Conel CDA 70 Operation & User’s Manual

Text of Conel CDA 70 User Guide:

• Conel CDA 70, CIO DESCRIPTION 37 3.3.3. Measuring DSR output signal level On CDA70 side, DSR signals on individual user interfaces are output signals. They are not internally controlled. Individual signals are connected via 1k8 ohms resistors to the 12V supply voltage (the same voltage as at the supply connector of CDA70). Due to the loading of DSR output by a 100 ohm resistor to the earth, the supply voltage on the output drops to 2V. CDA70 recognises the connection of the service cable and initiates the communication on this user interface using t

• Conel CDA 70, CDA70 MODEM DESCRIPTION 10 2.5.1. Connection of PORT1, PORT2 and PORT3 connectors (RS232) (RS232 – DCE – Data Communication Equipment) Pin number Signal mark Description Data flow direction 1 RTS Request To Send Input 2 CTS Clear To Send Output 3 DTR Data Terminal Ready Input 4 DSR Data Set Ready - connected to +12V through 1k8 Ohm resistor Output 5 GND GROUND - signal ground 6 RXD Receive Data Output 7 CD Carrier Detect Output 8 TXD Transmit Data Input Circuit example of the meter with mo

• Conel CDA 70, COMPLAINTS PROCEDURE 40 7. Complaints procedure Dear customer, The product you have purchased had passed manufacturer's tests and its functions had been checked by our technician before sale. In case any defect shows up during the guarantee period that prevents normal use we ask you to follow the Complaints procedure when registering your claim. To make a possible complaint procedure easier please make sure when taking over the product that your vendor has duly filled in all the relevant parts of the warranty, including date, seal and signature. This Complaints

• CDA70 MODEM DESCRIPTION 23 2.11. Accessories 1. Power supply connector for a power supply cable 2. Three RJ45 connectors to complete the data cable by snapping to the cable. 3. Compliance certificate 4. Complaint procedure 5. Warranty 2.12. Additional accessories 1. CIO-ReO-2 – expansion module with relay output 2. CIO-OpI-2 – expansion mo

• Conel CDA 70, COMPLAINTS PROCEDURE 41 3. The claim is deemed unsubstantiated when the defect is not found by the vendor processing the complaint or the defect is not covered by the guarantee under Article 3 of the procedure. 4. In case the claimed defect is not found and functionality is proven to the customer, the customer is obliged to pay demonstrable cost related to expert assessment of the claimed defect. 5. In case defect is found when processing the complaint that is not covered by the guarantee (extra-warranty repair), the vendor shall inform the customer and the c

• Conel CDA 70, CDA70 MODEM DESCRIPTION 16 2.5.6. Power supply connector (PWDD) Pin number Signal mark Description 1 +12V Positive pole of supply voltage 2 GND Negative pole of supply voltage 3 PWRSV Open collector output (Power Save) for controlling of supply voltage of the whole radio modem, see chapter 3.4 4 IN1 Input -power failure supervision. (Analogue input 0-16V) On the power supply connector it is possible to use the signal INAC (NAP230) for present AC voltage monitoring for power supply (it can b

• Conel CDA 70, CDA70 MODEM DESCRIPTION 8 2.3.6. Technical parameters Frequency band 143 – 174 MHz (CDA70V version) 403 – 470 MHz (CDA70U version) Adjustment of working frequency program setting Adjustment of working frequency of receiver and transmitter separate for each part Adjustment of channel spacing program setting 12,5; 25 kHz (CDA70V version) 12,5; 20; 25 kHz (CDA70U version) Output power program setting 0.5;1;2;3 W (CDA70V version) 0,01;0,05;0,1;0,25;0,5;1;2;3;4;5 W (CDA70U version) Receiver sensitivity for 10 dB SINAD <-111 dBm (12 dB SINAD) for channel 25/20 kHz <-117 dBm (12 dB SINAD) for channel 12,5 kHz Reception / transmission switching time <

• Conel CDA 70, CDA70 MODEM DESCRIPTION 17 Circuit example: DC supply DC supply with backup battery with present supply monitoring DC supply with backup battery without present supply monitoring Modem CDA70 DC + Pin 1 – +12V Pin 2 – GND Pin 3 – PWRSV Pin 4 – INAC Modem CDA70 DC + Pin 1 – +12V Pin 2 – GND Pin 3 – PWRSV Pin 4 – INAC Pin 1 – +12V Pin 2 – GND Pin 3 – PWRSV Pin 4 – INAC Modem CDA70 DC +

• Conel CDA 70, CDA70 MODEM DESCRIPTION 25 For compliance of EN 60439 - 1 + A1 specification it is necessary observe next assembly of the modem to the switch - board: • round antenna we recommend to observe a distance of 6 cm from cables and metal surfaces on every side according to the next picture due to the elimination of interference, while using an external antenna except for the switch-board it is necessary to fit a lightening conductor, • for single cables we recommend to bind the bunch according to the following picture, for this use we recommend:  length of the bunch (combination of power supply and data cables) can be maximum 1,5 m, if length of data cables exceed

• Conel CDA 70, CDA70 MODEM DESCRIPTION 32 Parameter name Set value range Parameter description RF channel protocol --- Information about used radio channel protocol. Relay station YES/NO Indicates relay property of this station. Only for automatic tables. Mobile station YES/NO When this parameter is set on YES, than this modem never works as relay station and sends data directly to destination stations (no relay) regardless of signal levels. Mobile station is intended for maintenance purposes in network. RF channel access type Collision/ Coll. Free When this parameter is set to COLLISION, than the modem listens on RF channel and sends data on

• CDA70 MODEM DESCRIPTION 5 2. Description of the CDA70 radio modem 2.1. General The CDA70 radio modem is a device for wireless data transmission. Communication between two radio modems is a simplex one and is carried out on a single frequency. Modems work in frequency band of 143 to 174 MHz (CDA70V) and 403 to 470 MHz (CDA70U). Transmission rate is 21.7 kbit/sec when using the FFSK

• Conel CDA 70, CDA70 MODEM DESCRIPTION 26 • sufficient space must be left before individual connectors for handling of cables, • for correct function of the modem we recommend to use in switch - board earth- bonding distribution frame for grounding of power supply of modem, data cables and antenna, • the circuit diagram of modem is on the following pictures.

• Conel CDA 70, CDA70 MODEM DESCRIPTION 7 outputs. With the equipment you may establish simple telemetry at low cost, without the use of industrial control automat. 2.3.5. User interface protocols For user interface, a range of standard protocols is implemented: • AT modem • PROFIBUS • M-BUS • MODBUS • Asynchronous transparent line • Transparent bus • Sauter • IWKA • SBUS • RADOM • RDS New protocols, currently not supported by the radio modem, can be implemented according to the customer's needs.

• Conel CDA 70, CDA70 MODEM DESCRIPTION 27 2.14. Product marking Marking Antenna connector Power supply Other CDA-70-XX-YY BNC +10,8 to 15,6 V DC CIO XX – frequency band U V 403 to 470 MHz 143 to 174 MHz YY – port configuration 3 4M E EM C 4 3x RS232 1x M-BUS + 1x RS485 + 1x RS232 1x Ethernet + 3 x RS232 1x Ethernet + 1x M-BUS + 1x RS485 + 1x RS232 1x CAN 1x RS232 + 2x RS485 Example: CDA-70-U-3 is radiomodem for band 403-470 MHz with 3x RS232.

• Conel CDA 70, CDA70 MODEM DESCRIPTION 22 2.9. Configuration of radio modem The Radwin configuration program [1] has been designed to set up the CDA70 radio data modem. The software is created for MS WINDOWS NT/98/ME/2000/XP/Vista platforms. See User manual - Radwin software for description of the software. A service cable is designated to connect the modem with a PC. After the service cable is connected to any of the three RS232 serial ports and the service SW runs on the connected PC, it is possible to execute not only all the needed radio mo

• Conel CDA 70, CIO DESCRIPTION 35 3. CIO - analogue inputs and binary outputs 3.1. Introduction CDA70 is equipped with a user interface (I/O) for scanning and processing of analogue signals and for controlling (setting) of binary signals. The user can use five adjustable inputs outputs, which are placed on the I/O connector at the back panel of the module. More about CIO 2 modules see [3]. 3.2. Description of multi-purpose signal evaluation and reception On the input/output, there are five signals, which can be processed and controlled by settings of th

• Conel CDA 70, CDA70 MODEM DESCRIPTION 31 2.17. Basic parameters description For monitoring of status, configuration and administration of the modem is RADWIN program [1]. In right under main menu is function list where is possible choice Configuration (Ctrl + F1). Next table describes parameters of the tap Basic. Ports description is depend on used protocol. Protocols description is possible to get from Conel Company. Parameter name Set value range Parameter description Serial number --- Modem serial number information. RF module type --- Radio module type information. Operating RF frequency 403,000 up to 470,000 MHz Defines which frequency the modems wil

• CDA70 MODEM DESCRIPTION 13 Circuit example of the meter with modem CDA70 with data length less than 10 m: Circuit example of the meter with modem CDA70 with data length more than 10 m: At RS485 data cable more than 10 m it is need to use over-voltage protection on CDA 70 modem side! External or internal power supply of expansion port RS485 it is can evoke by wiring

• CDA70 MODEM DESCRIPTION 19 2.8. Ports technical specifications • RS232 Name of product RS232 Power supply Internal .... Environment Operating temperature -20 .. +55 C Storage temperature -20 .. +85 C Standards Emission EN 55022/B Immunity ETS 300 342 Safety EN 60950 RS232 specifications (EN 1434) Max. operating bus current 15 mA Max. bit

• Conel CDA 70, CDA70 MODEM DESCRIPTION 6 2.3.2. Modem component The modem part converts digital bit flow from the microcomputer to the FFSK or GMSK analogue modulation, which is brought to the transmitter of the radio data module. And vice versa, it converts analogue signal from the receiver to digital bit flow to the microcomputer. The modem part is designed on the basis of a CML integrated circuit. 2.3.3. Microcomputer The base of the radio data modem controlling microcomputer is represented by a 32-bit processor with 1 MB of RAM, 512 kB of FLAS

• Conel CDA 70, CDA70 MODEM DESCRIPTION 20 Connection of the jumpers: • M-BUS Name of port M-BUS Power supply Voltage 10,8 .. 15,6 V Supply power Max. 30 W Environment Operating temperature -20 .. +55 C Storage temperature -20 .. +85 C Standards Emission EN 55022/B Immunity ETS 300 342 Safety EN 60950 M-Bus specifications (EN 1434) Max. devices (each 1,5 mA) 30 Max. operating bus current 60 mA Overload detection 100 mA Short circuit strength Permanent Bus voltage mark 36 .. 43 V Bus voltage space 24 .. 31 V Max. total cable length (300Bd, 200nF/km) 1000 m M-BUS port power supply for CDA-70-U(V)-4

• Conel CDA 70, CONTENTS 2 Contents 1. Safety instructions 4 2. Description of the CDA70 radio modem 5 2.1. General 5 2.2. Examples of possible applications 5 2.3. Description of individual components 5 2.3.1. Radio component 5 2.3.2. Modem component 6 2.3.3. Microcomputer 6 2.3.4. Inputs and outputs for telemetry 6 2.3.5. User interface protocols 7 2.3.6. Technical parameters 8 2.4. Radio modem status indication 9 2.5. User interfaces (connectors) 9 2.5.1. Connection of PORT1, PORT2 and PORT3 connectors (RS232) 10 2.5.2. Connect

• Conel CDA 70, REFERENCE AND LINKS 39 4. Reference [1] Conel s.r.o.: RADWIN Program for control AGNES, 2008 [2] Conel s.r.o.: Application CGU Server, 2004 [3] Conel s.r.o.: CIO 2 User’s guide, 2008 5. Links to related products of the manufacturer For related and referenced products and material, see the Conel website: www.conel.cz 5.1. Systems AGNES - a comprehensive communication system made by Conel. 5.2. Protocols ARNEP – Advanced Radio Network Protocol – one of AGNES protocols. 5.3. Software RADWIN - this software provides

• Conel CDA 70, WARRANTY 43 1 2 3 4 5 Date of complaint registration Complaint protocol number Date of reception of the device in repair shop Date of finished repair Number of repair sheet Warranty repair YES - NO YES - NO YES - NO YES - NO YES - NO New serial number of the device Notes Seal of the repair shop

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