Appendix D. Operation | Advantech PCI-1784 guide

C.10	SOFTWARE LATCH — BASE+28H	41
C.11	BOARD ID — BASE+28H	42
C.12	RESET COUNTER — BASE+2CH	43
C.13	DIGITAL OUTPUT — BASE+30H	44
C.14	DIGITAL INPUT/OUTPUT — BASE+30H	45
APPENDIX D. OPERATION		47
D.1	QUADRATURE ENCODER INTRODUCTION	47
D.2	COUNTER MODES	48
D.3	DIGITAL NOISE FILTER	49
D.4	LATCH MODE	50
D.5	COUNTER RESET VALUE	51
D.6	TIMER FUNCTION	51
D.7	INTERRUPT FUNCTION	52

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Advantech PCI-1784 specifications Appendix D. Operation

Contents

Page Page Contents Appendix D. Operation Introduction FeaturesEncoder Interface Counters Digital Input and InterruptsFlexible Digital Output function Special Shielded Cable for Noise Reduction Board ID Installation Guide Applications Installation Flow Chart Device Drivers Software OverviewRegister-level Programming Device Drivers Programming Roadmap Programming Tools Troubleshooting Device Drivers Error Programming with Device Drivers Function Library Wiring Cable AccessoriesWiring Boards Installation UnpackingPage Driver Installation Setup Screen of Advantech Automation Software Hardware Installation Select the Individual Drivers optionPage Device name listed on the Device Manager Device Setup & Configuration Board selection Setting Up and configure the device ‘Setup’ dialog box Operation dialog box Signal Connections Switch and Jumper SettingsOverview Names of Jumpers Function description Board ID setting SW1 Connector Signal Description Signal ConnectionsPin Assignment Quadrature encoder input Single ended Outputs Encoder Quadrature encoder up/down counter input connections Isolated digital input Isolated digital output Timer Appendix A. SpecificationsEncoder Output Counter Latch InterruptGeneral Appendix B. Block Diagram ADDRESS, Control and Data BUSPage Appendix C. Register Structure and Format I/O Port Address Map Table C-1 PCI-1784 register format Part + HEX 1CH 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 mode DI0 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 data Counter 0/1/2/3 compare data BASE+10/14/18/1CH Table C-4 PCI-1784 Register for counter 0/1/2/3 compare data Interrupt control register BASE+20H Table C-5 PCI-1784 Register for interrupt control Interrupt status register BASE+20H Table C-6 PCI-1784 Register for interrupt status Clear Interrupt BASE+24H Table C-7 PCI-1784 Register for clock control Table C-8 PCI-1784 Register for clear interrupt Software latch BASE+28H Table C-9 PCI-1784 Register for software latch Board ID BASE+28H Table C-10 PCI-1784 Board ID data Reset counter BASE+2CH Table C-11 PCI-1784 Register for reset counter Digital output BASE+30H Table C-12 PCI-1784 Register for digital output Digital input/output BASE+30H Table C-13 PCI-1784 Register for digital input/outputPage Appendix D. Operation Quadrature encoder introduction Mode Maximum input rate 8MHz 4MHz 2MHz 1MHz Quadrature input counter modeCounter modes Single-ended vs. differential input Pulse mode Pulse/direction modeDisabled mode Digital noise filter Latch mode Clock frequency Maximum widthLatch Index latch Counter reset value Timer function Interrupt function