High power radio transmission module MR03 type User`s manual
Contents
1. Description of MRO3 module leads Terminal Terminal description Fig 3 Description of MRO3 leads Table 1 1 Supply line for d c current supply Supply line for d c current line supply Functional earthing line d c current supply TxD line of the RS 232 interface RxD line of the RS 232 interface GND line of the RS 232 RS 485 interface Line B of the RS 485 interface INIo An A Ph Line A of the RS 485 interface Description of MRO3 module diodes Table 2 Marking Description Colour PWR Module supply Green RxRF Reception of radio data Red TxRF Emision of radio data Green RxD Reception of data from the serial port Red TxD Emission of data to the serial port Green 3 3 Connection way with devices N The connection way of the MRO3 module to RS 232 or RS 485 interfa ces is presented on fig 4 and 5 co N CND TA 2 RxD PUE Jo O mw a Fig 4 A D Connection way of The MR03 O a suo module to the RS 232 bus o AE co e EJ a de Lo lt 4 WW 2 pa OL as lt m2 ey Connection way of MRO3 i module to the RS 485 bus Caution Because of electromagnetic interference one must use shielded wires to connect signals of the RS 42. potential hazardous situations Especially im portant One must acquaint with this before connecting the module The non observance of notices marked by these symbols can occasion severe injuries of the personnel and the damage of the module CAUTION Designates a general useful note If you observe it handling of the transducer is made easier One must take note of this when the instrument is working inconsistently to the expec tations Possible consequences if disregarded 3 1 Module assembly One can fix the module on a wall or a construction by means of a screw or glue without the lost of the tightness class IP54 The housing is made of a self extinguishing plastic The fixing of the module by means of a screw connection is carried out through fixing holes shown on the fig 2 The access to holes is possible after removing the upper part of the MRO3 module housing 6 pe Fixing hole 2 4 A J CST ae 2 Y or ut N Ti co co Fixing hole CO isi Fig 2 Assembly drawing 3 2 Electrical connections of MRO3 module N The supply and external signals must be connected in compliance with the drawing 3 and table 1 in which the assignment of individual leads of the MRO3 module are described GIGI DY 7
3. type from the Configuration menu what will cause the window opening fig 7 Next connect the radio module acc to the section 4 1 2 In further sequence bring about that the device will receive data origi nating from other radio modules The release of measuring readout is carried out through the Measurement push or by switching the conti nuous measurement function on fig 10 For this operating mode the signal power readout is performed every 3 seconds If data package is not received in the radio interface then the mea surement is not possible whereby we obtain information RSSI Lack fig 9 in the message window of the configuration program System messages Clear Selected port COM2 a Setting readout from the radio in the port COM2 Module addres 0001 RSSI Not available Readout OK Fig 9 Display way of the signal measurement lack received in the radio channel If data are received in the radio interface then the module after the package reception carries out the signal power measurement and after questioning by the configuration program sends the value to the PC computer The result is presented in the message window and in the graphic shape on the progress bar fig 10 After reading out the power value the radio module expects the succes sive package allowing the renewed measurement of the RSSI signal 15 System messages Readout ASSI RSSI 68
4. 85 interface The shield must be connected to the earthing terminal in one point The supply must be connected by a two wire cable of appropriate wire diameter It is recommended to use an additional protection in the shape of a fusible cut out 9 3 4 Requirements for lead connections Different interference sources practically occurring interact with the module in a continuous or pulsing way from the supply network side because of other device actions The level of this interference should be reduced to a value lower than the module fastness threshold first of all through the appropriate installation of the module in the object In order to obtain a full module resistance against elec tromagnetic interference in an environment of unknown interference level it is recommended to observe follo wing principles e do not supply the module from the network near devices producing high pulse interference e apply network filters for a group of modules servicing the same object e apply the general principle that wires group of wires leading different signals should be led in the highest possible distance between them not less than 50 cm and the crossover of such groups of wires made at a right angle 90 4 PRINCIPLE OF MRO3 MODULE OPERATION The MRO3 radio transmission module enables the radio communication of devices equipped in an RS 232 or RS 485 serial port and USB con verter into RS 232 or RS 485 e g PD10 or P
5. D12 type The communi cation with RS 232 or RS 485 interface can be carried out at rates from 4800 bits to 115 2 kbits The radio transmission is realized in the shape of data packages The module allows to transmit data of maximal length 1024 bytes The data transmission is carried out in following way data bits are collected from the serial port and are rewritten to the reception buffer After an appro priate time time out from the transmission end placed data in the buffer are prepared to be transmitted on radio links In order to transmit 10 data frames are created the structure of which depends on the selected working mode The radio module can work in the point to many points mode data are sent from one module and are received by all modules being in the range or in the point to point mode where data are sent to a define device Data of the package heading including necessary information for data exchange are additionally protected by CRC checksum Data received from the serial interface during the radio transmission are not protected by the checksum The reception of radio data consists on the reception of transmitted packages and their transmission to the out put buffer of the serial interface The reception module verifies the CRC checksum of the heading during the reception After the heading reception and verification of its contents in accordance to the set working mode data are sent in the serial in
6. High power radio transmission module MRO3 type User s manual CONTENTS 1 APPLICATION count 22er 3 2 MRO3 MODULE SET 0 0 0 cccceeceeceeeeeeeeeeeeeeeeeeeeeeeeeeaeeeeeeaneeeeeaees 4 S INSTALEATION 3 2 32 42 iia da 4 3 1 Module assembly 4 3 2 Connection diagrams ooooonoccconoccconoccccononcnconnononnn co nannncnnannns 5 3 3 Connection way with devices ooooooococinocccincocccccncccccnncccnannno 5 3 4 Requirements for lead connections 6 4 PRINCIPLE OF OPERATION OF MR03 MODULE 6 4 1 First start of MRO3 module ooooocooncoincconocococccnocononccnananannn 7 4 1 1 Installation of the configuration program on a PC 7 4 1 2 Procedure of the MRO3 module configuration sa 4 1 3 Way of the received power signal measurement RSSI 9 4 1 4 List of displayed errors in the systemic window 10 4 1 5 Prescription concerning radio transmission or sending receiving devices which can be used without permission cccccececeeeeeeteee tence canon rancia 11 5 TECHNICAL DATA 0 0000 cece eters tees tees seaeeesaeesneeteneeaes 12 G ORDER CODES cocinan atra Rp 13 7 MAINTENANCE AND WARRANTY oaeee 13 September 2007 1 APPLICATION The MRO3 high power radio transmission module is destined to change the information transmission medium from the cable transmission with RS 232 and RS 485 interface into a wireless trans
7. NG ANALOG and DIGITAL CLAMP ON METERS PROCESS and HOUSEHOLD CONTROLLERS CHART AND PAPERLESS RECORDERS POWER CONTROL UNITS and SOLID STATE RELAYS AUTOMOTIVE DASHBOARD INDICATORS 1 PHASE AND 3 PHASE WATT HOUR METERS NUMERICAL AND ALPHANUMERICAL LARGE SIZE DISPLAYS ACCESSORIES FOR MEASURING INSTRUMENTS SHUNTS AND MODULES MEASURING SYSTEMS ENERGY HEAT CONTROL CUSTOM MADE ELECTRONIC SUBASSEMBLIES ACC TO ORDERS WE ALSO OFFER OUR SERVICES IN THE PRODUCTION OF ALUMINIUM ALLOY PRESSURE CASTINGS m PRECISION ENGINEERING AND THERMOPLASTICS PARTS m PRESSURE CASTING DIES AND OTHER TOOLS m CUSTOM MADE ELECTRONIC SUB ASSEMBLIES QUALITY PROCEDURES According ISO 9001 and ISO 14001 international requirements All our instruments have CE mark For more information please write to or phone our Export Department LUMEL Lubuskie Zaktady Aparatow Elektrycznych LUMEL S A ul Sulechowska 1 65 022 Zielona Gora Poland tel 48 68 329 51 00 exchange fax 48 68 329 51 01 e mail Iumel lumel com pl Export Department http www lumel com pl Tel 48 68 329 53 02 or 53 04 Fax 48 68 325 40 91 e mail export lumel com pl
8. O3 ORDER CODES MRO3 high power transmission module Kind of version catalog 00 custom made XX Acceptance tests without an extra quality inspection certificate with an extra quality inspection certificate acc to user s agreement XN after agreeing by the manufacturer CODING EXAMPLE The MR03 00 7 code means 00 MRO3 module acc to the catalog 7 with a quality inspection certificate 19 7 MAINTENANCE AND WARRANTY The MRO3 high power radio transmission module does not require any periodical maintenance In case of some incorrect operations 1 In the period of 12 months from the date of purchase One should take the modul down from the installation and return it to the Manufacturer s Quality Control Dept If the unit has been used in compliance with the instructions the Manufacturer warrants to repair it free of charge 2 After the warranty period One should turn over the module to repair it in a certified service workshop The disassemby of the housing causes the cancellation of the granted warranty Our policy is one of continuous improvement and we reserve the right to make changes in design and specifications of any products as engineering advances or necessity requires and revise the above specifications without notice 20 21 22 23 SALES PROGRAMME MEASUREMENT DIGITAL and BARGRAPH PANEL METERS CONTROL MEASURING TRANSDUCERS ANALOG PANEL METERS DIN INSTRUMENTS RECORDI
9. dBm Readout OK Readout RSSI RSSI 68 dBm Readout OK 130 dBm L Measurement push Continuous measurement function Fig 10 Display way of the signal power level received in the radio channel 4 1 4 List of errors displayed in the system window List of errors MRO3Config program Table 3 Error message Error description Readout ERROR 01 Error of the programming confirming function Readout ERROR 02 Error of the configured device address Readout ERROR 03 Data error CRC error Write ERROR 11 Error of data write Write ERROR 12 Error of data write RS port ERROR 21 Error of serial interface for connection readout of all data from the module RS port ERROR 22 Error of serial interface for the setting of the serial port rate RS port ERROR 23 Error of serial interface for the setting of the operating mode RS port ERROR 24 Error of serial interface for the setting of the transmitter power RS port ERROR 25 Error of serial interface for the setting of the radio channel frequency RS port ERROR 26 Error of serial interface for the setting of the radio module operating mode RS port ERROR 27 Error of serial interface for the setting of the module address for the point to point mode RS port ERROR 28 Error of serial interface for the readout of the RSSI value RS port ERROR 29 Error of serial inter
10. dre System messages al0l xi Connect Read data Following options are accessible serial port options serial transmission rate 4800 115000 bit s serial transmission mode 8N1 8N2 8E1 801 7E1 701 radio port options module operating mode 5 transmission channels 4 power levels In order to restore default settings one must start the MRO3Config exe program and select the suitable radio module from the Configu ration menu fig 6 Next choose manufacturer s settings of the RF module from the Settings gt menu fig 8 MRO3 radio module configuration S0 10 x Settings Send default parameters to module onnect Read data Transmision mode Setting if radio module AF interface Setting of radio module operating mode Remote modul idre D D D 5 D System messages Clear al easurement dBm RSS mea 130 dBm Measurement Fig 8 selection of the default parameter setting function 14 Each setting change is registered in the message window of the MR 03Config exe program In case of a correct or erroneous operation of setting change an appropriate message is displayed in the message window 4 1 3 Way of the received power signal measurement RSSI In order to perform the signal measurement in the radio channel one must start the MRO3Config exe program and choose the suitable modu le radio
11. face for manufacturer s parameter settings Connection ERROR 31 No answer from the radio module 16 4 1 5 Prescription concerning radio transmission or sending receiving devices which can be used without permission In accordance with the ordinance of the Infrastructure Minister of the 6 th August 2002 The Journal of Law nr 138 item1162 defines the transmitter activity term The transmitter activity is defined by the transmitter activity coefficient we understand by that the proportional transmission time relation in one or many carrier frequencies to the device operation time in 1 hour period For the frequency of the MRO3 radio module 869 4 MHz 869 65 MHz a large transmission activity has been assigned It is the activity for which e The transmission efficiency coefficient is higher than 1 and lower than 10 e The maximal transmission connection time is equal 36 seconds e The minimal transmitter disconnection time is equal 3 6 seconds The conformity with the above ordinance must be obtained on the level of the transmitting receiving system The manufacturer does not be responsible for the use of radio mo dules inconsistently with the above ordinance on the Polish territo ry or with other ordinances proper for the operational use place 5 TECHNICAL DATA Serial port e RS 232 interface data format 8N1 8N2 8E1 801 7E1 701 baud rate 4800 115200 bit s e RS 485 in
12. ion In order to configure the MRO3 module one must connect it to the com puter serial port RS 232 RS 485 or USB converter e g PD10 or PD12 type acc to fig 4 and 5 and next switch the module supply on To intro duce the module in the expectation state to the configuration one must press and hold the SW1 push during three seconds till the lighting time of all diodes Next one must start the MRO3Config exe program and 12 choose the appropriate type of the radio module from the Configuration menu see fig 6 Exit Configuration Help Transmission settings Figurati F RO3 modules Fig 6 View of the main window of the MRO3 configuration program After opening the confirmation window one must select the serial port number and read out data from the module through the Connect read out data key fig 7 After the correct readout of settings all setting fields are unlocked In case of any connection loss configuration fields are locked The configuration program wri tes settings in the module after every change of optionally se lected options Fig 7 View of the window configuring the MRO3 module MRO3 radio module configuration 50 Settings Selection ofthe COM2 v comunication port r Setting if radio module RS interface n rS etting if radio module RF interface r Setting of radio module operating mode 0 0 0 E D Operating mode Remote module ad
13. mission in the radio channel in the non licensed band 869 4 869 65 MHZ with the output power 500 mW The module MRO3 finds application in telemetric system applications in which there is no technical possibilities to conduct a cable to connect de vices in a wired network In such cases the module is used as a bridge which partially will carry out the transmission through the radio way The maximal operation range of the MRO3 module is 1 5 km in average and depends on the terrain configuration and the applied antenna Accessible MRO3 working modes allow to the individual communication of MRO3 module pairs point to point mode and broadcasting commu nication point to many points mode Necessary parameter changes to the correct module work are carried out by means of the added confi guration program MRO3Config exe An exemplary MRO3 module application is presented on the fig 1 Lumel Control LS31 Fig 1 Exemplary remote readout of LS31 watt hour using the MRO3 module 5 2 MRO3 MODULE SET The set of the MRO3 module is composed of MRO3 module 1 pe Stub antenna with SMA connector 1 pe Antenna wire 1 pc MRO3 user s manual 1 pc warranty card 1 pc mini CD with software 1 pc When unpacking the module please check whether the type and execution code on the data plate correspond to the order 3 INSTALLATION Symbols located in this user s manual mean WARNING N Warning of
14. module restart in the standard mode with new settings 11 The module is configured by the manufacturer to operate in the serial port with the rate 9600 bit s in the 8N1 mode and point to many points mode Default module parameters can be restored without the use of the con figuration program For this aim one must 1 switch the module supply off 2 press the SW1 push and holding it pressed switch the module supply on 3 release the SW1 push after 6 sec after the time of a quick extinction and lighting of diodes and the automatic module reset what means the charge of new parameters 4 1 First start of the MRO3 module At the first start the MRO3 module requires the setting of following pa rameters module working mode signal power and channel number for the radio transmission Moreover it is indispensable to set serial port parameters rates and transmission mode The added MRO3Config exe program to the module set allows the user to configure the MRO3 radio module in an easy and simple way 4 1 1 Installation of the configuration program on a PC The installation relies on copying MRO3Config exe program files from the added CD to the module set into the catalog assigned by the user on the computer hard disk The program can be also started directly from the CD The MRO3Config exe program is destined to work on systemic plat forms Windows 2000 XP 4 1 2 Procedure of MRO3 module configurat
15. terface data format 8N1 8N2 8E1 801 7E1 701 baud rate 4800 115200 bit s 17 Radio channel carrier frequency power sensitivity of the receiver baud rate transmission range in a right line open area number of channels antenna output Time to obtain the operating readiness since the moment of supply connection Maximal delay time of transmission by a pair of MR03 modules Power absorbed by the module Rated operating conditions supply voltage ambient temperature relative air humidity working position 869 4 869 65 MHz 500 mW 250 mW 125 mW 40 mW gt 103 dBm 4800 bit s 1500 m 5 50 Q SMA 1 5 s when transmitting 512 B data lt 5 VA 8 30 V a c d c 20 23 55 C lt 95 inadmissible condensation any Storage and transport conditions ambient temperature relative air humidity Ensured protection degree by the housing from the frontal housing side from the terminal side Dimensions Weight 18 40 70 C lt 95 inadmissible condensation IP 54 IP 54 115 x 65 x 40 mm without the mounted antenna 400 g Housing self extinguishing Electromagnetic compatibility noise immunity EN 301 489 1 V1 2 1 p 7 118 emission of radio noise EN 301 489 1 V1 2 1 p 7 219 Safety requirements acc to EN 60215 standard installation category Ill pollution degree 2 maximal voltage in relation to earth 50V 6 MR
16. terface If a CRC error is discovered the package is not received In the case of point to point working mode data originating from the same sender are transmit ted in the serial interface The current module work state is signaled by lighting diodes RxD and TxD diodes signals the flow of data through the transmission radio channel If after the module supply switching on the lighting sequence of each module follows ended by the continuous lighting of the green PwR dio de then this atests about the initialization of the standard module work with a correct configuration The lighting of all diodes means that the module is in the expectation state before the configuration The confi guration is carried out by means of the MRO3Config exe configuration program The configuration program takes advantage of one of the ac cessible computer serial port and the module MRO3 To switch the MRO3 module in the configuration mode one must press during three seconds till the lighting of all diodes SW1 push on the plate and the place indicated on the fig 3 In that moment the MRO3 module breaks the normal work and transits to the expectation state for the connection with the configuration program and admits appropriate settings of its serial port 9600 8N1 After the configuration change one must make the module reset through the switching of the supply voltage off or by giving the command Reset the module from the configuration program The
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