CTI 2550 Installation and Operation Guide ix
TABLE OF CONTENTS
PREFACE .................................................................. v
USAGECONVENTIONS....................................................... vii
TABLEOFFIGURES ......................................................... xi
CHAPTER1. DESCRIPTION................................................... 1
1.1FrontPanelDescription................................................ 1
1.1.1ActiveLED ................................................. 1
1.1.2InputConnectorforChannels1-4................................. 2
1.1.3InputConnectorforChannels5-8................................. 2
1.2AsynchronousOperation ............................................... 2
1.3UnipolarorBipolarMode .............................................. 2
1.4VoltageorCurrentMode............................................... 2
1.5DigitalWordMap.................................................... 2
1.6AnalogtoDigitalConversion............................................ 3
1.6.1UnipolarModeConversion ..................................... 3
1.6.2BipolarModeConversion ...................................... 5
1.6.3ExampleConversion .......................................... 6
1.7EffectofOut-of-RangeInputSignals...................................... 7
1.8UsingtheModulewith20%Offset ....................................... 9
1.9Resolution.......................................................... 9
CHAPTER2. INSTALLATION ................................................ 11
2.1PlanningtheInstallation .............................................. 11
2.1.1 Calculating the I/O Base Power Budget . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
2.1.2InputSignalWiring .......................................... 11
2.2UnpackingtheModule................................................ 12
2.3ConfiguringtheModule............................................... 13
2.3.1 Selecting Voltage or Current Input Mode . . . . . . . . . . . . . . . . . . . . . . . . . . 13
2.3.2SelectingVoltageRange ...................................... 14
2.3.3 Selecting Unipolar or Bipolar Input Mode . . . . . . . . . . . . . . . . . . . . . . . . . 14
2.3.4SelectingDigitalFiltering...................................... 15
2.4InsertingtheModuleIntotheI/OBase.................................... 16
2.5WiringtheInputConnectors ........................................... 16
2.5.1 Connecting Voltage Input Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
2.5.2 Connecting Current Input Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
2.6InsertingtheScrewTerminalPlug ....................................... 17
2.7CheckingModuleOperation ........................................... 18
CHAPTER3. TROUBLESHOOTING............................................ 19
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