Quadrature encoder input | Advantech PCI-1784 instruction

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

22

Image 26

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

Contents

Page Page Contents Appendix D. Operation Encoder Interface FeaturesIntroduction Flexible Digital Output function CountersDigital Input and Interrupts Special Shielded Cable for Noise Reduction Board ID Installation Guide Applications Installation Flow Chart Register-level Programming Software OverviewDevice Drivers Device Drivers Programming Roadmap Programming Tools Troubleshooting Device Drivers Error Programming with Device Drivers Function Library Wiring Boards AccessoriesWiring Cable 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 Overview Signal ConnectionsSwitch and Jumper Settings Names of Jumpers Function description Board ID setting SW1 Pin Assignment Signal ConnectionsConnector Signal Description Quadrature encoder input Single ended Outputs Encoder Quadrature encoder up/down counter input connections Isolated digital input Isolated digital output Encoder 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 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 Counter modes Mode Maximum input rate 8MHz 4MHz 2MHz 1MHzQuadrature input counter mode Single-ended vs. differential input Disabled mode Pulse modePulse/direction mode Digital noise filter Latch Latch modeClock frequency Maximum width Index latch Counter reset value Timer function Interrupt function