Spectrum-controls 1771sc-IFE32 Manual do Utilizador Página 9

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Contents
Preface................................................................................................................................................................v
Important User Information............................................................................................................................v
Using This Manual ...........................................................................................................................................v
Chapter 1 Overview of the Analog Input Module......................................................................................1
Module Description ...............................................................................................................................................................1
Features .................................................................................................................................................................................1
Program Selectable Input Ranges .......................................................................................................................................... 2
How Analog Modules Communicate with Programmable Controllers ...................................................................................2
Accuracy ............................................................................................................................................................................... 3
Chapter Summary ...................................................................................................................................................................3
Chapter 2 Installing the Input Module ........................................................................................................5
Power Requirements: ............................................................................................................................................................. 6
Locating the Module in the I/O Chassis ................................................................................................................................ 7
Key the Backplane Connector ............................................................................................................................................... 7
Wiring Your Analog Module ..................................................................................................................................................7
To minimize ground-loop currents on input circuits: ............................................................................................................. 8
Cable Lengths ........................................................................................................................................................................8
Grounding ............................................................................................................................................................................ 11
Indicator Lights:................................................................................................................................................................... 11
Chapter Summary ................................................................................................................................................................. 12
Chapter 3 Module Programming ................................................................................................................13
Block Transfer Programming ................................................................................................................................................ 13
Module Scan Time ............................................................................................................................................................... 15
Chapter Summary ................................................................................................................................................................. 15
Chapter 4 Configuring Your Module ..........................................................................................................17
Configuring your input module:........................................................................................................................................... 17
Block Transfer Write (BTW) Maps ...................................................................................................................................... 17
Configuration Word ............................................................................................................................................................. 18
Input Range Selection.......................................................................................................................................................... 18
Data Format: ......................................................................................................................................................................... 20
Digital Filtering:.................................................................................................................................................................... 20
Automatic System Calibration ............................................................................................................................................. 21
(Autocal) .............................................................................................................................................................................. 21
Debug Flags ......................................................................................................................................................................... 21
Real Time Sampling: ............................................................................................................................................................. 23
Scale Word Configuration Bits ............................................................................................................................................ 25
Default Configuration: ......................................................................................................................................................... 25
Chapter Summary ................................................................................................................................................................. 26
Chapter 5 Module Status and Input Data .................................................................................................27
Reading Data from Your Module ......................................................................................................................................... 27
Block Transfer Read (BTR) Maps ........................................................................................................................................ 27
Module Data BTR ................................................................................................................................................................ 27
Module Data/Configuration Echo BTR................................................................................................................................ 28
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