Safety regulations 
5 
Building Technologies   048_DMS_NK8237_ICC_MP4.40_A6V10316241_a_en.doc
Fire Safety & Security Products    06.2011
 
About this document 
 
Purpose 
This document is a guide to the installation, configuration and commissioning of the 
NK8237 Modbus gateway for FS20/FS720 fire detection systems. It includes an 
overview of the system, hardware requirements and limitations, and detailed instal-
lation and configuration instructions. 
This guide is to be used in conjunction with the Composer Technical Manual (doc-
ument no. A6V10062401). For implementing the Modbus interface, you will also 
need to refer to the NK8237 Modbus Interface Specifications (document no. 
A6V10316242). 
Scope 
This document applies to the Modbus Interface gateway NK8237 MP4.40. 
Target audience 
This documentation is intended for the following users: 
 Project Managers 
 Project Engineers 
 Commissioning Personnel 
Documentation resource information 
The DMS8000 Documentation Resource Information and Glossary Guide assem-
bles important information regarding documentation resources. This document 
contains the following: 
 Comprehensive definitions of the target audiences for Siemens FS DMS 
documents 
 Training program information including the Siemens intranet link 
 A complete list of all available DMS8000 documents 
 Instructions for how to obtain a document via the Siemens intranet using the 
Siemens Asset Portal 
 A map of relevant documents for each target audience group 
 Customer Support links & resources 
 A glossary containing definitions of all terms and acronyms used in DMS8000 
documentation 
To access the DMS8000 Documentation Resource Information and Glossary 
Guide (document no. A6V10089056), go to the link and follow the document 
search instructions below: 
http://assetportal.bt.siemens.com/portal/i
ndex.html 
 
1.  In the Search column on the left, set: 
 Segment: 04 Fire -3F 
 Document Type: All 
 Image Type: All 
 Advanced search criterias: Select Brochure No. and enter the document 
number to search for (e.g. A6V10062415). Alternatively, select Title and enter 
the product name (e.g. MM8000). 
2. Click Search to start.