Konica Minolta PCI-1712L user manual Analog Input Connections, Single-ended Channel Connections

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Chapter 3

3.3 Analog Input Connections

The PCI-1712/1712L supports either 16 single-ended or 8 differential analog inputs. Each individual input channel is software-selected.

Single-ended Channel Connections

The single-ended input configuration has only one signal wire for each channel, and the measured voltage (Vm) is the voltage of the wire as referenced against the common ground.

A signal source without a local ground is also called a “floating source”. It is fairly simple to connect a single-ended channel to a floating signal source. In this mode, the PCI-1712/1712L provides a reference ground for external floating signal sources.

Figure 3-2 shows a single-ended channel connection between a floating signal source and an input channel on the PCI-1712/1712L.

Figure 3-2: Single-ended input channel connection

Differential Channel Connections

The differential input channels operate with two signal wires for each channel, and the voltage difference between both signal wires is measured. On the PCI-1712/1712L, when all channels are configured to differential input, up to 8 analog channels are available.

If one side of the signal source is connected to a local ground, the signal source is ground-referenced. Therefore, the ground of the signal source and the ground of the card will not be exactly of the

PCI-1712/1712L User’s Manual

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Contents MS/s, 12-bit, 16-ch High- Speed Multifunction Card PCI-1712/1712L Quick Start Unpacking Device Installation Page Contents Calibration Appendix D. Register Structure and Format100 Figures Auto A/D Calibration Dialog Box I/O Connector Signal Description Part Corresponding Full Scale values for various InputTable D-1PCI-1712/1712L register format Part Table D-2 Table D-3100 101102 Page Features IntroductionPCI-Bus Mastering Data Transfer Plug-and-Play FunctionOn-board Fifo Memory Automatic Channel/Gain/SD*/BU* ScanningInstallation Guide On-board Programmable Multifunction Counter/TimerContinuous Analog Output Installation Flow Chart Accessories Wiring CableWiring Boards Chapter Installation UnpackingDriver Installation Setup Screen of Advantech Automation SoftwareHardware Installation Different options for Driver SetupChapter Device name listed on the Device Manager Device Setup & Configuration Setting Up the DeviceConfiguring the Device Devices Found dialog boxFor unipolar For bipolarDevice Testing Testing Analog Input FunctionTesting Analog Output Function PCI-1712 only Testing Digital Input FunctionTesting Digital Output Function Testing Counter Function14 Digital output tab on the Device Test dialog box Signal Connections I/O ConnectorOverview Pin AssignmentI/O connector pin assignments for the PCI-1712/1712L Connector Signal Description I/O Connector Signal Description PartSignal Name Reference Direction Description Counter 0 Gate Input. This pin is for Analog Input Connections Single-ended Channel ConnectionsDifferential Channel Connections Chapter Differential input channel connection floating signal Source Analog Output Connections Analog output connectionsField Wiring Considerations Software Overview Programming ChoicesDLL Driver Register-level ProgrammingDLL Driver Programming Roadmap Programming ToolsTroubleshooting DLL Driver Error Programming with DLL Driver Function LibraryChapter Analog Input Features Principles of OperationAnalog Input Ranges and Gains Gains and Analog Input RangeAnalog Input Acquisition Modes Post-Trigger Acquisition Mode About-Trigger Acquisition Mode Pre-Trigger Acquisition Mode Sample Clock SourcesPCI-1712/1712L Sample Clock Source Trigger SourcesAnalog Input Data Format Analog Input Data FormatAnalog Output Features Analog Output RangesAnalog Output Operation Modes Output Clock Sources Trigger Sources Digital I/O Features Analog Output Data FormatAnalog Output Data Format Counter/Timer Features Clock sourcesGate Types and Sources Counter/timer operation modes Chapter Chapter Frequency measurement Chapter Chapter Pulse width measurement Internal, and gate use for pulse Show the duty ratio of positive Calibration VR AssignmentA/D Calibration D/A Calibration Calibration Utility Selecting the device you want to calibrateChannel Auto-Calibration Auto A/D Calibration Dialog BoxA/D Calibration Procedure A/D Calibration is finished Range Selection in D/A Calibration 11 Calibrating D/A Channel Channel Manual-Calibration 13 Selecting Input Rage in Manual A/D Calibration panel14 Adjusting registers 15 & -16 Selecting D/A Range Choosing Output Voltage 17 Adjusting registers Chapter Specification Analog InputAnalog Output PCI-1712 only Digital Input /OutputCounter/Timer GeneralAppendix a Block Diagram Block DiagramAppendix B Screw-terminal Board Board LayoutPin Assignment Figure C-2 CN2 pin assignments for the PCLD-8712Single-ended Connections Differential Connections Register Structure and Format I/O Port Address MapAppendix D Table D-1 PCI-1712/1712L register format PartBase PCI-1712/1712L Register Format Address Channel data for continuous output operation mode 30 W A/D Single Value Acquisition Write BASE+0 Channel and A/D data Read Base +Data of A/D Conversion CH2 to CH0 Channel NumberA/D Channel Range Setting Write BASE+2 Table D-3 Register for A/D channel range settingSingle-ended or Differential Bipolar or UnipolarMUX Control Write BASE+4 Table D-4 Gain Codes for the PCI-1712/1712LTable D-5 Register for multiplexer control Start Scan Channel NumberAppendix D Analog input acquisition mode register A/D Control/Status Register Write/Read BASE+6Table D-6 Register for A/D control/status Sample clock source select register Trigger source control registerTrigger edge control register Analog I/O calibration bitClear interrupt and Fifo Write BASE+8 Aitrgf Analog input trigger flagTable D-8 Register for clear interrupt and Fifo Clear A/D FifoInterrupt and Fifo status Read BASE+8 Interrupt flagFifo empty flag Fifo half-full flag10 D/A control/status register Write/Read BASE+A Table D-11 Analog output operation mode Channel 1 unipolar or bipolar outputClock source select register Aotrgf Analog output trigger flag11 D/A Channel 0/1 Data Write BASE+C/E Table D-12 Register for D/A channel 0/1 dataData 12 82C54 Counter Chip 0 Write/Read BASE+10 to Table D-13 Register for 82C54 counter chip13 82C54 counter chip 1 Write/Read BASE+18 to 1E Table D-14 Register for 82C54 counter chipCn1 to Cn0 Counter clock source control register n = 0,1,2 Table D-16 Table of Cn1 to Cn0 registerCPn Counter clock edge control register n = 0,1,2 CQn Counter clock set register n = 0,1,2Gn1 to Gn0 Counter gate source control register n = 0,1,2 Table D-17 Table of Gn1 to Gn0 registerGRn Pulse width measurement reset register n = 0,1,2 GPn Counter gate polarity control register n = 0,1,2GQn Counter gate set register n = 0,1,2 GATEn Gate status n = 0,1,2Digital I/O registers Write/Read BASE+28 GATESn Pulse width measurement status bit n = 0,1,2CLKSEL1 & 0 Counter internal clock select register DO15 to DO0 Digital output data registerDigital I/O configuration registers Write/Read BASE+2A Calibration command registers Write BASE+2CDIOC1 to DIOC0 Digital I/O configuration register DI15 to DI0 Digital input data registerCM3 to CM0 Calibration command Table D-23 Calibration commandD7 to D0 Calibration data Table D-24 Register for D/A channel data DA11 to DA0 D/A data

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