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1. GENERAL INFORMATION

Thank you for your purchase of 

CEL-MAR Company

 product. This product has been completely tested and is covered by a two year

warranty on parts and operation from date of sale. 

If any questions or problems arise during installation or use of this product, please do not hesitate to contact Technical Support at +48

41 362-12-46 or e-mail support@cel-mar.pl.

1.1. WARRANTED INFORMATION 

The  

ADA-1020 converter  

is covered by a two year warranty from date of sale.   In case of being damaged it will be repair or the

damaged component will be replace. The warranty does not cover damage caused from improper use, materials consumption or any

unauthorized changes.
All warranty and no warranty repairs must be returned with paid transport and insuring to the 

CEL-MAR Company.

CEL-MAR Company 

under no circumstances won't be responsible for ensuing damage from improper using the product or as a result

of random causes: the lightning discharge, the flood, the fire and the like.

CEL-MAR Company

 is not be held responsible for damages and loss including: loss of profits, loss of data, pecuniary losses ensuing

from using or the impossibility of using this product.
In specific cases

 CEL-MAR Company

 discontinue all warranties and in particular do not follow the user manual and do not accept

terms of warranty by the user.

1.2. GENERAL CONDITIONS FOR SAFE USE

The device should be installed in a safe and stable places (eg, electroinstallation cabinet), the powering cable should be arranged  so

as not to be exposed to trampling, attaching, or pulling out of the circuit. 

Do not put device on the wet surface.

Do not connect devices for nondescript powering sources,

Do not damage or crush powering wires.

Do not make connection with wet hands.

Do not adapt, open or make holes in casings of the device!

Do not immerse device in water or no other liquid.

Do not put the fire opened on device sources: candles, an oil lamps and the like.

Complete 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 short circuit and damage the device.

The device can not be used for applications that determine human life and health (eg. Medical). 

1.3. CE LABEL

The   CE   symbol   on   the   device   CEL-MAR   means   compatibility   with   electromagnetic   compatibility   Electromagnetic
Compatibility   Directive  

EMC   2014/30/WE.

  Declaration   of   Conformity  is   available   by   contact   with   Technical   Service

(email: support@cel-mar.pl; phone: +48 41 362-12-46).

1.4. ENVIRONMENTAL PRESERVATION

This sign on the device inform about putting expended device with other waste materials. Device should send to the

recycling. (In accordance with the act about the Electronic Appliance Expended from day 29 of July 2005)

1.5. SERVICE AND MAINTENANCE

The ADA-1020 converter does not require the servicing and maintenance.

Technical support is available at 48 41 362-12-46 in 8.00-16.00, from Monday to Friday or e-mail 

support@cel-mar.pl

.

1.6. PACK CONTENTS

The converter is delivered with the user manual.

2. PRODUCT INFORMATION

2.1. PROPERTIES

Operating on 4-wire network in the standard of the Current Loop ,

Baud rate up to 38,4 Kbps (dependent from the length of the line),

Transparent for all protocols: MODBUS, DNP, PROFIBUS and other,

Any format of byte defined with the specification of RS232 interface,

Current Loop 0-20mA or -20 - +20mA, active transmitter.

Power supply 10 - 30 VDC stable, 2W,

~3kV= optoisolation in signal channel between RS232 and Current Loop,

1kV= or 3kV= galvanic isolation between RS232 interface and power supply,

1kV= or 3kV= galvanic isolation between Current Loop interface and power supply,

Connection Current Loop network and power supply via screw terminal block,

Connection RS-232 network via Female DB9 connector,

Implemented short circuit protection and over-voltage protection on Current Loop network,

Protection against power supply reverse connection,

DIN 43880 standard - mounting in typical electro-installation unit,

Rail mounting according to DIN35 / TS35 standard,

Dimensions (W x D x H) 53mm x 62mm x 90mm.

3

ADA-1020

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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