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User manual

ADA-1020

RS-232 to Current Loop converter

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io_ada-1020_v3.26_en

Copyright © 2001-2020 CEL-MAR sp.j.

ADA-1020

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Summary of Contents for ADA-1020

Page 1: ...User manual ADA 1020 RS 232 to Current Loop converter 1 io_ada 1020_v3 26_en Copyright 2001 2020 CEL MAR sp j ADA 1020...

Page 2: ...PORT DTE TYPE COMPUTER 6 3 2 2 CONNECTION OF DEVICES WITH RS232 PORT DCE TYPE MODEM 6 3 3 CONNECTION OF THE CURRENT LOOP INTERFACE DEVICES 7 3 3 1 CONNECTION OF THE CURRENT LOOP LINE TO ADA 1020 CONVE...

Page 3: ...he 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 short circuit and damage...

Page 4: ...nsmitter of Current Loop 0 20mA can work as ACTIVE or Passive the selection is made by the TX switch on the front panel see Fig 1 The passive transmitter can be used only for creation of current loop...

Page 5: ...le of adequate cross section due to voltage drops for converter powering not supply converter from power circuit device that generates large impulse interference such as transmitters contactors 3 1 AS...

Page 6: ...e is shown below Fig 6 DCE type connection of ADA 1020 to device with RS232 interface eg modem 6 ADA 1020 RxD 2 TxD 3 DTR 4 DSR 6 RTS 7 CTS 8 PC SG 5 RS232 DTE DB 9M ADA 1020 Current Loop Vss Vss Powe...

Page 7: ...ple connection of two ADA 1020 together The line length less than 500m 7 ADA 1020 Current Loop Line 2 pair twisted ADA 1020 Current Loop Vss Vss Power Supply RS232 DCE DB 9F CTS 7 RTS 8 GND 5 Vss Vss...

Page 8: ...232 INTERFACE DEVICES TO CURRENT LOOP BUS In this case example the Current Loop bus is created by one ADA 1020 converter MASTER active transmitter and one ADA 1020 converter SLAVE active transmitter t...

Page 9: ...urrent loop receiver of overvoltage arising Current Loop bus The number of the SLAVE converters can be less for long lines Example of connection is shown below 9 ADA 1020 GND RS232 Current Loop Bus MA...

Page 10: ...roperly green LED PWR on front panel of converter should light if not check polarization of power connection and if RX red LED is lighted check the correctness of connection of the Current Loop transm...

Page 11: ...VERSIONS ADA 1020 Order example Product Symbol ADA 1020 1 1 2 3 1 Current Loop Voltage 24VDC 1 Current Loop Type 20mA 2 1kV galvanic isolation 3 cover without inlets plug in screw terminal block Power...

Page 12: ...ssion of disruptions according to the standard PN EN 55022 Safety requiring According to the PN EN60950 norm Environment Commercial and light industrial Environmental Parameters Operating temperature...

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