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Limited Warranty

Microfl ex,  LLC  warrants  this  unit  against  defects  in  materials  and  workmanship  for  a 

period of one year from the date of shipment.  Microfl ex, LLC will, at its option, repair or 

replace equipment that proves to be defective during the warranty period.  This warranty 

includes parts and labor.

A  Return  Materials  Authorization  (RMA)  number  must  be  obtained  from  the  factory 

and clearly marked on the outside of the package before equipment will be accepted for 

warranty work.

Microfl ex, LLC believes that the information in this manual is accurate.  In the event that 

a typographical or technical error exist, Microfl ex, LLC reserves the right to make changes 

without prior notice to holders of this edition.  The reader should consult Microfl ex, LLC 

if any errors are suspected.  In no event should Microfl ex, LLC be liable for any damages 

arising out of or related to this document or the information contained in it.

EXCEPT AS SPECIFIED HEREIN, MICROFLEX, LLC MAKES NO WARRANTIES OR 

MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.  CUSTOMER’S 

RIGHT TO RECOVER DAMAGES CAUSED BY FAULT OR NEGLIGENCE ON THE 

PART  OF  MICROFLEX  SHALL  BE  LIMITED TO THE AMOUNT THERETOFORE 

PAID  BY  THE  CUSTOMER.    MICROFLEX,  LLC  WILL  NOT  BE  LIABLE  FOR 

DAMAGES  RESULTING  FROM  LOSS  OF  DATA,  PROFITS,  USE  OF  PRODUCTS, 

OR INCIDENTAL OR CONSEQUENTIAL DAMAGES, EVEN IF ADVISED OF THE 

POSSIBILITIES THEREOF.  This limitation of the liability of Microfl ex, LLC will apply 

regardless of the form of action, whether in contract or tort, including negligence.  Any 

action against Microfl ex, LLC must be brought within one year after the cause of action 

accrues.  The warranty provided herein does not cover damages, defects, malfunctions, or 

service failures caused by owners failure to follow Microfl ex, LLC’s installation, operation, 

or maintenance instructions; owners modifi cation of the product; owner’s abuse, misuse, or 

negligent acts; and power failure or surges, fi re, fl ood, accident, actions of third parties, or 

other events outside reasonable control.

Micro

fl

 ex, LLC

35900 Royal Road
Pattison, Texas 77423
USA

The HART protocol is supported by the HART Communications Foundation in Austin Texas, 
www.hartcomm.org.  HART is a registered trademark of the HART Communications Foundation.

Phone 281-855-9639
Fax 832-422-4391
www.micro

fl

 x.com

Summary of Contents for 101-0019

Page 1: ...232 port to your software Switching between receive and transmit is automatically controlled so RTS Request To Send is not needed maximizing software compatibility Power for the converter is taken from the USB port eliminating the need for an external converter power supply It includes high ESD protection 15kV HBM on transceiver high com mon mode transient immunity 30kV μs plus 2500VRMS transforme...

Page 2: ...en prompts The CD will auto run this file if the Windows Autorun feature is enabled for your CD drive The setup exe is a utility that will determine your operating system and run the correct installer Click the Install RS 485 Converter USB drivers button to pre install the drivers The driver installer will guide you through the setup process Installers can also be run manually from the CD using x86...

Page 3: ... converter must be set to use the same COM port number To find the number as signed to your converter run the setup utility from the CD and click Find my Converter s COM port number The assigned COM port number can also be found using the Windows Device Manager You may need to expand the Device Manager tree under Ports COM and LPT to see the converter Uninstalling the USB Driver Use the Windows Dev...

Page 4: ...o see which port the converter is assigned to In the example shown below the converter is as signed to COM3 Right click on USB RS485 Serial Converter and select Properties from the pop up menu On the Port Settings tab click Advanced Drop down the COM Port Number list and select the desired port number Click OK to use the new port number and close the window Click OK again to close the Properties w...

Page 5: ...r from the rail Connecting to the RS 485 Bus Connect the converter to the RS 485 bus using the A B and G Connect the G terminal to the RS 485 bus ground or shield The G ground is galvonically isolated from the converters USB ground A and B are the noninverting and inverting RS 485 transceivers The converter does not inlcude an internal bus terminating resister RS 485 bus ses typically require a te...

Page 6: ...ated Immunity EN 61000 4 3 2002 Safety Compliance EN 60950 1 2002 This device does not have protection from over voltages which may exist on USB ports of computers and relies on the protection existing in a host computer This device is not intended for connection to the phone line through the appropriate converters and shall not be connected to telecommunication lines because it has no protection ...

Page 7: ...ve Voltage 0 2V Receiver Input Hysteresis 25 mV Typ Receiver Input Resistance 96KΩ 125KΩ Typ Galvanic Isolation 2500VRMS Surge Protection 600W Silicone Avalanche Diodes Does not include RS 485 termination resistor Auto transmit control RTS is not needed Power Up Down glitch free permits live insertion or removal High common mode transient immunity 30kv us 2500VRMS Galvanic isolation 7 bit no parit...

Page 8: ... S RIGHT TO RECOVER DAMAGES CAUSED BY FAULT OR NEGLIGENCE ON THE PART OF MICROFLEX SHALL BE LIMITED TO THE AMOUNT THERETOFORE PAID BY THE CUSTOMER MICROFLEX LLC WILL NOT BE LIABLE FOR DAMAGES RESULTING FROM LOSS OF DATA PROFITS USE OF PRODUCTS OR INCIDENTAL OR CONSEQUENTIAL DAMAGES EVEN IF ADVISED OF THE POSSIBILITIES THEREOF This limitation of the liability of Microflex LLC will apply regardless o...

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