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LMG MkII
Signal Processor
User Guide
1
Introduction
1.1 About this Guide
This guide gives you all the information necessary for you to safely install
and operate a Landmark Graphic MkII signal processor (LMG MkII).
It covers the electrical and mechanical installation, touchscreen displays and
menu system, explains the signal processing and mathematical functionality
available, and details the serial communications protocol.
There is also a section on upgrading from a LAND System 4 Landmark
Graphic Processor (LMG).
Electronic copies of this User Guide can be obtained from the LAND website
www.ametek-land.com
.
1.2 About the Processor
The LMG MkII signal processor is designed to be used in conjunction with
AMETEK Land infrared thermometers. It has been designed as an upgrade
from an original LMG and contains many of the same features.
The processor features include:
•
Large, clear, bright full colour LCD touchscreen with wide viewing angle
•
Easy to use configuration menu system, with security code, context-
sensitive help display and ‘Quick Key’ selection of the most commonly
changed parameters
•
Language choice for the display text
•
Multi-channel for use with up to four connected thermometers
•
A choice of time function processing options for each thermometer input
•
Current and voltage retransmission output for SCADA connections
•
Mathematical computation of multi-thermometer algorithms, including
background compensation
•
+24 V dc Power input (separate DIN rail power supply for mains inputs)
•
Serial communications as standard in RS 485 format
•
A front panel cover which provides sealing to IP65 standards
Fig. 1-1 Landmark Graphic MkII Signal Processor
Summary of Contents for LMG MkII
Page 6: ...INTRODUCTION 1 ...
Page 10: ...INSTALLING THE PROCESSOR 2 ...
Page 14: ...User Guide 2 4 Signal Processor LMG MkII Fig 2 4 LMG MkII Electrical System Overview ...
Page 22: ...3 USING THE PROCESSOR ...
Page 44: ...TIME FUNCTION PROCESSING 4 ...
Page 50: ...SERIAL COMMUNICATIONS 5 ...
Page 62: ...Signal Processor LMG MkII Blank ...
Page 63: ...EXTERNAL I O MATHS FUNCTIONS 6 ...
Page 64: ...Signal Processor LMG MkII Screws A Fig 6 1 Location of screws on back panel Screws A ...
Page 88: ...MAINTENANCE 7 ...
Page 92: ...User Guide 7 4 Signal Processor LMG MkII Fig 7 3 USB Export Data option ...