Apator Metra E-RM 30 Handbuch

ELECTRONIC RADIO MODULE FOR WATER METER

E-RM 30

Installation and service man al

APATOR METRA s.r.o.

Havlíčkova 919/24

787 64 Šumperk

tel.: +420 583 718 111

fa : +420 583 718 150

e-mail: prodej@metra - su.cz

www: http://www.metra - su.cz

E-RM 30

Installation and service manual M2016/09f[EN]

TABLE OF CONTENTS

1. INTRODUCTION.....................................................................................................................3

2. DESCRIPTION.......................................................................................................................4

2.1. Type list.................................................................................................................................................. 4

3. CONSTRUCTION AND TECHNICAL DATA.....................................................................................5

3.1. Technical data........................................................................................................................................ 5

3.1.1. Radio module E-RM 30 construction............................................................................................... 6

4. RADIO MODULE´S OPERATION MODES......................................................................................7

4.1. Sleeping mode....................................................................................................................................... 7

4.2. Mode of automatic activation..................................................................................................................7

4.3. Working mode........................................................................................................................................ 7

4.4. Error mode............................................................................................................................................. 7

5. WORK WITH A RADIO MODULE................................................................................................8

5.1. Installation E-RM 30 to the water meter.................................................................................................8

5.2. Reading data, defining parameters and operating modes......................................................................8

5.3. Change of operation mode..................................................................................................................... 8

5.3.1. Switch a radio module to the working mode....................................................................................9

5.3.2. Switch a radio module to the mode o automatic activation.............................................................9

5.3.3. Switch a radio module to the sleeping mode.................................................................................10

5.4. Electronic seal reactivation...................................................................................................................10

6. OTHER INFORMATIONS........................................................................................................10

6.1. Transporting......................................................................................................................................... 10

6.2. Storage................................................................................................................................................. 10

6.3. Application and disposal...................................................................................................................... 11

6.4. Defects and their elimination................................................................................................................11

6.5. Warranty............................................................................................................................................... 11

7. ACCOMPANYING DOCUMENTATION.........................................................................................11

7.1. Ordering............................................................................................................................................... 11

7.2. Packing................................................................................................................................................. 11

8. WATER METERS.................................................................................................................13

8.1. Choosing the right water meter size.....................................................................................................13

8.2. Water meter JS.................................................................................................................................... 13

8.2.1. Single jet dry type water meter...................................................................................................... 13

8.2.2. Parameters.................................................................................................................................... 13

8.2.3. Structure........................................................................................................................................ 14

8.2.4. Testing at the receipt..................................................................................................................... 14

8.2.5. Conditions o correct installation o water meters..........................................................................14

8.2.6. Filling with water and start – up o low transducers......................................................................16

8.2.7. Water meter marking (example).................................................................................................... 17

8.3. Water meter GSD8-RF.........................................................................................................................17

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E-RM 30

Installation and service manual M2016/09f[EN]

1. INTRODUCTION

Radio madule E-RM 30 scans the data from specially designed water meter, processes them, save to the

memory and transmits data via radio signal. Data sent by radio interface can be read without entering the flat

and even entering the building. E-RM 30 together with electronic heat cost allocators E-ITN 30 protect your

privacy and save your time due to remote data reading.

E-RM 30 rod antenna features a very good efficiency. Deu to this high-quality signla it is possible to read

data without entering the building eve in case of installation in the shaft of multiplestorey building. Data

reading can be made by billing company employee using mobile receiving unit. Data can be also read by

central reading system CRS 40 permanently installed in the building if required. If radio heat cost allocators

E-ITN 30 are also used, data are read simultaneously.

Every user can control current value on analogue dial of water meter. In contrast to the traditional water

meter, radio module E-RM 30 distinguish the direction of water flow – it is thus possible to detect

manipulation with water meter (its turning).

The radio module can be of course secured by conventional mechanical seal against its removal from water

meter. The radio module is equipped with an electronic seal that allows you to identify unauthorized

manipulation and record the e act date. Furthemore, some modelas can detect attemps to manipulate the

water meter by the use of an e ternam magnetic field (e.g. the use of a strong magnet). Information about

such manipulation is transmitted in radio signal.

Month consumptions for forward and back flow for past 12 months can be read from the radio module

memory via infra-red interface.

3 / 17

Illustration 1: Radio module E-RM 30 with water meter JS

radio module E-RM 30

water meter JS

antenna

IR diode for infra-red

reading

preparation for

mechanical seal water meter dial

reading sensors

E-RM 30

Installation and service manual M2016/09f[EN]

2. DESCRIPTION

Radio module E-RM 30 is intended for record of data about consumed water – measured by mechanical

water meter – and for remote reading of these data. Mechanical water meter is equipped with rotating

circular disc with reflecting sector. Radio module permanently scan the surface of the disc – its speed and

rirection of rotation. Amount of consumed water is recorded and also direction of flow )forward flow or

backflow).

Radio module E-RM does not dispose of display – is equipped with IR interface with bi-birectional

communication. Via this interface it is possible to set module parameters, switch between operational modes,

get informations about set parameters, module functions and measured values (e.g. chapter 5.2. Reading

data, defining parameters and operating modes a 5.3. Change of operation mode).

Some models of the E-RM 30 (e.g. chapter 2.1. Type list) are able to detect attempts to manipulate the water

meter by using an e ternal magnetic field (for e ample by using a magnet). The actual transfer of data

between the water meter and the radio module is based on an optical principle (just like the radio module

itself) and is therefore not affected by a magnetic field.

The radio module is equipped with electronic seals (and also the option to use mechanical seals) in order to

safeguard the module from tampering. If there is an unauthorised removal of the module from the meter, the

device records and stores the date of the offence and transmits this information by radio signal. The unit

remains in operating mode and after re-activation and re-setting it continues to measure the flow in the water

meter.

2.1. TYPE LIST

Radio modules E-RM 30 are produced in several types, which are divergent in water meter made for,

antenna size and skill of magnetic field detection.

The type with short antenna (about 15mm) is determined to places where is not possible to use a standard

one. Due to the low signal is recommended - if it is possible – to use a module with standard antenna.

Type Water meter Antenna Biling period Calc lat. battery

lifetime (year)

Magnetic field

detection

E-RM 30.101

GSD8-RF

standard year

6+1 (reserve) -

E-RM 30.102 month

E-RM 30.111 short year

E-RM 30.112 month

E-RM 30.201

standard year

6+1 (reserve) -

E-RM 30.202 month

E-RM 30.211 short year

E-RM 30.212 month

E-RM 30.301 JS standard year 10+1 (reserve) ●

E-RM 30.302 month

Warning!

Radio mod les are determined j st for one water meter type. Yo CAN´T se it for another type. For

example radio mod le E-RM 30.101 m st not be sed for water meter JS. The man fact rer

ass mes no liability for meas rement mistakes ca sed by water meter s bstitation.

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E-RM 30

Installation and service manual M2016/09f[EN]

3. CONSTRUCTION AND TECHNICAL DATA

3.1. TECHNICAL DATA

Environment temperature 5 to 50 °C

Billing period e.g. chapter 2.1. Type list

Calendar functions month consumption, 12 months history (standard flow and backflow)

Data reading radio and infra-red interface

Protection against cheating backflow detection for e ample, reversal of the meter

electronic seal – records the data of any manipulation or removal of

device

magnetic pole deletction (> 3 mT) – only E-RM 30.3**

an option to mechanically lock the radio module to the water meter

Backup data daily backup of measured values including real time

Function control automatic

Dimensions 70 44 71 mm

Power suply lithium battery 3 V

Calculat. battery lifetime e.g. chapter 2.1. Type list

Material polycarbonate

IP code IP64

Class of climate and

mechanical environment

Class of electromagnetic

environment

Working frequency 868 MHz

Transmitting wattage < 5 mW

Class of operating cycle 1 (percent of operating cycle <0,1 %)

Length of transmission < 8 ms

Transmission frequency E-RM 30.**1 (year billing period)

•60-66 seconds first month after beginning of billing period

•240-246 seconds rest of the year

E-RM 30.**2 (month billing period)

•60-66 seconds first 3 days after beginning of billing period

•240-246 seconds rest of the year

Transmition up to 500 m (with standard antenna, reading carried out by antenna

ZZ P- 868

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E-RM 30

Installation and service manual M2016/09f[EN]

Rem.: all metal parts o construction (switch rooms, armouring, li ts, etc.)

can negatively a ect the range o radio signal.

Data coding yes

Data available via infra-red

interface (for e act data

structure see manual for

decoding software)

E-RM 30.***

•serial number

•consumption in actual billing period, standard flow

•consumption in actual billing period, back flow

•consumption in past billing period, standard flow

•consumption in past billing period, back flow

•reading date (day, month, year)

•date of billing period beginning

•electronic seal status

•stav detektoru magnetického pole (pouze E-RM 30.3**)

Data available via infra-red

interface (for e act data

structure see manual for

decoding software)

E-RM 30.**1

•serial number

•date of billing period beginning

•month consumptions, standard flow (12 months history)

•month consumptions, backflow (12 months history)

•reading date

•consumption in actual billing period, standard flow

•consumption in actual billing period, back flow

•consumption in past billing period, standard flow

•consumption in past billing period, back flow

•consumption in billing period before last, standard flow

•consumption in billing period before last, back flow

•date of electronic seal activation

•date of electronic seal breakage

•operation mode of radio module

•date of magnetic field disruption (only E-RM 30.3**)

E-RM 30.**2

•serial number

•date of billing period beginning

•month consumptions, standard flow (12 months history)

•month consumptions, backflow (12 months history)

•reading date

•consumption in actual billing period, standard flow

•consumption in actual billing period, back flow

•electronic seal activation date

•date of electronic seal breakage

•operation mode of radio module

•date of magnetic field disruption (only E-RM 30.3**)

3.1.1. Radio module E-RM 30 construction

The E-RM 30 unit consists of a top part with an aperture for infrared communication and a bottom part for

detecting the water meter. Both parts provide a protective covering for the printed circuit boards, electronic

components, antenna and battery. The device is equipped with a 16-bit micro processor with low power

consumption and a radio transmission module, powered by lithium batteries. The bottom part is attached to

the top part by 3 self tapping screws and protected against water ingress by a seal.

6 / 17

E-RM 30

Installation and service manual M2016/09f[EN]

4. RADIO MODULE´S OPERATION MODES

Radio module E-RM 30 can be in four operation modes:

•sleeping mode

•automatic activation mode

•working mode

•error mode

Description, how to cange a operation mode find in chapter 5.3. Change of operation mode.

4.1. SLEEPING MODE

Sleeping mode is suitable for prolonged storage prior to radio module use. In this mode device does not scan

position of water meter disc (does not measure amount of consumed water) and does not trasnmit measured

data. Radio module only actualizes real time. Electronic seal is not activated and consumption of electric

power is minimized. The storage period should not e ceed one year.

After installation and sealing the radio module is necessary to do an activationtivaci – description e.g.

chapter 5.3.1. Switch a radio module to the working mode.

Warning!

Witho t an activation, radio mod le E-RM 30 is not reading and sending any data.

4.2. MODE OF AUTOMATIC ACTIVATION

Mode of automatic activation makes installation of water meter with radio module easier. Installation consists

only from putting module on water meter and installation of mechanical seal.

In mode of automatic activation, module regulary tests disc presence. If the presence is detected, measuring

of water consumption is switched on. After 5 liters flows trough, radio module is switched to working mode

and electronic seal is activated. Date of electronic seal activation is saved to radio module memory.

We recommend to do an activation by 5 liters flow immediately after the installation. Otherwise radio module

E-RM 30 is not sending any data and it is not possible to chcek radio modules availability and functionallity

with radio reading unit.

It is also possible to do an activation by chapter 5.3.1. Switch a radio module to the working mode.

4.3. WORKING MODE

Radio module in working mode measures consumption of water, transmits the data in regular intervals,

actualizes real time and test state of electronic seal.

4.4. ERROR MODE

Radio module is switched to error mode when date of billing period beginning is wrong, RAM memory

content is invalid or error occurs when saving data to flash memory. Module does not scan disc position

(does not measure water consumption), does not transmit measured data does not test state od electronic

seal. It only actualizes real time.

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E-RM 30

Installation and service manual M2016/09f[EN]

5. WORK WITH A RADIO MODULE

5.1. INSTALLATION E-RM 30 TO THE WATER METER

1. Check the condition of the intended water meatier and its housing. If there is any damage or

contamination, clean or replace the meter.

2. Remove the cardboard plugs which are used to protect the E-RM 30 radio module's sensors during

transport. Retain the plugs for covering the sensors during any modes changes (5.3 Change of

operation mode).

3. Attach the radio module to the water meter using the snap-on lock and then seal it. It is

recommended that plastic or adhesive paper seals are used.

4. Activate the radio module depending on the required operating mode.

5.2. READING DATA, DEFINING PARAMETERS AND OPERATING MODES

Given that the radio module RM E-30 is not equipped with a display, it is possible to obtain basic information

about the active mode, the start date of the billing period, and electronic seals using infrared reading unit

IRU 10.00.

The IRU 10.00 displays information related to the last unit it has read. It is therefore necessary to carry out a

data reading from the radio module so that you can view the parameters and operating mode. During the

reading it is necessary to put on the viewing screen so as to avoid interference from ambient light sources.

The front of the meter reading head should be in contact with the plastic cover of the infrared reading diodes

inside the unit (e.g. Illustration 2: Data reading from E-RM 30 with IRU 10.00).

For more information about reading data, display parameters and operating mode, refer to the Installation

and service manual for the IRU 10.00.

5.3. CHANGE OF OPERATION MODE

Using the infrared reading unit, the IRU 10.00, it is possible to change the operating modes of the E-RM30.

In individual operating modes it is only possible to make certain changes (see table below). It is therefore

advisable to first check the current operating mode of the radio module (e.g. chapter 5.2. Reading data,

defining parameters and operating modes) and then change the mode.

8 / 17

Illustration 2: Data reading rom E-RM 30 with IRU 10.00

E-RM 30

Installation and service manual M2016/09f[EN]

Act al operation mode Modes to which the mod le can be switched

Sleeping mode Mode of automatic activation

Working mode

Mode of automatic activation Sleeping mode

Working mode

Working mode Slepping mode

Error mode -

Warning!

If changing the operating mode req ires removal of the radio mod le from the water meter (or

changing the water meter), the light sensors in the nit sho ld not be exposed to nnecessary light.

It is therefore advisable to cover the sensors with the sensor pl gs s pplied for transport.

5.3.1. Switch a radio module to the working mode

Switching the radio module into working mode is possible from sleep mode and mode of automatic

activation. The radio module must be mounted to a water meter due to the detection of reflective targets. The

E-RM 30 should also be assured against the movement of mechanical seals.

1. On the meter reading unit, when spare capacity is displayed (for e ample, 494) switch to the

submenu by pressing and holding the button until --A-- is displayed.

2. On the meter reading unit, in the submenu, select "Pro" and hold down the button until --A-- is

displayed.

3. Readiness of the IRU10.00 is indicated by -PrE-. Place the readout head onto the infrared viewing

port of the E-RM 30 and press the button briefly. Ongoing communication is indicated by IP on the

viewing screen.

4. A successful mode change is indicated by a single beep and the display showing o. Pro .

5. An unsuccessful mode change is indicated by four beeps and the display showing E. Pro.

For more informations, refer to the Installation and service manual for the IRU 10.00.

5.3.2. Switch a radio module to the mode of automatic activation

Switching the radio module to mode of automatic activation is only possible from sleeping mode. The radio

module must not be attached to a water meter and the optical sensors should be covered (see above).

Warning!

When the radio mod le is changed from sleeping mode to mode of a tomatic activation whilst

attached to a water meter, do not let it r n dry after activation by a 5 litre thro gh-flow. In that case,

remove the nit from the water meter, re-attach it to the water meter and reactivate with a 5 litre

thro gh-flow.

1. On the meter reading unit, when spare capacity is displayed (for e ample, 494) switch to the

submenu by pressing and holding the button until --A-- is displayed.

2. On the meter reading unit, in the submenu, select "rAA" and hold down the button until --A-- is

displayed. --A--.

3. Readiness of the IRU10.00 is indicated by -PrE-. Place the readout head onto the infrared viewing

port of the E-RM 30 and press the button briefly. Ongoing communication is indicated by IP on the

viewing screen.

4. A successful mode change is indicated by a single beep and the display showing o. rAA.

5. An unsuccessful mode change is indicated by four beeps and the display showing E. rAA.

For more informations, refer to the Installation and service manual for the IRU 10.00.

9 / 17

E-RM 30

Installation and service manual M2016/09f[EN]

5.3.3. Switch a radio module to the slee ing mode

Switching the radio module into sleeping mode is possible from operating mode and mode of automatic

activation. The radio module must not be attached to a water meter and the optical sensors should be

covered (see above). In the vent of a change from operating mode, there will also be a reach of the

electronic seal.

1. On the meter reading unit, when spare capacity is displayed (for e ample, 494) switch to the

submenu by pressing and holding the button until --A-- is displayed.

2. On the meter reading unit, in the submenu, select "uPr" and hold down the button until --A-- is

displayed. --A--.

3. Readiness of the IRU10.00 is indicated by -PrE-. Place the readout head onto the infrared viewing

port of the E-RM 30 and press the button briefly. Ongoing communication is indicated by IP on the

viewing screen.

4. A successful mode change is indicated by a single beep and the display showing o. uPr.

5. An unsuccessful mode change is indicated by four beeps and the display showing E. uPr.

For more informations, refer to the Installation and service manual for the IRU 10.00.

5.4. ELECTRONIC SEAL REACTIVATION

Reactivation of electronic seal is possible to do by following steps:

1. Remote radio module (if is still installed on water meter). Radio module is now in working mode and

has broken electronic seal.

2. Cover optical sensors with black cover used during module trasportation.

3. Switch a radio module to the sleeping mode with an infra-red reading unit IRU 10.00 e.g. kapitola

5.3.3. Switch a radio module to the sleeping mode.

4. Activate a radio module in one of twou following steps. During an installation, electreonic seal will be

reactivated.

•Switch a radio module to the mode of automatic activation with an infra-red reading unit IRU

10.00 (chapter 5.3.2. Switch a radio module to the mode of automatic activation), install the radio

module to the water meter, seal it and activate it by 5 liters flow.

•Install the radio module to the water meter, seal it and switch a radio module to the working

mode with infra-red reading unit IRU 10.00 (chapter 5.3.1. Switch a radio module to the working

mode).

5. Radio module is now in a working mode and electronic seal is activated and unbroken.

6. OTHER INFORMATIONS

6.1. TRANSPORTING

E-RM 30 radio modules can be transported under following conditions:

•devices ca be transported by all usual covered means of transport

•devices must be in original package

•originally packed devices must be stored and secured to avoid mechanical damages during

transportation

•devices can not be transported together with aggressive substances

•temperature during transportation from 0 °C to + 55 °C

•relative humidity from 45 % to 75 %

6.2. STORAGE

Radio module E-RM 30 is electrical davice and can be stored under these conditions:

10 / 17

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