Nome Nmas Simple User manual

Table of contents
General...........................................................................................................................................................4
Product description........................................................................................................................................4
Safety information..........................................................................................................................................4
Intended use...................................................................................................................................................4
Support / Manufacturer..................................................................................................................................5
Terminology...................................................................................................................................................6
Measurement interface (MI)......................................................................................................................6
Signal.........................................................................................................................................................6
 igure.........................................................................................................................................................6
Warning and Alarm...................................................................................................................................7
Warning and Alarm Configurations..........................................................................................................8
Nmas Hardware..............................................................................................................................................9
nmas Simple..............................................................................................................................................9
Nmas Hardware Components........................................................................................................................9
SU (Sensor Unit).......................................................................................................................................9
LD (Local Data)........................................................................................................................................9
RD (Remote Display)..............................................................................................................................10
WR (Wireless Router).............................................................................................................................10
Server......................................................................................................................................................10
Nmas Software.............................................................................................................................................10
nmas Simple software.............................................................................................................................10
nmas RD software...................................................................................................................................10
nmas Server software..............................................................................................................................10
Nmas Software Components........................................................................................................................10
LD View..................................................................................................................................................10
View........................................................................................................................................................10
Analysator...............................................................................................................................................11
Configurator............................................................................................................................................11
Signal processing.........................................................................................................................................11
Analog-to-digital converter.....................................................................................................................11
High frequency measurement AD-converter...........................................................................................11
Low frequency measurement AD-converter...........................................................................................12
nmas Data Management...............................................................................................................................12
Nmas Simple components............................................................................................................................13
Carrying case...........................................................................................................................................13
nmas Simple unit.....................................................................................................................................14
Acceleration sensors................................................................................................................................15
Acceleration sensor cables......................................................................................................................16
Magnetic base for accelerometers...........................................................................................................17
Tachometer (Speed sensor).....................................................................................................................18
Magnetic base stand for tachometer........................................................................................................19
Preparing for use nmas Simple....................................................................................................................20
Overview.................................................................................................................................................20
Local display...........................................................................................................................................20
Start / Stop..........................................................................................................................................21
Result list............................................................................................................................................23
Connection information......................................................................................................................24
Device name.......................................................................................................................................25
Trend...................................................................................................................................................25
Connection possibilities...............................................................................................................................26
Local nmas_network...............................................................................................................................26
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                 nmas Simple
Local network..........................................................................................................................................27
Remote connection..................................................................................................................................28
Cloud service...........................................................................................................................................29
Default configurations of nmas Simple.......................................................................................................30
Configuring nmas Simple........................................................................................................................30
Connectors...................................................................................................................................................31
Connector pin-out....................................................................................................................................32
Start measurements on nmas Simple.......................................................................................................33
Start remote connections on nmas WR (optional)..................................................................................33
Configurating nmas Simple.....................................................................................................................33
Reset nmas Simple..................................................................................................................................34
Taking out of service and disposal...............................................................................................................34
Contacts........................................................................................................................................................34
Index.............................................................................................................................................................35
Page 3

nmas Simple

General

nmas® is a registered trademark of Nome LTD. nmas® is an abbreviation of

Nome Monitoring and Analyzing System.

This manual describes the usage of nmas hardware on unit. More info can be

found at http://nmas.nome.fi.

Version:

1.0 24.05.2016

1.1 05.08.2016

1.2 11.10.2016

1.3 16.12.2016

1.4 27.7.2017

Product description

Nmas is an on-line condition monitoring system. Nmas can be used to monitor

different sensors and signals. System can be used as an individual signal

converter or as a collector and data analyzer.

Safety information

Information in this manual should be followed carefully to avoid electric

hazards and dangerous situations. Misuse of hardware may lead to equipment

or human damage. Wrong settings can lead to false signal scaling,

disinformation or might cause machine failures. Please use professionals for

configuration changes.

Manufacturer recommends twisted and shielded pair cable or other sensor

manufacturer's recommended cable for all the sensor connections.

Do not install the sensor cables near high voltage cables.

Unconnect the sensors from the cables when welding or other high voltage

operations are occuring near the sensors. Make sure that high voltage

operations near the sensors do not damage the sensors.

Manufacturer is not responsible for damages made during installations.

If sensor is not connected, set the channel off to avoid any false diagnosis.

Intended use

Nmas is a condition monitoring device. It has multiple different features so

usage may vary. Nmas should not be used as security device without

consulting the manufacturer.

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nmas Simple

Support / Manufacturer

Please contact your local distributor for support. Manuals and user info can be

found from manufacturer site h ttp:// nmas .nome.fi. Manufacturer of the nmas

software and hardware is:

Nome LTD.

Lummintie 9

90460 Oulunsalo

inland

www.nome.fi

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nmas Simple

Terminology

Measurement interface (MI)

Nmas supports multiple signal and sensor connections. Some of these are

sensors but nmas has no limitation of the input type. All data entered to nmas

comes from Measurement Interface.

Examples of mesurement intefaces:

•acceleration sensor (IEPE type)

•pulse sensor

•pressure sensor

•oil particle counter

•modbus interface

•digital sensor

Signal

Some measurement interfaces provide timebase data. This data is described as

signal in nmas. Signal is sample of data during limited time frame. Signal is

used for further analysis and can be stored for later analysis. Signal is typical

for acceleration and voltage inputs.

Picture 1: Signal from acceleration sensor.

Figure

All trend data is handled as figures. Figures are single number values

representing data from measurement interface. User can attach multiple

figures to same signal. Typically figures have relation to physical quantities.

At least one figure should be linked to every measurement interface. Figure

names are used in data views and reporting.

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nmas Simple

Picture 2: Figures

Nmas supports figure calculations in two levels. Levels are defined as

hardware level and software level. Difference between levels is that

calculation of hardware level figures are done immediately when data is

measured. Software level figures are calculated when data is stored to

database. Software level figures can also be calculated anytime after data has

been stored.

Nmas hardware level figures can be related to peak, mean or rms values of

relating data. Software level figures have no limitations. Data in nmas storage

can be manipulated, recalculated and associated to other signals as desired.

Please note that some software level figures have to be specially added to nmas

and are not included in standard user interfaces.

Warning and Alarm

Nmas warnings and alarms are always related to figures. All figures can have

individual warnings and alarms. As in figures nmas supports two levels of

warnings and alarms. Levels are defined as hardware level and software level.

When using warnings and alarms it is important to notice that only hardware

level warnings and alarms are calculated immediately when data is measured.

When warning or alarm information demand immediate actions they should be

configured as hardware level warnings and alarms.

Nmas hardware level warnings and alarms can be related to peak, mean or rms

values of data.

Picture 3: Trend data with warning and alarm limit.

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nmas Simple

Warning and Alarm onfigurations

Warning and alarm configuration allows user to define how warnings and

alarms are treated in measurement hardware and software. Common to all

''warnings and alarms'' is that they have multiple triggering levels. Basic set up

of levels is two. These two levels can be understood as warning and alarm

level.

Passing ''hardware level warnings and alarms'' always triggers data storage. If

action is related to ''figure'' calculated from ''signal'' all related data is also

automatically stored. With this operation user can always verify the reason for

alarm action.

Nmas can be configured to react on every ''figure'' level passing. This is usually

not desired since it can lead to very high amount of data storage. Usually at

least one direction of level passing should be set to values higher than 10. In

typical condition monitoring situation both passing counter values should have

values higher than 10. Due to this behavior data in trend can be higher than

warning or alarm limit without any triggered warning or alarm actions.

Reacting on level passings is controlled with configuration parameters count-

up and countdown. Count-up defines how many times figure value has to be

higher than level before level actions are triggered. Countdown amount defines

how many times figure value has to be lower than set level before level actions

are triggered.

Picture 4: Figure is higher than alarm level in five su sequent measurements and alarm is

triggered with count-up value of five.

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nmas Simple

Picture 5: Figure is higher than alarm level in three su sequent measurements and alarm is

not triggered with count-up value of five.

Nmas Hardware

nmas Simple

In nmas Simple hardware components Sensor Unit (SU) and Local Data (LD)

are combined in one housing. Other hardware components can be added as

external units.

Nmas Hardware omponents

SU (Sensor Unit)

Sensor Unit (nmas SU) is used to measure data from different kinds of sensors.

Data can be vibration sensor data or data from any other sensor providing

signal between 0 - 30 VDC. Data can be processed inside unit to enable

characteristic value outputs. SU uses Ethernet or radio for communication.

Unit can be configured for different measurements. Configuration is stored in

LD.

LD (Local Data)

Local Data (nmas LD) is a unit to locally store and display measurement data.

LD can store up to 500 MB of measurement data. This is usually more than six

months of measurements.

Data samples from nmas SU are stored as raw signals. Also selected

characteristic values are stored for faster analysis. All raw signals can be

downloaded and processed for more accurate analysis afterwards.

When database is coming to it's size limitations cleaner activates and removes

parts of oldest data.

nmas LD communicates to nmas SU with wired Ethernet or wireless radio

(special orders).

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nmas Simple

LD can be equipped for remote connections and analysis. Remote connection

can be made via wired or wireless Ethernet.

LD is used as a cloud server for measurement data and software components in

local network.

RD (Remote Display)

Remote Display (nmas RD) is unit to display data in local network. Typical

usage is to present data in control rooms. RD units do not store data. All

visible data is downloaded from nmas-cloud. Data clouds can be in nmas

server or nmas LD. Remote Display can show data from multiple nmas-clouds.

WR (Wireless Router)

Wireless Router (nmas WR) is used for routing data in wireless nmas-network.

Routing can be a combination of Ethernet, wlan or gsm data transfer.

Server

All nmas units can operate individually. Nmas server can be used for central

data storage, long time data storage, remote access, database manipulation and

big data analysis. In small installations nmas server is usually not needed.

Nmas Software

All nmas softwares need Java 7 or higher to run.

nmas Simple software

nmas Simple is shipped with “LD View” and “View” software. nmas Simple

unit is used for hosting “View" software in local network.

nmas RD software

nmas RD is shipped with “View” software.

nmas Server software

Server is used for hosting all software components.

Nmas Software omponents

LD View

nmas LD view software is used to display latest results on small displays. Most

typically LD view software is used on nmas LD unit. Software allows user to

view latest results as a list and a trend. LD View user interface also allows user

to change some values related to measurements.

View

nmas View software is used for viewing data. It can be used for viewing data

in different formats. Basic view is to follow measurements as trend data. nmas

Page 10

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