User Manual

About this document
5
Building Technologies
A6V10316242_a_en
CPS Fire Safety
31.05.2019
About this document
Purpose
This manual is intended as a guide to the Modbus interface provided by the
NK823x Gateway for the fire control units of FS20/FS720/STT20 families. The
manual presents the application-level information of this interface indicating the fire
objects mapping and describes the corresponding Modbus registry structure and
the applicable Modbus functions.
Important: It is assumed that readers of this document are familiar with the
Modbus protocol and data communication in general.
Scope
This document applies to the Modbus Interface gateway NK823x MP4.81.
Target audience
This documentation is intended for the following users:
 Project Managers
 Project Engineers
It is assumed that individuals performing the operations described in this manual
have prior expertise and training in the field of safety and security, at least a
moderate level of familiarity with the Siemens Building Technologies product line,
and experience with the installation, configuration, and commissioning of security
management systems.
Documentation resource information
The DMS8000 Documentation Resource Information and Glossary Guide
assembles 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:
https://step.bt.siemens.com/portal/StandardAssetPortal
1. In the Simple Search column on the left, set:
– Search Text: Enter the document number to search for (for example
A6V10089056 ) or type part of the document name.
– Asset Type: All
2. Click Search to start.