Table of Contents
Advertisement
User Guide
1
Introduction
1.1 About this guide
This guide gives the information necessary for you to operate a Landmark
for Profibus Signal Processor. Information regarding installation is contained
within the Installation Guide.
1.2 About the Landmark for Profibus Processor
The Landmark for Profibus Signal Processor provides an accurate signal
processing unit for a single LAND System 4 thermometer on a master-slave
Profibus DP network. The Landmark for Profibus processor can be set and
run entirely from the Profibus DP master. Profibus DP has three states in it's
normal operating cycle:
1)
User Parameterisation
2)
Configuration
3)
Data Exchange
1.2.1 User Parameterisation
In 'User Parameterisation', a one-off download of the operating parameters of
the processor is carried out, including:
•
Emissivity / Non Greyness
•
Averager, Peak Picker and Track and Hold for signal processing
•
Alarm levels
•
Scaling of the current output re-transmission of the thermometer signal
1.2.2 Configuration
In 'Configuration', it allows for the arrangement of continuous reading and
writing of cyclic data, including:
•
Temperature
•
Status
•
User Parameters can also be overwritten
1.2.3 Data Exchange
In 'Data Exchange', the configuration I/O parameters are actually and
cyclically exchanged between 'master' and 'slave'.
Landmark for Profibus
Page 1
Advertisement
Table of Contents
