High power radio transmission module MR03 type User's manual
Contents
1. Port Port komunikacyjny COM El Device ID Baud rate 2 Ei Mode RTUENI Timeout 1000 ms 1 C Use the factory settings of the module Status connected am Device nieznane ih Fig 6 Configuraiton parameters of MRO3 module 13 Select device Filter All O Transducers C Meters C Controllers C RF modules Name MROS NSOH N300 N3OP ND10 ND20 REZO Fig 7 MROS selection from the device list Configure After choosing the MRO3 device from the list the parameters configura tion can be done Serial port parameters Fig 8 baud rate 1200 115200 bit s transimission mode 8N1 8N2 8E1 801 MROS configuration str BN B Serial port settings Baud rate 9600 ha Mode RTU 8N1 Fig 8 Save Settings of serial port Radio port parameters Fig 9 module operating mode 3 transmission channels 3 power levels MRO3 configuration 2f gt Serial port settings Radio interface settings Transmitter power Carrier wave frequency Mode Source group address Target group address Address of the remote radio module 0 27 dBm y 869 525 v Point Point gt 255 0 255 0 0 255 Jo lo s5 Save Fig 9 Settings of radio port 4 1 3 List of errors displayed in the system window In the Miscellaneous of configuration software one can read the status of errors and perform reset operation2. for the operational use place 16 5 ACCESSORIES The standard MRO3 module is equipped with a stub antenna with SMA connector In order to increase the range it is recommended to use a directional antenna in according to the table 4 1 0929 300 010 B Antenna Wire 10m 10 elements Connector SMA Frequency range MHz 850 960 Gain dB 13 5 F B Ratio dB 26 Polarization Type Vertical Number of elements 10 Input Impedance Q 50 Weight kg 0 7 Lenght m 0 7 Beamwidth H o 32 BeamwidthV o 34 17 18 0929 300 014 Antenna 20 elements Wire 10m Connector SMA Frequency range MHz 850 960 Gain dB 16 5 F B Ratio dB 26 Polarization Type Vertical Number of elements 20 Input Impedance Q 50 Weigth kg 0 9 Lenght m 1 7 Beamwidth H o 25 Beamwidth V o 26 6 TECHNICAL DATA Serial port e RS 232 RS 485 interface data format baud rate 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 Receive buffer size Maximal delay time of transmission by a pair of MR03 modules 8N1 8N2 8E1 801 1200 115200 bit s 869 425 MHz 869 450 MHz 869 475 MHz 869 500 MHz 869 525 MHz 869 550 MHz 869 575 MHz 869 600 MHz 869 625 MHz 20 dBm 25 d
3. to the RS 485 bus Caution Because of electromagnetic interference one must use shielded wires to connect signals of the RS 485 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 MN 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 There should be a switch or a circuit breaker in the building installation This element should be situated near the device easy accessible for the operator It should be marked as the instrument switching the device off 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 apply the general principle that wires group of wires leading different signals should be led
4. 6 seconds occure 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 ECon program to the module set allows the user to configure the MRO3 radio module in an easy and simple way 12 4 1 1 Installation of the configuration program on a PC The installation relies on copying ECon program files from the added CD to the module set After installing the program will launch the default browser with the site configuration 4 1 2 Procedure of MRO3 module configuration 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 configuration program connect with PC s COM port baud rate 9600 b s mode 8N1 and choose the appropriate type of the radio module see fig 6 7 In case of device absence one must update the firmware Communication
5. Bm 27 dBm gt 103 dBm 2400 bit s 2000 m 3 50 Q SMA lt 2s 255 B 3 s when transmitting 250 B data 19 Power absorbed by the module lt 9 VA Rated operating conditions supply voltage 8 30Vd c 12 30 V a c 50 60 Hz ambient temperature 20 23 55 C relative air humidity lt 95 inadmissible condensation working position any Storage and transport conditions ZA ambient temperature 40 70 C relative air humidity lt 95 inadmissible condensation Ensured protection degree by the housing from the frontal housing side IP 54 from the terminal side IP 54 Dimensions 115 x 65 x 40 mm without the mounted antenna Weight 400 g Electromagnetic compatibility noise immunity ETSI EN 301 489 1 V1 8 1 2008 emission of radio noise ETSI EN 301 489 1 V1 8 1 2008 Safety requirements acc to EN 60215 standard installation category Il pollution degree 2 maximal voltage in relation to earth 50 V 20 7 MRO3 ORDER CODES MRO03 high power transmission module Version standard 00 custom made XX Acceptance tests without an extra quality inspection certificate 0 with an extra quality inspection certificate acc to user s agreement X after agreeing by the manufacturer CODING EXAMPLE The MR03 00 1 code means 00 MRO3 module in standard version 1 with a quality inspection certificate 21 8 MAINTENANCE AND WAR
6. High power radio transmission module MRO3 type User s manual C E CONTENTS LAPPELIGATION essen ae eee 5 2 MR03 MODULE SET 6 SIN STRECANON een 6 3 1 Module asseMbly ocooooocccccooccccccnocononnnccnnnnnncononnnacononnnos 6 3 2 Connection diagrams ooococccccconocccnccccnonoconnnononancnnnnnnonancnnnnnos T 3 3 Connection way with devices ooocccccccoooocccnccccnooconnnnos 9 3 4 Requirements for lead connections 111 10 4 PRINCIPLE OF OPERATION OF MRO3 MODULE 11 4 1 First start of MR03 module 1 12 4 1 1 Installation of the configuration program on a PC 13 4 1 2 Procedure of the MRO3 module configuration 13 4 1 3 List of displayed errors in the systemic window 15 4 1 4 Prescription concerning radio transmission or sending receiving devices which can be used without permission lt a 16 5 ACCESSORIES oro innne i AEO sai AO eia aea 17 6 TECHNICAL DATA u a 19 ORDER CODES 1 ee ee ee 21 8 MAINTENANCE AND WARRANTY _ 2 11112 22 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 transmission in the radio channel in the non licensed band 869 40 869 65 MHZ with the output powe
7. RANTY 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 22 23 LUMEL LUMEL S A ul Stubicka 1 65 127 Zielona Gora Poland tel 48 68 45 75 100 exchange fax 48 68 45 75 508 e mail lumelQlumel com pl http www lumel com pl Export Department Tel 48 68 45 75 302 or 304 Fax 48 68 325 40 91 e mail exportQlumel com pl MRO3 09C
8. 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 e Taking into consideration electromagnetic interference one must use shielded wires to connect RS 485 interface signals The shield must be connected to the protective terminal in a single point The supply must be connected by two wire cable with a suitable cross section ensuring its protection by means of a cut out 10 4 PRINCIPLE OF MR03 MODULE OPERATION The MRO3 radio transmission module enables the radio com munication of devices equipped in an RS 232 or RS 485 serial port and USB converter into RS 232 or RS 485 e g PD10 or PD12 type The communication with RS 232 or RS 485 interface can be carried out at rates from 1200 bits to 115 2 kbits The radio transmission is realized in the shape of data packa ges The module allows to transmit data of maximal length 256 bytes The data transmission is carried out in following way data bits are col lected from the serial port and are rewritten to the reception buffer After an appropriate time time out from the transmission end placed data in the buffer are prepared to be transmitted on radio links In order to transmit data frames are created the structure of which depends on the selected working mode The radio module can work in the transparent or package mode multipoint mode data are sent from one module and are received by all
9. is user s manual mean WARNING N Warning of 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 A N 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 94 Fixing hole S e I N CO 00 Fixing hole AI al PUN Fig 2 Assembly drawing 3 2 Electrical connections of MRO3 module AN The supply and external signals must be c
10. modules being in the range or in the point to point mode where data are sent to a define device In transparent mode the data aren t buffered but sent directly to the radio interface in packets of 60 bytes Due to the lack of buffering and packaging the continuity of the data will be not maintain and the spacing between the blocks of data can range up to 150 ms In package mode multipoint point to point sent data is preceded by a special header 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 trans mitted packages and their transmission to the output buffer of the serial interface The reception module verifies the CRC checksum of the he ading 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 interface If a CRC error is discovered the package is not re ceived In the case of point to point working mode data originating from the same sender are transmitted in the serial interface By the multipoint operating mode the group address is checked and the data from the current group of devices are received 11 The current module work state is signaled by lighting diodes RxD and TxD diode
11. onnected in compliance with the drawing 3 and table 1 in which the assignment of individual leads of the MRO3 module are described Fig 3 Description of MRO3 leads Description of MRO3 module leads Table 1 Terminal description 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 Line A of the RS 485 interface Description of MRO3 module diodes Table 2 Marking Description Module supply Reception of radio data Emision of radio data Reception of data from the serial port Emission of data to the serial port Description of jumper ZW1 configuration Table 3 Description Short circuit switching of a substring for line A Short circuit switching of a substring for line B Short circuit switching of a 150 termination for line A B 3 3 Connection way with devices The connection way of the MRO3 module to RS 232 or RS 485 interfa ces is presented on fig 4 and 5 Fig 4 Connection way of the MRO3 module to the RS 232 bus e A CO N GND LO 53 o fe Fig 5 lt 0 2 Connection way of MRO3 module
12. or restore the default parameters Fig 10 MRO3 configuration ye 59 Sorial port settings gt Radio interface settings Miscellaneous Restart the device Manufacturer parameters Module address Error writing to fram block 1 Error writing to fram block 2 Error writing to the RF module Error writing detault parameters Error reading from fram block 1 Error reading from fram block 2 Restart Restore Status Refresh Fig 10 View of the status and reset buttons and the default settings 15 4 1 4 Prescription concerning radio transmission or sending receiving devices which can be used without permission 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 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 ordinances proper
13. r 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 e transparent e multipoint e point to point allow the creation of an extensive network of radio modules to fit the needs application requirements Necessary parameter changes to the correct module work are carried out by means of the added configuration program ECon An exemplary MRO3 module application is presented on the fig 1 2x input 4 20 mA CPCLLLLLLAL ALEA LIAIAA 2x output 4 20 mA MR03 MRO3 KD7 Fig 1 Example of remote readout of data between KD7 recorder and analog input module type SM1 using MROS 5 2 MRO3 MODULE SET The set of the MRO3 module is composed of MRO3 module 1 pc Stub antenna with SMA connector 1 pc Antenna wire with SMA connector 1 pc MRO3 user s manual 1 pc warranty card 1 pc mini CD with software and user s manual 1 pe 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 th
14. s signals the flow of data through the serial interface however RxRF and TxRF diodes signal the flow od data through the transmission radio channel The configuration program takes advantage of one of the accessible computer serial port and the module MRO3 The configuration is carried out by means of the ECon configuration pro gram The configuration program uses one of the available computer s serial ports Configuration can be done via RS 232 and RS 485 interfa ces of MRO3 module 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 expecta tion 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 Restart from the configuration program The module restart in the standard mode with new settings The module is configured by the manufacturer to operate in the serial port with the rate 9600 bit s in the 8N1 mode in multipoint mode and group address 255 Default module parameters can be restored without the use of the con figuration program For this aim one must press the SW1 push and hol ding it pressed for 6 seconds After
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