R200 Analog Input Module 2MLF-AV8A, AC8A User's Guide ix
September 2010 Honeywell
Contents
1. INTRODUCTION .......................................................................... 15
1.1 Overview ........................................................................................................ 15
1.2 Features ......................................................................................................... 15
1.3 Terminology ................................................................................................... 17
Analog value- A .................................................................................................................... 17
Digital value - D .................................................................................................................... 17
Characteristics of A/D conversion ........................................................................................ 19
2. SPECIFICATIONS ........................................................................ 21
2.1 Performance specifications ......................................................................... 21
2.2 Part names and functions ............................................................................ 24
2.3 Characteristics of I/O conversion ................................................................ 26
I/O characteristics of 2MLF-AV8A ........................................................................................ 27
I/O characteristics of 2MLF-AC8A ........................................................................................ 33
Accuracy .............................................................................................................................. 38
2.4 Functions ....................................................................................................... 39
Functions of the input module .............................................................................................. 39
Sampling process ................................................................................................................. 40
Filter process ........................................................................................................................ 40
Average process .................................................................................................................. 42
Function to detect input signal failure/disconnect ................................................................. 44
3. INSTALLATION AND WIRING .................................................... 47
3.1 Installation ..................................................................................................... 47
Installation environment ....................................................................................................... 47
Handling precautions ........................................................................................................... 48
3.2 Wiring ............................................................................................................. 49
Precautions for wiring ........................................................................................................... 49
Wiring examples ................................................................................................................... 49
4. OPERATING PROCEDURES AND MONITORING ..................... 53
4.1 Operating procedures ................................................................................... 53
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