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CONEL CDA 70 [10/43] Cda70 modem description
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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 modem CDA70:
Circuit example of the PC with
modem CDA70:
• the cable KD2 is connected to serial PC port (example COM1)
Modem CDA70
PWR
CIO
PORT3
PORT2
PORT1 ETH
Cable KD-2
Pin 1 – RTS
Pin 2 – CTS
Pin 3 – DTR
Pin 4 – DSR
Pin 5 – GND
Pin 6 – RXD
Pin 7 – CD
Pin 8 – TXD
Modem CDA70
Meter
GND
RXD
TXD
Содержание
- Declared system iso 9001 2009 1
- Contents 2
- Contents 3
- Symbols used 3
- Safety instructions 4
- Cda70 modem description 5
- Description of individual components 5
- Description of the cda70 radio modem 5
- Examples of possible applications 5
- General 5
- Radio component 5
- Cda70 modem description 6
- Inputs and outputs for telemetry 6
- Microcomputer 6
- Modem component 6
- Cda70 modem description 7
- User interface protocols 7
- Cda70 modem description 8
- Technical parameters 8
- Cda70 modem description 9
- Radio modem status indication 9
- User interfaces connectors 9
- Cda70 modem description 10
- Connection of port1 port2 and port3 connectors rs232 10
- Modem cda7 10
- Cda70 modem description 11
- Connection of port1 connectors m bus 11
- Modem cda7 11
- The converter must have external power supply because of galvanic separated 11
- Cda70 modem description 12
- Connection of port2 connectors rs485g 12
- External or internal power supply of expansion port m bus it is can evoke by wiring of the jumper for details see chapter 2 12
- M bus data cable more than 10 m it is need to use over voltage protection on cda 70 modem side 12
- The converter must have external power supply because of galvanic separated 12
- 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 of the jumpers for details see chapter 2 13
- Cda70 modem description 13
- Circuit example of the meter with modem cda70 with data length less than 10 m 13
- Circuit example of the meter with modem cda70 with data length more than 10 m 13
- Modem cda70 13
- Cda70 modem description 14
- Connection of eth connectors ethernet 14
- Connection of i o connector 14
- To equipment with etherne 14
- Cda70 modem description 16
- Power supply connector pwdd 16
- Cda70 modem description 17
- Antenna connection 18
- Cda70 modem description 18
- Power supply 18
- Cda70 modem description 19
- Ports technical specifications 19
- Cda70 modem description 20
- Cda70 modem description 21
- Cda70 modem description 22
- Configuration of radio modem 22
- Service cable 22
- Accessories 23
- Additional accessories 23
- Cda70 modem description 23
- Cda70 modem description 24
- Mechanical drawing of cda70 and recommendations for montage 24
- Cda70 modem description 25
- Cda70 modem description 26
- Cda70 modem description 27
- Product marking 27
- Cda70 modem description 30
- Product label 30
- Basic parameters description 31
- Cda70 modem description 31
- Cda70 modem description 32
- Cda70 modem description 33
- Cda70 modem description 34
- Analogue input 35
- Binary output 35
- Cio analogue inputs and binary outputs 35
- Cio description 35
- Description of multi purpose signal evaluation and reception 35
- I o signals inside cda70 35
- Introduction 35
- Cio description 36
- I o signals parameters 36
- Measuring internal cda70 temperature 36
- Measuring other cda70 signals 36
- Measuring the supply voltage 36
- Cio description 37
- Connecting cio signals to user device 37
- Measuring dsr output signal level 37
- Output signal for disconnection of supply voltage 37
- Technical parameters 37
- Cio description 38
- Links to related products of the manufacturer 39
- Product disposal informations 39
- Products 39
- Protocols 39
- Reference 39
- Reference and links 39
- Software 39
- Systems 39
- Complaints procedure 40
- Complaints procedure 41
- Warranty 42
- Warranty 43
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