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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 two-years

warranty on parts and operation.

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 

CEL-MAR Company

  gives two years guarantee on the  

ADA-4021 converter.

   The warranty does not cover damage caused from

improper use, materials consumption or any unauthorized changes. If the product does not function accordance with the instructions
will be repaired. 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 disassembly 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

ADA-4021 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 and  resistors: Rt=120

W

 (2 pcs).

2. PRODUCT INFORMATION

2.1. PROPERTIES

Operating on 4-wire network in Current Loop standard

Operating 2-wire or 4-wire network in RS485 / RS422 standard,

Possibility of connection up to 32 devices on RS485 / RS422 network

Baud rate up to 38,4 kbps,

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

Power supply 10 - 30 VDC stable,

~3kV= optoizolation in signal channel between RS485/422 and Current Loop interface,

1kV= or 3kV= galvanic isolation between RS485/422 interface and power supply,

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

Automatic control of transmitter/receiver of RS485 network,

Screw terminal block connectors for all connections,

Integrated short circuit protection and over-voltage protection on RS485/422 lines,

Integrated short circuit protection and over-voltage protection on Current Loop lines,

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-4021

Summary of Contents for ADA-4021

Page 1: ...User manual ADA 4021 RS 485 RS 422 to Current Loop Converter 1 io_ada 4021_v0 13_en ADA 4021 Copyright 2001 2017 CEL MAR sp j...

Page 2: ...ION TO RS485 BUS 6 3 3 1 4 WIRE CONNECTION 6 3 3 2 2 WIRE CONNECTION 6 3 3 3 LINE TERMINATION 6 3 4 CONNECTION TO CURRENT LOOP DEVICE 7 3 4 1 CONNECTION TO DEVICE WITH PASSIVE TRANSMITTER PASSIVE RECE...

Page 3: ...g the power supply circuit voltage Do not carry out the assembly or disassembly of the device if it is enabled This may result to short circuit and damage the device The device can not be used for app...

Page 4: ...tion of telephone line for the lightning protection of lines Fig 1 View 2 3 CURRENT LOOP TRANSMITTER The Current Loop transmitter in the ADA 4021 was made as a passive 0 20mA having low energy short c...

Page 5: ...rcuit device that generates large impulse interference such as transmitters contactors 3 1 ASSEMBLING The ADA 4021 enclosure is adapted to assembly on TS 35 DIN35 rail To install converter should the...

Page 6: ...INE TERMINATION The application of Line Termination terminator Rt 120 W will reduce electrical reflection in data line at high baud rate It is not needed below 9600Bd should be used the Line Terminati...

Page 7: ...le connection of device with active transmitter and active receiver to ADA 4021 7 ADA 4021 ADA 4021 V V Power Tx Tx Rx Rx Current Loop Device I1 I1 I2 I2 Rx Current Loop connector Tx Tx Rx V V Tx B Rx...

Page 8: ...V terminal ADA 4021 has the protection from opposite connection power supply 4 CONFIGURATION The operating mode of the ADA 4021 converter is set by the use 6 position SW1 switch This switch is locate...

Page 9: ...connection was made properly green LED PWR on front panel of converter should light if not check polarization of power connection If the red LED RX is light check correctness of connection transmittin...

Page 10: ...ugh Current Loop interface Electrical Parameters Power requirements 10 24 30 V DC Power cable Recommended length of power cable 3m Power 2W Protection from reverse power polarization YES Galvanic isol...

Page 11: ...11 ADA 4021...

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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