
Rosemount™ 936
WinHost Configuration and Diagnostic Software
Reference Manual
00809-0200-4036, Rev AA
April 2022

Legal notice
The Rosemount system described in this document is the property of Emerson.
No part of the hardware, software, or documentation may be reproduced, transmitted, transcribed, stored in a retrieval system,
or translated into any language or computer language in any form or by any means without prior written permission of Emerson.
While great efforts have been made to ensure the accuracy and clarity of this document, Emerson assumes no responsibility
resulting from any omissions in this document or from misuse of the information obtained herein. The information in this
document has been carefully checked and is believed to be entirely reliable with all the necessary information included. Emerson
does not assume any liability arising out of the application or any use of any product or circuit described herein; neither does it
convey license under its patent rights or the rights of others.
WARNING
All individuals who have or will have responsibility for using, maintaining, or servicing the product must read this manual
thoroughly.
WARNING
Physical access
Unauthorized personnel may potentially cause significant damage to and/or misconfiguration of end users’ equipment. This could
be intentional or unintentional and needs to be protected against.
Physical security is an important part of any security program and fundamental to protecting your system. Restrict physical access
by unauthorized personnel to protect end users’ assets. This is true for all systems used within the facility.
NOTICE
The source and detector are not field-repairable due to the meticulous alignment and calibration of the sensors and the respective
circuits.
Do not attempt to modify or repair the internal circuits or change their settings, as this will impair the system's performance and
void the Emerson product warranty.
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Reference Manual Contents
00809-0200-4036 April 2022
Contents
Chapter 1 Product overview.......................................................................................................5
1.1 Software overview....................................................................................................................... 5
1.2 Minimal requirements................................................................................................................. 5
1.3 Standard......................................................................................................................................5
Chapter 2 Installation.................................................................................................................7
2.1 Installing WinHost software......................................................................................................... 7
Chapter 3 Getting started...........................................................................................................9
3.1 Connecting the detector to the computer................................................................................... 9
3.2 Establish the COM port.............................................................................................................. 10
3.3 Run WinHost............................................................................................................................. 12
Chapter 4 Operating WinHost..................................................................................................13
4.1 Main window............................................................................................................................. 13
4.2 Setup table window................................................................................................................... 17
4.3 Set a new address...................................................................................................................... 18
4.4 Maintenance window.................................................................................................................19
4.5 Check signals-to-noise...............................................................................................................21
4.6 View micro software version...................................................................................................... 21
4.7 Log detector event.................................................................................................................... 21
4.8 View log file............................................................................................................................... 23
4.9 View WinHost software version................................................................................................. 24
Chapter 5 Maintaining detector............................................................................................... 25
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Contents Reference Manual
April 2022 00809-0200-4036
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Reference Manual Product overview
00809-0200-4036 April 2022
1 Product overview
The Rosemount™ 936 WinHost is communication software for the Rosemount 936
detector. The program displays information (such as status, gain, address, signals, and
LEL) and makes it possible to change the detector’s configuration.
1.1 Software overview
The Rosemount 936 WinHost software makes it possible to:
• Communicate with Rosemount 936 gas detectors
• Read status and parameters from the detector
• Record relevant detector data to a log file (S/N.txt)
• Calibrate the detector
1.2 Minimal requirements
Following requirements are the minimum for operating this software:
• Pentium® 3 GHz
• Windows XP,7,8, or 10
• 2 GB of RAM
• 10 GB hard disk free space
• Isolated RS-485 Interface Card to be defined as COM1, COM2, COM3, or COM4; or
RS-232/RS-485 converter to connect to standard COM port
1.3 Standard
EIA 485:
•
Electrical characteristics of enhanced Voltage Digital Interface Circuits.
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Product overview Reference Manual
April 2022 00809-0200-4036
6 Emerson.com/Rosemount

Reference Manual Installation
00809-0200-4036 April 2022
2 Installation
2.1 Installing WinHost software
To load your computer with the Rosemount 935 WinHost configuration and diagnostic
software:
Procedure
1. Copy the Rosemount 936 Winhost installation files into the correct drive.
2. Start the Rosemount 936 WinHost software installation by running the setup.exe
file.
3. Follow the installation instructions.
4. Connect the detector unit to the RS-485 communications port (see Connecting the
detector to the computer).
5. Start the Rosemount 936 WinHost software with the specified COM port number as
a parameter (see Establish the COM port).
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Installation Reference Manual
April 2022 00809-0200-4036
8 Emerson.com/Rosemount