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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 

ADA-1028L  

converter is covered by a two year warranty from date of sale.   The warranty does not cover damage caused from

improper use, materials consumption or any unauthorized changes. If the product does not function (is damaged), or not operate in
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 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 delivered with purchased converter.

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-1028L 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

ADA-1028L converter, user manual,  CE declaration, resistors: Rd 220

/ 0,25W (1pcs.) i 120

/ 0,25W (1pcs.).

2. PRODUCT INFORMATION

2.1. PROPERTIES

Operating on 2-wire network standard of 0-20mA Current Loop CLO,

RX and TX signals conversion of RS232 interface,

Connection up to 4 devices on Current Loop CLO network,

Baud rate up to 19,2 kbps,

Transparency for all protocols (half duplex transmission): MODBUS, DNP and other,

Power supply 10 - 30 VDC stable, 2W,

2,5kV= optoisolation in signal channel between RS232 and Current Loop interface,

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 circuit,

Protection against power supply reverse connection,

Casing compatible with DIN 43880 standard– mounting in typical electro-installation,

Rail mounting according to DIN35 / TS35 standard,

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

3

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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