LED sequence see following figure ð After this the power LED alone is permanently lit in error free opera tion Figure 70 LED signal sequence at the beginning and end of the quick test If the LEDs signal again...

Страница 98: ...8 03 EN 10 3 2 Long test NOTICE Incorrect messaging When performing the long test the failsafe relay will be activated for test purposes Inform the control room that the failsafe relay will be activated Figure 71 LED signaling during the long test ...

Страница 99: ...The long test will be signaled by the LEDs for the duration of the test approx 10 minutes as shown in the figure above ð A heating test will be performed In addition the heating signaling re lay will be activated ð A 4 20 mA signal will be issued cyclically at the analog outputs for the duration of the test 3 In the control room check whether the heating signaling relay is ener gized 4 Check wheth...

Страница 100: ...ction 9 Page 83 10 4 MSET MTRAB data logger software optional The MESSKO MSET MTRAB data logger software is used for visualiza tion for processing the measurement and event data and for the configura tion of the optional Modbus interface of the MESSKO MTRAB Further more you can backup and export data with the program 10 5 Care WARNING Electric shock Risk of fatal injury due to electrical voltage D...

Страница 101: ...10 Maintenance inspection and care 101 BA6820378 03 EN Figure 73 Spray water Only use a damp cloth and mild cleaning agent to clean the device when needed ...

Страница 102: ...11 Disposal 102 BA6820378 03 EN Observe the national disposal regulations in the country of use ...

Страница 103: ...ge temperature 50 C 70 C Degree of protection terminal box IP66 IP67 in accordance with IEC 60529 Overvoltage category III Protection class I Installation altitude 2 000 m above sea level Design types Materials All external parts are resistant to weathering and UV radiation version with resistance to saltwater offshore optional Color Flanges and metal parts anodized aluminum Connection box Powder ...

Страница 104: ...ing regener ation Refer to the heating current values in the application table Heating current Current during heating process approx 1 2 minutes after enabling the heating Refer to heating current values in the application table External fuse protection Miniature circuit breaker characteristic C K Z with nominal current of 16 A or 20 A Rated insulation voltage 500 V DC in accordance with IEC 61010...

Страница 105: ...tus Test button For the device function test Fuse 5x20 mm T2A 400 V DC 500 V AC e g Littel fuse 477 series 477002 Signaling contacts Type of contact 1x changeover contact silica gel regeneration signaling relay 1x changeover contact device error signaling relay failsafe Contact material Hard gold plated gold contacts to ensure reli able function in applications with low switched currents Minimum l...

Страница 106: ...250 V AC 2 500 W resistive load 24 V DC 192 W resistive load Analog outputs active Output analog 1 left in the upper air spout Temperature 40 80 C 4 20 mA 7 5 C mA or optionally 0 20 mA 6 0 C mA Measuring error 4 20 mA 2 3 C 0 20 mA 1 8 C Output analog 2 right in the upper air spout Humidity 0 100 4 20 mA 6 25 R H mA or optionally 0 20 mA 5 0 R H mA Measuring error 4 20 mA 1 9 R H 0 20 mA 1 5 R H ...

Страница 107: ...o dimensional drawings in attach ment 4 SED 6600056 and attachment 5 SED 6600296 Filter heater HT version With heated stainless steel filter recommended for cold regions with an ambient temperature that is continuously below 0 C for more than 20 days in order to guarantee proper functioning Switching point 5 C switch on Lateral mounting See dimensional drawings in attachment 2 SED 6356077 and atta...

Страница 108: ...ility tests IEC 60529 IP66 IP67 IEC 60068 2 1 Dry cold 25 C 96 hours IEC 60068 2 2 Dry heat 70 C 96 hours Power transformer and reactor fittings IEC 60076 22 7 Accessories and fittings 12 2 Application table Application MTRAB type Silica gel Tap changer DB100 1 1 kg Arc suppression coil Petersen coil DB100 1 1 kg Air filled cable boxes DB100 1 1 kg Vehicle transformers DB100 1 1 kg Network transfo...

Страница 109: ...A 2 2 kg Beta DB200D T 4 7 A 2 4 A 4 4 kg Beta DB200G 2 3 A 1 2 A 4 4 kg Gamma 1 Heating current during the heating process approx 1 2 min After heating activation 2 Mount individually on the conservator tank no parallel mounting see mounting recommendations 3 Alpha control Status dependent control of the heat drying process through humidity monitoring Beta controller suffix T in the type designat...

Страница 110: ...ED 6356077 000 00 MTRAB DB100 DB200 With additional fastening points on the side 3 SED 6367297 000 01 MTRAB DB200D T With additional fastening points on the side 4 SED 6600056 000 00 MTRAB DB100 DB200 With cable protection 5 SED 6600296 000 01 MTRAB DB200D T With cable protection 6 SED 6368543 000 01 MTRAB DB200G With gamma control 7 SED 6356099 000 00 MTRAB With protective grate and insect grille...

Страница 111: ...stattet Zuwiderhandlungen verpflichten zu Schadenersatz Alle Rechte für den Fall der Patent Gebrauchsmuster oder Designeintragung vorbehalten A4 80 3 15 53 6 2 11 O 8 31 19 75 4 16 2 08 19 75 1 4 5 5 1 2 0 81 3 19 O 65 2 56 O 1 0 0 3 9 4 O 150 5 91 O 14 55 O 14 55 O 120 75 2 95 O 105 4 13 O 38 4 1 51 O 14 55 O 13 5 53 O 55 2 17 R 12 5 49 11 5 45 O 45 1 77 O 2 3 DIN Flansch ähnlich DIN FLANGE SIMIL...

Страница 112: ... THE PAYMENT OF DAMAGES ALL RIGHTS RESERVED IN THE EVENT OF THE GRANT OF A PATENT UTILITY MODEL OR DESIGN A3 L H Z Z 1 1 M12 10 39 120 4 72 222 5 8 76 190 7 48 171 6 73 295 5 11 63 240 9 45 100 3 94 146 5 75 O M8 x 20 10 5 41 47 1 85 optional MTRAB Abmessung mit Flansch MTRAB DIMENSIONS WITH FLANGE DB100 L DB100 H DB200 L DB200 H DIN Flansch DIN FLANGE 454 5 17 89 634 24 96 684 5 27 11 781 30 75 R...

Страница 113: ...AS WELL AS THE COMMUNICATION OF ITS CONTENTS TO OTHERS WITHOUT EXPRESS AUTHORIZATION IS PROHIBITED OFFENDERS WILL BE HELD LIABLE FOR THE PAYMENT OF DAMAGES ALL RIGHTS RESERVED IN THE EVENT OF THE GRANT OF A PATENT UTILITY MODEL OR DESIGN A3 900 5 35 45 Z Z 1 1 10 39 120 4 72 261 10 28 406 15 98 334 13 15 240 9 45 100 3 94 146 5 75 O M8 x 20 10 5 41 47 1 85 optional MTRAB DB200D T mit seitlicher Zu...

Страница 114: ......

Страница 115: ...MMUNICATION OF ITS CONTENTS TO OTHERS WITHOUT EXPRESS AUTHORIZATION IS PROHIBITED OFFENDERS WILL BE HELD LIABLE FOR THE PAYMENT OF DAMAGES ALL RIGHTS RESERVED IN THE EVENT OF THE GRANT OF A PATENT UTILITY MODEL OR DESIGN A3 900 5 35 45 120 4 72 261 10 28 406 15 98 334 13 15 240 9 45 100 3 94 MTRAB DB200D T mit Kabelschutz optional Maßzeichnung DIMENSION DRAWING MTRAB DB200D T WITH CABLE PROTECTION...

Страница 116: ...ON DISTRIBUTION AND UTILIZATION OF THIS DOCUMENT AS WELL AS THE COMMUNICATION OF ITS CONTENTS TO OTHERS WITHOUT EXPRESS AUTHORIZATION IS PROHIBITED OFFENDERS WILL BE HELD LIABLE FOR THE PAYMENT OF DAMAGES ALL RIGHTS RESERVED IN THE EVENT OF THE GRANT OF A PATENT UTILITY MODEL OR DESIGN A3 913 6 35 97 406 15 98 240 9 45 100 3 94 146 5 75 O MTRAB DB200G mit Gammasteuerung Maßzeichnung DIMENSION DRAW...

Страница 117: ...ION OF THIS DOCUMENT AS WELL AS THE COMMUNICATION OF ITS CONTENTS TO OTHERS WITHOUT EXPRESS AUTHORIZATION IS PROHIBITED OFFENDERS WILL BE HELD LIABLE FOR THE PAYMENT OF DAMAGES ALL RIGHTS RESERVED IN THE EVENT OF THE GRANT OF A PATENT UTILITY MODEL OR DESIGN A4 L optional Maß DIMENSION DB100 DB200 L 260 10 24 485 19 10 MTRAB mit Schutzgitter und Insektenschutzgitter Maßzeichnung DIMENSION DRAWING ...

Страница 118: ... OFF Voltage supply error Yes Yes 4 ON OFF Left sensor error Yes Yes 5 ON OFF Right sensor error DB200D only Yes 6 ON OFF Right gamma error No Yes 7 ON OFF Left gamma error No Yes 8 ON OFF RTC battery low Yes Yes 9 ON OFF Analog output 1 open Yes Yes 10 ON OFF Analog output 2 open Yes Yes 11 ON OFF Alpha controller info Yes No 12 ON OFF Beta controller info Yes No 13 ON OFF Info two cylinders DB20...

Страница 119: ...OFF Right sensor status DB200D only Yes Analog values input register Function code 04 for reading the information No MSW LSW Value Designation DB100 200 200D DB200G 0 MSW float32 Left humidity sensor Yes Yes 1 LSW 2 MSW float32 Left temperature sen sor Yes Yes 3 LSW 4 MSW float32 Right humidity sensor DB200D only Yes 5 LSW 6 MSW float32 Right temperature sen sor DB200D only Yes 7 LSW MSW most sign...

Страница 120: ... temperature sensor DB200D only Yes 14 2 RS485 communication settings ADR po sition Address Baud rate Parity Description 0 247 9 600 EVEN Address baud rate and parity can not be changed 1 D 1 13 19 200 EVEN The addresses 1 13 can be set via HEX rotary switch 1 D baud rate and parity cannot be changed E Settings via MSET MTRAB data logger software F None 115 200 NONE For service purposes Factory se...

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Страница 124: ...begebiet An den Drei Hasen Messko Platz 1 61440 Oberursel Germany 49 0 6171 6398 0 messko info reinhausen com www reinhausen com messko BA6820378 03 EN MESSKO MTRAB F0377903 08 21 Messko GmbH 2021 THE POWER BEHIND POWER ...

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