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LOVE CONTROLS 

DIVISION

DWYER INSTRUMENTS, INC.   

Phone: 219/879-8000

www.love-controls.com

P.O. BOX 373 • MICHIGAN CITY, INDIANA 46361, U.S.A.     Fax: 219/872-9057

e-mail: [email protected]

©Copyright 2007 Dwyer Instruments, Inc.

9/07

FR# R5-443583-00 Rev.1

LED MODES

1. Green LED indicates unit is powered.
2. Yellow LED to indicate that data is being transferred.

USB DRIVER INSTALLATION

NOTE: Do NOT connect MN-1 to PC before extracting the
driver file.

1. Insert the factory supplied CD into the CD drive of your

computer. If the CD does not start automatically, click 
“Start”, “Run” & type D:/autorun.exe then click “OK”.

2. Follow the on screen instructions to prepare for 

installation of the driver.

3. A folder marked SiLabs should now appear in the PC’s 

C drive.

4. Connect the MN-1 to PC and installation instructions 

will automatically appear.

5. Follow the on-screen instructions to complete the 

driver installation. 

MAINTENANCE

Upon final installation of the Model MN-1 Mini-Node USB to
RS 485 Converter, no routine maintenance is required. A
periodic check of system calibration is recommended. The
Model MN-1 is not field serviceable and should be returned
if repair is needed (field repair should not be attempted and
may void warranty). Be sure to include a brief description of
the problem plus any relevant application notes. Contact
customer service to receive a return goods authorization
number before shipping.

E-90-MN-1  9/27/07  12:29 PM  Page 2

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