Name: National Instruments 622 Series
Brand: National Instruments
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Upgrading from E Series to

MSeries

This appendix supplies information about the differences between M Series and E Series

multifunction I/O families.

M Series and E Series Pinout Comparison

The pinout of Connector 0 of 68-pin M Series devices is similar to the pinout of 68-pin E Series

devices. On M Series devices, some terminals have enhanced functionality or other slight

differences. Table D-1 compares the two pinouts.

Table of Contents5
Getting Started14
Safety Guidelines14
Safety Guidelines for Hazardous Voltages15
Electromagnetic Compatibility Guidelines15
Hardware Symbol Definitions16
Installation16
Unpacking16
Device Self-Calibration17
Getting Started with M Series PCI Express Devices and the Disk Drive Power Connector18
When to Use the Disk Drive Power Connector18
Disk Drive Power Connector Installation18
Getting Started with M Series USB Devices19
Applying the Signal Label to USB Screw Terminal Devices19
USB Device Chassis Ground19
USB Device Panel/Wall Mounting21
USB Device Leds21
USB Cable Strain Relief21
USB Device Fuse Replacement22
USB Device Security Cable Slot25
Installing a Ferrite26
Pinouts26
Specifications26
Accessories and Cables26
DAQ System Overview27
DAQ Hardware27
DAQ-STC2 and DAQ-620228
Calibration Circuitry28
Cables and Accessories29
68-Pin M Series Cables and Accessories29
68-Pin Cables31
68-Pin BNC Accessories32
68-Pin Screw Terminal Accessories32
RTSI Cables32
SCC Carriers and Accessories32
Scxi33
68-Pin Custom Cabling and Connectivity33
USB Device Accessories, USB Cable, and Power Supply34
37-Pin M Series Cables and Accessories34
37-Pin Cables35
37-Pin Screw Terminal Accessories35
RTSI Cables35
37-Pin Custom Cabling35
Signal Conditioning36
Sensors and Transducers36
Signal Conditioning Options36
Scxi36
Scc37
Programming Devices in Software37
Connector and LED Information39
I/O Connector Signal Descriptions39
+5 V Power Source43
USER 1 and USER 243
RTSI Connector Pinout45
LED Patterns45
Analog Input46
Analog Input Range47
Analog Input Lowpass Filter48
Analog Input Ground-Reference Settings49
Configuring AI Ground-Reference Settings in Software51
Multichannel Scanning Considerations51
Analog Input Data Acquisition Methods54
Software-Timed Acquisitions54
Hardware-Timed Acquisitions54
Analog Input Triggering55
Connecting Analog Input Signals56
Connecting Floating Signal Sources57
What Are Floating Signal Sources57
When to Use Differential Connections with Floating Signal Sources57
When to Use Non-Referenced Single-Ended (NRSE) Connections with Floating Signal Sources57
When to Use Referenced Single-Ended (RSE) Connections with Floating Signal Sources58
Using Differential Connections for Floating Signal Sources58
Using Non-Referenced Single-Ended (NRSE) Connections for Floating Signal Sources61
Using Referenced Single-Ended (RSE) Connections for Floating Signal Sources62
Connecting Ground-Referenced Signal Sources62
What Are Ground-Referenced Signal Sources62
When to Use Differential Connections with Ground-Referenced Signal Sources63
When to Use Non-Referenced Single-Ended (NRSE) Connections with Ground-Referenced Signal Sources63
When to Use Referenced Single-Ended (RSE) Connections with Ground-Referenced Signal Sources64
Using Differential Connections for Ground-Referenced Signal Sources64
Using Non-Referenced Single-Ended (NRSE) Connections for Ground-Referenced Signal Sources65
Field Wiring Considerations66
Analog Input Timing Signals66
AI Sample Clock Signal68
Using an Internal Source69
Using an External Source69
Routing AI Sample Clock Signal to an Output Terminal69
Other Timing Requirements69
AI Sample Clock Timebase Signal70
AI Convert Clock Signal70
Using an Internal Source71
Using an External Source71
Routing AI Convert Clock Signal to an Output Terminal71
Using a Delay from Sample Clock to Convert Clock72
Other Timing Requirements72
AI Convert Clock Timebase Signal74
AI Hold Complete Event Signal74
AI Start Trigger Signal74
Using a Digital Source74
Using an Analog Source75
Routing AI Start Trigger to an Output Terminal75
AI Reference Trigger Signal75
Using a Digital Source76
Using an Analog Source76
Routing AI Reference Trigger Signal to an Output Terminal76
AI Pause Trigger Signal76
Using a Digital Source77
Using an Analog Source77
Routing AI Pause Trigger Signal to an Output Terminal77
Getting Started with AI Applications in Software77
Analog Output78
AO Offset and AO Reference Selection79
Minimizing Glitches on the Output Signal80
Analog Output Data Generation Methods80
Software-Timed Generations80
Hardware-Timed Generations81
Analog Output Triggering82
Connecting Analog Output Signals82
Analog Output Timing Signals83
AO Start Trigger Signal83
Using a Digital Source83
Using an Analog Source84
Routing AO Start Trigger Signal to an Output Terminal84
AO Pause Trigger Signal84
Using a Digital Source85
Using an Analog Source85
Routing AO Pause Trigger Signal to an Output Terminal85
AO Sample Clock Signal85
Using an Internal Source85
Using an External Source85
Routing AO Sample Clock Signal to an Output Terminal86
Other Timing Requirements86
AO Sample Clock Timebase Signal86
Getting Started with AO Applications in Software87
Digital I/O88
Static DIO89
Digital Waveform Triggering89
Digital Waveform Acquisition90
DI Sample Clock Signal90
Using an Internal Source90
Using an External Source91
Routing DI Sample Clock to an Output Terminal91
Digital Waveform Generation91
DO Sample Clock Signal91
Using an Internal Source92
Using an External Source92
Routing DO Sample Clock to an Output Terminal92
I/O Protection92
Programmable Power-Up States93
DI Change Detection94
DI Change Detection Applications95
Connecting Digital I/O Signals95
Getting Started with DIO Applications in Software96
Counter Input Applications97
Counting Edges98
Single Point (On-Demand) Edge Counting98
Buffered (Sample Clock) Edge Counting99
Controlling the Direction of Counting99
Pulse-Width Measurement99
Single Pulse-Width Measurement100
Buffered Pulse-Width Measurement100
Period Measurement101
Single Period Measurement101
Buffered Period Measurement102
Semi-Period Measurement103
Single Semi-Period Measurement103
Buffered Semi-Period Measurement103
Frequency Measurement104
Low Frequency with One Counter104
Low Frequency with One Counter (Averaged)105
High Frequency with Two Counters105
Large Range of Frequencies with Two Counters106
Choosing a Method for Measuring Frequency107
Position Measurement110
Measurements Using Quadrature Encoders111
Measurements Using Two Pulse Encoders112
Buffered (Sample Clock) Position Measurement113
Two-Signal Edge-Separation Measurement113
Single Two-Signal Edge-Separation Measurement114
Buffered Two-Signal Edge-Separation Measurement114
Counter Output Applications115
Simple Pulse Generation115
Single Pulse Generation115
Single Pulse Generation with Start Trigger116
Retriggerable Single Pulse Generation116
Pulse Train Generation117
Continuous Pulse Train Generation117
Finite Pulse Train Generation118
Frequency Generation118
Using the Frequency Generator118
Frequency Division119
Pulse Generation for ETS119
Counter Timing Signals120
Counter N Source Signal120
Routing a Signal to Counter N Source121
Routing Counter N Source to an Output Terminal121
Counter N Gate Signal121
Routing a Signal to Counter N Gate122
Routing Counter N Gate to an Output Terminal122
Counter N aux Signal122
Routing a Signal to Counter N aux122
Counter N A, Counter N B, and Counter N Z Signals123
Routing Signals to A, B, and Z Counter Inputs123
Routing Counter N Z Signal to an Output Terminal123
Counter N Up_Down Signal123
Counter N HW Arm Signal123
Routing Signals to Counter N HW Arm Input123
Counter N Internal Output and Counter N TC Signals124
Routing Counter N Internal Output to an Output Terminal124
Frequency Output Signal124
Routing Frequency Output to a Terminal124
Default Counter/Timer Pinouts124
Counter Triggering125
Other Counter Features126
Cascading Counters126
Counter Filters126
Prescaling128
Duplicate Count Prevention128
Example Application that Works Correctly (no Duplicate Counting)129
Example Application that Works Incorrectly (Duplicate Counting)129
Example Application that Prevents Duplicate Count130
When to Use Duplicate Count Prevention130
Enabling Duplicate Count Prevention in NI-Daqmx131
Synchronization Modes131
80 Mhz Source Mode132
Other Internal Source Mode132
External Source Mode132
Pfi133
Using PFI Terminals as Timing Input Signals134
Exporting Timing Output Signals Using PFI Terminals134
Using PFI Terminals as Static Digital I/Os135
Connecting PFI Input Signals135
PFI Filters136
I/O Protection137
Programmable Power-Up States137
Clock Routing138
80 Mhz Timebase139
100 Khz Timebase139
External Reference Clock139
10 Mhz Reference Clock139
Synchronizing Multiple Devices140
PXI/PXI Express Modules140
PCI/PCI Express Devices140
USB Devices140
Real-Time System Integration (RTSI)141
RTSI Connector Pinout141
Using RTSI as Outputs142
Using RTSI Terminals as Timing Input Signals143
RTSI Filters143
PXI Clock and Trigger Signals145
Pxi_Clk10145
PXI Triggers145
PXI_STAR Trigger145
PXI_STAR Filters145
Bus Interface147
Data Transfer Methods147
PCI/PCI Express Device and PXI/PXI Express Module Data Transfer Methods147
USB Device Data Transfer Methods148
PXI Considerations149
PXI Clock and Trigger Signals149
PXI and PXI Express149
Using PXI with Compactpci150
Triggering151
Triggering with a Digital Source151
Triggering with an Analog Source152
APFI <0,1> Terminals152
Analog Input Channels152
Analog Trigger Actions153
Routing Analog Comparison Event to an Output Terminal153
Analog Trigger Types153
Analog Trigger Accuracy156
Figure A-1. PCI/PXI-6220 Pinout158
Figure A-2. PCI/PXI-6221 Pinout161
Figure A-3. USB-6221 Screw Terminal Pinout163
Figure A-4. USB-6221 BNC Top Panel and Pinout165
Figure A-5. PCI-6221 (37-Pin) Pinout167
Figure A-6. PCI/PXI-6224 Pinout169
Figure A-7. PCI/PXI-6225 Pinout171
Figure A-8. USB-6225 Screw Terminal Pinout173
Figure A-9. USB-6225 Mass Termination Pinout175
Figure A-10. PCI/PXI-6229 Pinout177
Figure A-11. USB-6229 Screw Terminal Pinout179
Figure A-12. USB-6229 BNC Top Panel and Pinout181
Figure A-13. PCI/PXI-6250 Pinout183
Figure A-14. ni Pci/Pcie/Pxi/Pxie-6251 Pinout185
Figure A-15. USB-6251 Screw Terminal Pinout187
Figure A-16. USB-6251 BNC Top Panel and Pinout189
Figure A-17. USB-6251 Mass Termination Pinout191
Figure A-18. PCI/PXI-6254 Pinout193
Figure A-19. PCI/PXI-6255 Pinout195
Figure A-20. USB-6255 Screw Terminal Pinout197
Figure A-21. USB-6255 Mass Termination Pinout199
Figure A-22. ni Pci/Pcie/Pxi/Pxie-6259 Pinout201
Figure A-23. USB-6259 Screw Terminal Pinout203
Figure A-24. USB-6259 BNC Top Panel and Pinout205

Brand	National Instruments
Model	622 Series
Category	I/O Systems
Language	English

National Instruments 622 Series User Manual

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National Instruments 622 Series Specifications

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