Advantech PCI-1784 specifications Quadrature encoder input, Single ended Outputs Encoder

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Quadrature encoder input

Single ended

outputs of

Encoder

A B I

CHnA+

CHnB+

CHnZ+

PCI-1784 connector

GND

EGND

A+

A-

Differential B+ outputs of B- Encoder or I+I- Line driver

GND

CHnA+

CHnA-

CHnB+

CHnB-

CHnZ+

CHnZ-

PCI-1784 connector

EGND

PULSE

DIR

Pulse/Direction

Counter

CHnA+

CHnB+

PCI-1784 connector

GND

EGND

Figure 3-3: Quadrature encoder input connections

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Contents Page Page Contents Appendix D. Operation Encoder Interface FeaturesIntroduction Flexible Digital Output function CountersDigital Input and Interrupts Special Shielded Cable for Noise ReductionBoard ID Installation Guide ApplicationsInstallation Flow Chart Register-level Programming Software OverviewDevice Drivers Device Drivers Programming Roadmap Programming ToolsTroubleshooting Device Drivers Error Programming with Device Drivers Function LibraryWiring Boards AccessoriesWiring Cable Installation UnpackingPage Driver Installation Setup Screen of Advantech Automation SoftwareHardware Installation Select the Individual Drivers optionPage Device name listed on the Device Manager Device Setup & Configuration Board selectionSetting Up and configure the device ‘Setup’ dialog boxOperation dialog box Overview Signal ConnectionsSwitch and Jumper Settings Names of Jumpers Function descriptionBoard ID setting SW1 Pin Assignment Signal ConnectionsConnector Signal Description Quadrature encoder input Single ended Outputs EncoderQuadrature encoder up/down counter input connections Isolated digital input Isolated digital outputEncoder Output Appendix A. SpecificationsTimer General InterruptCounter Latch Appendix B. Block Diagram ADDRESS, Control and Data BUSPage Appendix C. Register Structure and Format I/O Port Address MapTable C-1 PCI-1784 register format Part + HEX1CH Clock Control Counter 0/1/2/3 mode BASE+00/04/08/0CH Table C-2 PCI-1784 Register for counter 0/1/2/3 modeDI0 Counter 0/1/2/3 latch data BASE+00/04/08/0CH Table C-3 PCI-1784 Register for counter 0/1/2/3 latch dataCounter 0/1/2/3 compare data BASE+10/14/18/1CH Table C-4 PCI-1784 Register for counter 0/1/2/3 compare dataInterrupt control register BASE+20H Table C-5 PCI-1784 Register for interrupt controlInterrupt status register BASE+20H Table C-6 PCI-1784 Register for interrupt statusClear Interrupt BASE+24H Table C-7 PCI-1784 Register for clock controlTable C-8 PCI-1784 Register for clear interrupt Software latch BASE+28H Table C-9 PCI-1784 Register for software latchBoard ID BASE+28H Table C-10 PCI-1784 Board ID dataReset counter BASE+2CH Table C-11 PCI-1784 Register for reset counterDigital output BASE+30H Table C-12 PCI-1784 Register for digital outputDigital input/output BASE+30H Table C-13 PCI-1784 Register for digital input/outputPage Appendix D. Operation Quadrature encoder introductionCounter modes Mode Maximum input rate 8MHz 4MHz 2MHz 1MHzQuadrature input counter mode Single-ended vs. differential inputDisabled mode Pulse modePulse/direction mode Digital noise filterLatch Latch modeClock frequency Maximum width Index latchCounter reset value Timer functionInterrupt function