MR MESSKO MTRAB User manual

Dehydrating breather
MESSKO® MTRAB®
Operating instructions
BA6820378-03 EN . Version 2.5

© All rights reserved by Messko GmbH
Dissemination and reproduction of this document and use and disclosure of its
content are strictly prohibited unless expressly permitted.
Infringements will result in liability for compensation. 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 were written in German.

Table of contents
3BA6820378-03 EN
1 Introduction...........................................................................7
1.1 Manufacturer.................................................................................... 7
1.2 Completeness.................................................................................. 7
1.3 Subject to change without notice ..................................................... 7
1.4 Safekeeping..................................................................................... 8
1.5 Notation conventions ....................................................................... 8
1.5.1 Hazard communication system .................................................................... 8
1.5.2 Information system..................................................................................... 10
1.5.3 Instruction system ...................................................................................... 10
1.5.4 Typographic conventions ........................................................................... 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-monitoring function ................................................................. 24
3.8 Outputs .......................................................................................... 24
3.9 Filter heater (HT version) (optional)............................................... 24
3.10 Test button..................................................................................... 25

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4 BA6820378-03 EN
3.11 Safety markings and nameplate .................................................... 25
4 Packaging, transport and storage ....................................27
4.1 Purpose ......................................................................................... 27
4.2 Suitability, structure and production............................................... 27
4.3 Markings ........................................................................................ 27
4.4 Transportation, receipt and handling of shipments........................ 27
4.5 Storage of shipments..................................................................... 29
4.6 Further transport ............................................................................ 29
4.7 Unpacking...................................................................................... 29
5 Mounting .............................................................................33
5.1 Installation recommendations ........................................................ 33
5.2 Checking the connecting flange on the 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 Electromagnetic compatibility ........................................................ 51
6.1.1 Wiring requirement of installation site ....................................................... 51
6.1.2 Wiring requirement of operating site ......................................................... 52
6.2 Supply voltage ............................................................................... 52
6.3 Cable recommendation.................................................................. 53
6.4 Routing and preparing the cable.................................................... 54

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5BA6820378-03 EN
6.5 Connecting the supply voltage....................................................... 58
6.6 Connecting the regeneration signaling relay ................................. 59
6.7 Connecting the device error signaling relay................................... 60
6.8 Connecting analog outputs ............................................................ 61
6.9 Connecting the RS485 interface and configuring Modbus (optional) .
63
6.9.1 4-conductor full duplex ............................................................................... 63
6.9.2 2-conductor half duplex.............................................................................. 65
6.9.3 Notes on connecting 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 messages ............................................................................. 85
9.2 Status messages ........................................................................... 87
9.3 Fuse............................................................................................... 88
9.4 Replacing the battery (CR2032) .................................................... 90
9.5 Contaminated silica gel.................................................................. 91
10 Maintenance, inspection and care ....................................93
10.1 Maintenance .................................................................................. 93

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6 BA6820378-03 EN
10.2 Inspection ...................................................................................... 93
10.3 Test button..................................................................................... 94
10.3.1 Quick test ................................................................................................... 95
10.3.2 Long test .................................................................................................... 98
10.4 MSET MTRAB data logger software (optional)............................ 100
10.5 Care ............................................................................................. 100
11 Disposal.............................................................................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

1 Introduction
7BA6820378-03 EN
This technical document contains detailed descriptions on the safe and
proper installation, connection, commissioning and monitoring of the prod-
uct.
This technical document is intended solely for specially trained and autho-
rized personnel.
1.1 Manufacturer
The product is manufactured by:
Messko GmbH
Gewerbegebiet An den Drei Hasen
Messko-Platz 1
61440 Oberursel
Germany
Phone: [phone]
E-mail: [email protected]
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 the technical speci-
fications approved at the time of printing. Significant modifications will be in-
cluded in a new edition of the technical file.
The document number and version number of this technical file are shown in
the footer.

1 Introduction
8 BA6820378-03 EN
1.4 Safekeeping
Keep this technical file and all supporting documents ready at hand and ac-
cessible for future use at all times.
1.5 Notation conventions
This section contains an overview of the symbols and textual emphasis
used.
1.5.1 Hazard communication system
Warnings in this technical file are displayed as follows.
1.5.1.1 Warning relating 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 apply to smaller units of information than the warnings relating to sec-
tions. Embedded warnings use the following format:
DANGER! Instruction for avoiding a dangerous situation.

1 Introduction
9BA6820378-03 EN
1.5.1.3 Signal words and pictograms
The following signal words are used:
Signal word Definition
DANGER Indicates a hazardous situation which, if not avoided, will result in
death or serious injury.
WARNING Indicates 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 electrical voltage
Warning of combustible substances

1 Introduction
10 BA6820378-03 EN
Pictogram Definition
Warning of a tipping hazard
Warning of a hot surface
Table2: Pictograms used in warning notices
1.5.2 Information system
Information is designed to simplify and improve understanding of particular
procedures. In this 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
üRequirements (optional).
► Step 1 of 1.
ðResult of step (optional).
ðResult of action (optional).
Multi-step instructions
Instructions which consist of several process steps are structured as follows:

1 Introduction
11BA6820378-03 EN
Aim of action
üRequirements (optional).
1. Step 1.
ðResult of step (optional).
2. Step 2.
ðResult of step (optional).
ðResult of action (optional).
1.5.4 Typographic conventions
The following 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: Typographic conventions

2 Safety
12 BA6820378-03 EN
This technical document contains detailed descriptions on the safe and
proper installation, connection, commissioning and monitoring of the prod-
uct.
▪ Read this technical document through carefully to familiarize yourself with
the product.
▪ This technical document is a part of the product.
▪ Read and observe the safety instructions provided in this chapter in partic-
ular.
▪ Observe the warnings in this technical document in order to avoid func-
tion-related dangers.
▪ The product is manufactured on the basis of state-of-the-art technology.
Nevertheless, risks to life and limb of the user or impairment of the prod-
uct and other material assets may occur during use due to function-re-
lated dangers.
2.1 General 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
oil-insulated transformers, reactors and tap changers for dehydrating the air
sucked into oil conservators.
If used as intended, in compliance with the requirements and conditions
specified in this technical document and observing the warning notices in
this technical document and attached to the product, the product does not
pose risk of injury or damage to property or the environment. This applies
across the entire service life of the product, from delivery to installation and
operation through to disassembly and disposal.

2 Safety
13BA6820378-03 EN
The following is considered appropriate use:
▪ Operate the product in accordance with this technical document, the
agreed-upon delivery conditions and the technical data.
▪ Ensure that all necessary work is performed by qualified personnel only.
▪ Only use the equipment included in delivery for the intended purpose and
in accordance with the specifications of this technical document.
▪ Observe the notices in this technical document regarding electromagnetic
compatibility and the technical data.
2.3 Inappropriate use
Use is considered inappropriate if the product is used other than as de-
scribed in the "Appropriate use" section.
Messko GmbH does not accept liability for damage resulting from unautho-
rized or inappropriate changes to the product. Inappropriate changes 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 ensure the following:
Personal protective equipment
Loosely worn or unsuitable clothing increases the danger of becoming
trapped or caught up in rotating parts and the danger of getting caught on
protruding parts. This results in danger to life and limb.
▪ All necessary devices and personal protective equipment required for the
specific task, such as a hard hat, safety footwear, etc. must be worn. Ob-
serve the "Personal protective equipment" [►Section 2.6, Page 16] sec-
tion.
▪ Never wear damaged personal protective equipment.
▪ Never wear rings, necklaces or other jewelry.
▪ If you have long hair, wear a hairnet.

2 Safety
14 BA6820378-03 EN
Work area
Untidy and poorly lit work areas can lead to accidents.
▪ Keep the work area clean and tidy.
▪ Make sure that the work area is well lit.
▪ Observe the applicable laws for accident prevention in the relevant coun-
try.
Explosion protection
Highly flammable or explosive gases, vapors and dusts can cause serious
explosions and fire.
▪ Do not install or operate the product in areas where a risk of explosion is
present.
Safety markings
Warning signs and safety information plates are safety markings on the
product. They 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 conditions specified in the technical data.
▪ Observe the specified operating conditions and requirements for the in-
stallation location.
Modifications and conversions
Unauthorized or inappropriate changes to the product may lead to personal
injury, material damage and operational faults.
▪ Only modify the product after consultation with Messko GmbH.

2 Safety
15BA6820378-03 EN
Spare parts
Spare parts not approved by Messko GmbH may cause physical injury and
damage the product.
▪ Only use spare parts approved by the manufacturer.
▪ Contact Messko GmbH.
Working during operation
You must only operate the product when it is in a sound operational condi-
tion. Otherwise it poses a danger to life and limb.
▪ Regularly check the operational reliability of safety equipment.
▪ Perform the inspection tasks described in this technical document regu-
larly.
2.5 Personnel qualification
The person responsible for assembly, commissioning, operation and inspec-
tion must ensure that personnel are sufficiently qualified.
Electrically skilled person
The electrically skilled person has 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)he works.
▪ Must satisfy the requirements of the applicable statutory regulations for
accident prevention.
Electrically trained persons
An electrically trained person receives instruction and guidance from an
electrically skilled person in relation to the tasks undertaken and the poten-
tial dangers in the event of inappropriate handling as well as the protective
devices and safety measures. The electrically trained person works exclu-
sively under the guidance and supervision of an electrically skilled person.

2 Safety
16 BA6820378-03 EN
Operator
The operator uses and operates the product in line with this technical docu-
ment. The operating company provides the operator with instruction and
training on the specific tasks and the associated potential dangers arising
from improper handling.
Technical Service
We strongly recommend having repairs and retrofitting carried out by our
Technical Service department. This ensures that all work is performed cor-
rectly. If repair work is not carried 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: [phone]
Fax: [phone]
E-mail: [email protected]
Internet: www.reinhausen.com
2.6 Personal protective equipment
Personal protective equipment must be worn during work to minimize risks to
health.
▪ Always wear the personal protective equipment required for the job at
hand.
▪ Never wear damaged personal protective equipment.
▪ Observe information about personal protective equipment provided in the
work area.

2 Safety
17BA6820378-03 EN
Personal protective equipment to be worn at all times
Protective clothing
Close-fitting work clothing with a low tearing
strength, with tight sleeves and with no protrud-
ing parts. It mainly serves to protect the wearer
against being caught by moving machine parts.
Safety shoes
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
To protect from hearing damage.
Protective gloves
To protect from mechanical, thermal, and electri-
cal hazards.

3 Product description
18 BA6820378-03 EN
This chapter contains an overview of the design and function of the product.
The dehydrating breather is mounted using a "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

3 Product description
19BA6820378-03 EN
3.2 Design/versions
Figure1: Design

3 Product description
20 BA6820378-03 EN
1 DB100 2 2-hole RM flange*) (in accordance
with DIN2558) including Centellen
WS3820 gasket; for DB100 only
(optional)
3 4-hole circular 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