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Contents

1.  GENERAL INFORMATION..................................................................................................................................................................... 3

1.1.  WARRANTED INFORMATION...................................................................................................................................................... 3
1.2.  GENERAL CONDITIONS FOR SAFE USE................................................................................................................................... 3
1.3.  CE LABEL...................................................................................................................................................................................... 3
1.4.  ENVIRONMENTAL PRESERVATION........................................................................................................................................... 3
1.5.  SERVICE AND MAINTENANCE.................................................................................................................................................... 3
1.6.  PACK CONTENTS......................................................................................................................................................................... 3

2.  PRODUCT INFORMATION.................................................................................................................................................................... 3

2.1.  PROPERTIES................................................................................................................................................................................ 3
2.2.  DESCRIPTION............................................................................................................................................................................... 4
2.3.  CURRENT LOOP TRANSMITTER AND RECEIVER....................................................................................................................4
2.4.  ISOLATION.................................................................................................................................................................................... 5

3.  INSTALLATION...................................................................................................................................................................................... 5

3.1.  EXAMPLE CONNECTION OF DEVICES WITH CLO INTERFACE..............................................................................................5

3.1.1.  CONNECTION OF ONE DEVICE......................................................................................................................................... 5
3.1.2.  CONNECTION OF SEVERAL DEVICES..............................................................................................................................6

3.2.  EXAMPLE CONNECTION OF DEVICE WITH RS232 INTERFACE.............................................................................................6

3.2.1.  CONNECTION OF DEVICES WITH RS232 PORT - DTE TYPE (COMPUTER)..................................................................6
3.2.2.  CONNECTION OF DEVICES WITH RS232 PORT - DCE TYPE (MODEM)........................................................................7

3.3.  POWER SUPPLY CONNECTION................................................................................................................................................. 7

4.  ACTIVATION.......................................................................................................................................................................................... 7

4.1.  SENSITIVITY SETTING OF CLO CURRENT LOOP RECEIVER.................................................................................................7

5.  PIN DESCRIPTION OF DSUB-9F.......................................................................................................................................................... 8
6.  VERSIONS............................................................................................................................................................................................. 8
7.  SPECIFICATION.................................................................................................................................................................................... 9

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ADA-1028L

Summary of Contents for ADA-1028L

Page 1: ...User manual ADA 1028L RS232 to Current Loop 2 wire CLO Converter 1 io_ada 1028l_v 1 11_en ADA 1028L Copyright 2001 2020 CEL MAR sp j...

Page 2: ...LATION 5 3 INSTALLATION 5 3 1 EXAMPLE CONNECTION OF DEVICES WITH CLO INTERFACE 5 3 1 1 CONNECTION OF ONE DEVICE 5 3 1 2 CONNECTION OF SEVERAL DEVICES 6 3 2 EXAMPLE CONNECTION OF DEVICE WITH RS232 INTE...

Page 3: ...omplete disable from the supply network is only after disconnecting the power supply circuit voltage Do not carry out the assembly or dis assembly of the device if it is enabled This may result to sho...

Page 4: ...interface of converter from CLO interface and protects devices connected to the RS232 interface from surges generated on line CLO and power circuit The converter has an internal low energy surge prot...

Page 5: ...cted to the earthing on one end of the cable arrange signal cables in the distance not shorter than 25 cm from powering cables 3 1 EXAMPLE CONNECTION OF DEVICES WITH CLO INTERFACE To connect the to Cu...

Page 6: ...example is shown below Fig 5 ADA 1028L connection to RS 232 port of computer 6 ADA 1028L CLO CLO V V Vss Vss CLO NC Rd CLO CLO CLO Energy meter no 4 with passive CLO CLO CLO Energy meter no 1 with pas...

Page 7: ...ion of Current Loop transmitter circuit When data is present the LEDs Tx and Rx should blinking LED Description PWR Signalling of Power Supply RX Signalling of data receiving through ADA 1028L convert...

Page 8: ...vice readiness to receiving data Connected with CTS inside ADA 1028L 9 RI Ring Indicator Not connected 6 VERSIONS ADA 1028L Order example Prod symbol ADA 1028L 1 1 1 A 2 3 1 standard electronic versio...

Page 9: ...CLO Electrical Parameters Power requirements 10 24 30 V DC Power Cable Recommended length of power cable up to 3m Power 2W Protection from reverse power polarization YES Galvanic Isolation 1kV or 3kV...

Page 10: ...10 ADA 1028L...

Page 11: ...11 ADA 1028L...

Page 12: ...ta transmission converters with interface RS232 RS485 RS422 USB Current Loop Fibre Optic Converters and Ethernet or Wi Fi Please contact us to tell how you like our products and how we can satisfy you...

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