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Chapter 21 671X Devices
©
National Instruments Corporation 21-3 DAQ Hardware Overview Guide
671
X
Digital I/O
The 671X devices contain one 8-bit digital I/O port supplied by the
DAQ-STC chip. This port is referred to as port 0 by the Digital I/O
functions.
You can configure the entire digital port as either an input or an output port,
or you can configure individual lines for either input or output. The port has
read-back capability. This port operates in nonlatched mode only.
Note
Connecting a non-remote SCXI chassis to a 671X device renders lines 0, 1, 2, and 4
of the digital I/O port unavailable.
The remaining lines of the digital I/O port are available for input or output. Use
DIG_Line_Config to configure these remaining lines.
671
X
Counter/Timer Operation
The 671X devices use the National Instruments DAQ-STC counter/timer
chip. The DAQ-STC has two 24-bit counter/timers that are always
available for general-purpose counter/timer applications. Refer to the
GPCTR functions in the NI-DAQ Function Reference Online Help for more
information.
671
X
Programmable Frequency Output Operation
The 671X devices have one I/O connector pin (FREQ_OUT) capable of
outputting a programmable frequency signal. This signal is a divided-down
version of the selected timebase. Available timebases are 10 MHz
and 100 kHz, and you can divide them by numbers 1 through 16.
671
X
PFI Pins
You can route internal device signals to and from the I/O connector
programmatically by using the PFI pins on the 671X devices. Refer to your
671X device user manual for a complete discussion of PFI pins.
- DAQ Hardware Overview 1
- Important Information 3
- Chapter 14 7
- SCXI Hardware 7
- Glossary 10
- Contents 11
- About This Guide 12
- MIO and AI Device Terminology 15
- Table 1 16
- Related Documentation 17
- MIO and AI Devices 18
- Chapter 1 MIO and AI Devices 19
- E Series Data Acquisition 20
- Set_DAQ_Device_Info 22
- MIO Device Analog Output 24
- E Series Digital I/O 26
- E Series PFI Pins 27
- Lab and 1200 Devices 28
- AI_Trigger_Config.vi 31
- DAQ_StopTrigger_Config 31
- Table 2-2 32
- Lab and 1200 Devices Groups 33
- Figure 2-1 34
- 1200 Device Acquisition Rate 35
- 1200 Device Calibration 36
- LPM Devices 37
- DAQ_Config 38
- LPM Device Digital I/O 39
- LPM Device Counter/Timers 40
- 516 Devices and 41
- DAQCard-500/700 Devices 41
- DAQ_Config. If you do 43
- Counter/Timer Operation 44
- Figure 4-2 45
- AT-AO-6/10 Analog 46
- Output Devices 46
- AT-AO-6/10 Digital I/O 48
- 6703/6704 Devices 49
- PC-TIO-10 Timing I/O Device 50
- PC-TIO-10 Counter/Timers 54
- PC-TIO-10 Digital I/O 55
- DIO-96 Digital I/O Devices 56
- DIO-96 Groups 57
- DIO-24 (6503) 58
- AT-MIO-16DE-10, and 6025E 58
- DIO-32F and 6533 60
- Digital I/O Devices 60
- Digital_Buffer_Write.vi) 62
- AMUX-64T External 63
- Multiplexer Accessory 63
- Table 11-2 64
- AMUX-64T Channel Numbers 64
- SCAN_Setup or 65
- MIO_Config 67
- Accessories 68
- SC-2042-RTD Accessory 69
- SC-2043-SG Accessory 69
- SCC Series Modules 70
- SCC-CI20 Current Input Module 72
- SCC-LP Lowpass Filter Modules 73
- SCC Configuration 74
- SCXI Operating Modes 76
- Chapter 14 SCXI Hardware 77
- SCXI Data Acquisition Device 80
- SCXI-1200 80
- SCXI Analog Input Modules 81
- SCXI-1100 81
- SCXI-1101 82
- SCXI-1104/C 83
- SCXI-1112 83
- SCXI_Scale function to 84
- SCXI_Single_Chan_Setup 84
- SCXI-1125 85
- SCXI-1122 85
- SCXI-1126 86
- SCXI-1127 87
- SCXI-1140 87
- SCXI Analog Output Module 89
- SCXI-1124 89
- SCXI Digital Modules 90
- SCXI-1160 and SCXI-1161 90
- SCXI-1162 and SCXI-1162HV 91
- SCXI-1163 and SCXI-1163R 91
- SCXI-1530, SCXI-1531 92
- SCXI-1540 92
- SCXI_Track_Hold_Setup 94
- DIO-24 and the DIO-96 96
- DIO-32F and 6533 Device 97
- VXI-DAQ Devices 99
- AO_Change_Parameter or the 100
- Multifunction VXIbus Devices 101
- VXI-DAQ Signal Conditioning 102
- VXI-SC-1102 Submodule 103
- VXI-SC-1150 Submodule 103
- PXI DAQ Devices 104
- PXI DAQ Signal Conditioning 105
- NI 5411 Devices 106
- Chapter 17 NI 5411 Devices 107
- DDS Mode 108
- Table 17-2 110
- NI 5411 Operational Modes 110
- Device Analog Input 112
- Data Acquisition 113
- Acquisition Timing 114
- Current Source 115
- Digital I/O 115
- Device Input 116
- Chapter 19 NI 40XX Devices 118
- DSA Devices 119
- and NI 455 120
- Analog Input Channels 120
- Data Acquisition Timing 121
- Channels 122
- Digital I/O 123
- Counter/Timer Operation 124
- Devices 125
- Chapter 21 671X Devices 126
- Technical Support Resources 129
- Worldwide Support 130
- Numbers/Symbols 131
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