National Instruments 6521 Manuals

Manuals and User Guides for National Instruments 6521. We have 3 National Instruments 6521 manuals available for free PDF download: Manual, Programmer's Manual, User Manual

National Instruments 6521 Programmer's Manual (49 pages)

DAQ, Static DIO Register-Level

Brand: National Instruments | Category: Relays | Size: 0 MB

Table of Contents
4
About this Manual

6
- How to Use the Manual Set
  7
- Conventions
  7
Chapter 1 Getting to Know Your ni 6509/651X/6520/6521/6528 Device

10
- Using Your ni 6509/651X/6520/6521/6528
  10
  - PCI Interface
    10
  - General Operation Registers
    10
Chapter 2 Register Map and Descriptions

12
- IO Port Data
  15
  - Ioport(N )Data
    15
- IO Select Registers
  16
  - Ioselect(N )
    16
- Rising Edge Sensitivity Configuration Registers
  17
  - Riseedgeenable(N )
    17
- Falling Edge Sensitivity Configuration Registers
  18
  - Falledgeenable(N )
    18
- Filter Enable Registers
  19
  - Filterenable(N )
    19
- Watchdog Timers High-Impedance Registers
  20
  - Watchdoghighimp(N )
    20
- Watchdog Timer Enable Registers
  21
  - Watchdogenable(N )
    21
- Watchdog Timer High or Low Registers
  22
  - Watchdoghighlow(N )
    22
- RTSI Enable Registers
  23
- Non-Recurring Registers
  24
- RTSI Configuration Registers
  34
Chapter 3 Programming

39
Appendix A

43
Technical Support Resources

43
Glossary

45
Index

47

National Instruments 6521 Manual (50 pages)

Brand: National Instruments | Category: Computer Hardware | Size: 1 MB

Table of Contents
5
About this Manual
7
How to Use the Manual Set
8
Conventions
8
Using Your ni 6509/651X/6520/6521/6528
11
PCI Interface
11
General Operation Registers
11
Register Map and Descriptions
13
IO Port Data
16
Ioport(N )Data
16
IO Select Registers
17
Ioselect(N )
17
Rising Edge Sensitivity Configuration Registers
18
Riseedgeenable(N )
18
Falling Edge Sensitivity Configuration Registers
19
Falledgeenable(N )
19
Filter Enable Registers
20
Filterenable(N )
20
Watchdog Timers High-Impedance Registers
21
Watchdoghighimp(N )
21
Watchdog Timer Enable Registers
22
Watchdogenable(N )
22
Watchdog Timer High or Low Registers
23
Watchdoghighlow(N )
23
RTSI Enable Registers
24
Non-Recurring Registers
25
ID Register
25
Clear Register
26
Change Status Register
27
Master Interrupt Control Register
28
Revision Register
29
Filter Interval 32-Bit Register
30
Automatic Clock Selection Register (PXI-6528 Only)
31
Watchdog Timer Software Timeout Enable
32
Watchdog Timer Expire Status
33
Watchdog Timer Timeout Interval
34
RTSI Configuration Registers
35
RTSI Input Route
35
RTSI Pulse When Edge Detected
36
RTSI Pulse When Watchdog Timer Expires
37
RTSI Trigger for Watchdog Timer
38
RTSI Edge Detection Configuration Register
39
Programming
40
Programming Examples
40
Using Interrupts and Other Advanced Functionality
40
Programming Your Device Without the ni Measurement Hardware DDK
40
Initializing the PCI Bus
41
Example
42
Technical Support Resources
44
Glossary
46
Index
48

National Instruments 6521 User Manual (25 pages)

Brand: National Instruments | Category: Computer Hardware | Size: 3 MB

Table of Contents
2
Configuration
3
Functional Overview
4
Safety Information
5
Related Documentation
7
Features
7
Digital Filtering
7
Digital Filtering Example
8
Programmable Power-Up States
9
Change Detection
10
Change Detection Example
10
Watchdog Timer
11
Digital I/O
11
I/O Connector
11
Pin Assignments
12
Signal Descriptions
13
Optically Isolated Differential Inputs
14
Sensing DC Voltages
14
Input Signal Connection Example
15
Mechanical Relays
16
Relay Forms
16
Non-Latching Relays
16
Relay Power Ratings
16
Power-On and Power-Off Conditions
17
Relay Signal Connection Example
17
Power Connections
18
Isolation Circuitry
18
Input Isolation Circuitry
18
Output Isolation Circuitry
18
Isolation Voltages
18
NI 6520 Isolation Voltages
18
NI 6521 Isolation Voltages
19
Protecting Inductive Loads
19
Cables and Accessories
21
NI 6520 Accessory Options
21
PCI-6521 Accessory Options
22
PXI-6521 Accessory Options
22
Specifications
23
Where to Go for Support
23

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Control Unit I/O Systems Controller Computer Hardware Measuring Instruments

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National Instruments 6521 Manuals

National Instruments 6521 Programmer's Manual (49 pages)

Table of Contents

About this Manual

Chapter 1 Getting to Know Your ni 6509/651X/6520/6521/6528 Device

Chapter 2 Register Map and Descriptions

Chapter 3 Programming

Appendix A

Technical Support Resources

Glossary

Index

National Instruments 6521 Manual (50 pages)

Table of Contents

National Instruments 6521 User Manual (25 pages)

Table of Contents

Related Products

National Instruments Categories