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Low-Cost NI PCI-6520

8 Mechanical Relay Outputs, 8 Ch-Ch Isolated Digital Inputs

  • 2 A switching current, 60 W switching power
  • 8 channel-to-channel optically isolated inputs, ±30 VDC
  • 8 nonlatching mechanical relay outputs, ±60 VDC or 30 Vrms
  • Prog. power-up states, watchdog timers, change detection, prog. input filters
  • NI-DAQmx measurement services with configuration utility for easy setup
  • 24 V logic, sinking or sourcing inputs
  • Data Sheet

Step 1: Verify Device and Quantity Selection
Part
Number
Description Est Ship Days Glossary Definition US Dollars
(change)
Qty
779443-01 NI PCI-6520 -- For price, select country  

Each NI PCI-6520 requires: 1 Cable, 1 Connector Block

NI PCI-6520 Cable Connector Block
Step 2: Select Cable
Part
Number
Description Est Ship Days Glossary Definition US Dollars
(change)
Qty
Shielded
778621-01 SH37F-37M Cable (1m)
NI Recommended
-- For price, select country  
778621-02 SH37F-37M Cable (2m) -- For price, select country  
779195-01 R37F-37M Cable (1m) -- For price, select country  
778620-04 SH37F-P-4 (4m) -- For price, select country  
Step 3: Select Connector Block
Part
Number
Description Est Ship Days Glossary Definition US Dollars
(change)
Qty
Screw Terminals
778673-01 CB-37FH - Unshielded,Horizontal DIN Rail Mount
NI Recommended
-- For price, select country  
779491-01 CB-37F-HVD - Unshielded -- For price, select country  
778672-01 CB-37FV - Unshielded,Vertical DIN Rail Mount -- For price, select country  
779353-01 CB-37F-LP - Unshielded -- For price, select country  
779185-01 TB-37F-37CP - 37-Pin Crimp and Poke Terminals, shell w/strain relief, No Cable Required -- For price, select country  
779184-01 TB-37F-37SC - 37-Pin Solder Cup Terminals, shell w/strain relief, No Cable Required -- For price, select country  
Step 4: Add to Cart or Get a Quote

Please select the country where you will use the product(s) so that we can provide you with accurate pricing, availability, and purchasing information

The National Instruments PCI-6520 is an industrial digital I/O board with eight ±60 VDC or 30 Vrms relay outputs with maximum switching power of 60 W and eight ±30 VDC, channel-to-channel isolated digital inputs with industry-standard 24 V logic levels. The digital inputs offer connectivity to both sinking and sourcing signals. For added reliability, the NI PCI-6520 features watchdog timers to recover from a variety of computer and application faults. It also features programmable power-up states, digital filtering, and change detection for optimal control over your application. The PCI-6520 offers a standard 37-pin D-Sub connector for connectivity to a wide range of low-cost accessories, and it takes advantage of NI-DAQmx measurement services software, which helps you achieve shorter setup times and added productivity.

Specifications Documents


Specifications Summary

General 
Form FactorPCI
OS SupportWindows, Real-Time
Measurement TypeDigital
Isolation TypeCh-Ch Isolation
Analog Input 
Number of Channels0
Analog Output 
Number of Channels0
Digital I/O 
Number of Channels8 DI/8 DO
TimingSoftware
Logic Levels24 V
Maximum Input Range-30..30 V
Maximum Output Range0..60 V
Input Current FlowSinking, Sourcing
Programmable Input FiltersYes
Output Current FlowRelay, Form A, Relay, Form C
Current Drive (Channel/Total)2 A/16 A
Watchdog TimerYes
Supports Programmable Power-Up States?Yes
Supports Handshaking I/O?No
Supports Pattern I/O?No
Counter/Timers 
Number of Counter/Timers0
Physical Specifications 
Length17.5 cm
Width9.9 cm
I/O Connector37-pin D-Sub

Select your application need to see compatible software options for the Low-Cost NI PCI-6520.

Application Need

Graphical Programming Text-Based Programming
Select any of the following software products
Part
Number
Description Est Ship Days Glossary Definition US Dollars
(change)
Qty
776670-09 NI LabVIEW Full Development System for Windows (English)
NI Recommended
-- For price, select country  
777756-09 NI LabVIEW Full Development System for Linux -- For price, select country  
776675-01 LabVIEW Application Builder for Windows (English)
NI Recommended
-- For price, select country  
777755-03 NI LabVIEW Application Builder for Linux -- For price, select country  
778406-03 NI LabVIEW Report Generation Toolkit for Microsoft Office -- For price, select country  
778807-09 DIAdem Advanced Edition (English) -- For price, select country  

Please select the country where you will use the product(s) so that we can provide you with accurate pricing, availability, and purchasing information

Select any of the following software products
Part
Number
Description Est Ship Days Glossary Definition US Dollars
(change)
Qty
776800-09 LabWindows/CVI Full Development System for Windows -- For price, select country  
778801-09 NI Measurement Studio Professional Edition for Microsoft Visual Studio -- For price, select country  
779384-03 NI LabWindows/CVI Run-Time Module for Linux -- For price, select country  
778807-09 DIAdem Advanced Edition (English) -- For price, select country  

Please select the country where you will use the product(s) so that we can provide you with accurate pricing, availability, and purchasing information

Other compatible software: ANSI C/C++, C#, Visual Basic .NET, Visual Basic 6.0
Graphical Programming Text-Based Programming
Option 1: Select one of the following NI Developer Suite packages or Configure Your NI Developer Suite >>
Part
Number
Description Est Ship Days Glossary Definition US Dollars
(change)
Qty
DS410841 NI Developer Suite Core with Automated Test Option (English) -- For price, select country  

Please select the country where you will use the product(s) so that we can provide you with accurate pricing, availability, and purchasing information

Option 2: Select any of the following software products
Part
Number
Description Est Ship Days Glossary Definition US Dollars
(change)
Qty
776670-09 NI LabVIEW Full Development System for Windows (English)
NI Recommended
-- For price, select country  
777756-09 NI LabVIEW Full Development System for Linux -- For price, select country  
776675-01 LabVIEW Application Builder for Windows (English)
NI Recommended
-- For price, select country  
777755-03 NI LabVIEW Application Builder for Linux -- For price, select country  
777777-09 NI TestStand Development System for Windows -- For price, select country  

Please select the country where you will use the product(s) so that we can provide you with accurate pricing, availability, and purchasing information

Option 1: Select one of the following NI Developer Suite packages or Configure Your NI Developer Suite >>
Part
Number
Description Est Ship Days Glossary Definition US Dollars
(change)
Qty
DS410841 NI Developer Suite Core with Automated Test Option (English) -- For price, select country  

Please select the country where you will use the product(s) so that we can provide you with accurate pricing, availability, and purchasing information

Option 2: Select any of the following software products
Part
Number
Description Est Ship Days Glossary Definition US Dollars
(change)
Qty
776800-09 LabWindows/CVI Full Development System for Windows -- For price, select country  
778801-09 NI Measurement Studio Professional Edition for Microsoft Visual Studio -- For price, select country  
779384-03 NI LabWindows/CVI Run-Time Module for Linux -- For price, select country  
777777-09 NI TestStand Development System for Windows -- For price, select country  

Please select the country where you will use the product(s) so that we can provide you with accurate pricing, availability, and purchasing information

Other compatible software: ANSI C/C++, C#, Visual Basic .NET, Visual Basic 6.0
Graphical Programming Text-Based Programming
Option 1: Select one of the following NI Developer Suite packages or Configure Your NI Developer Suite >>
Part
Number
Description Est Ship Days Glossary Definition US Dollars
(change)
Qty
DS410863 NI Developer Suite Core with Control Design and Simulation Option (English) -- For price, select country  

Please select the country where you will use the product(s) so that we can provide you with accurate pricing, availability, and purchasing information

Option 2: Select any of the following software products
Part
Number
Description Est Ship Days Glossary Definition US Dollars
(change)
Qty
776670-09 NI LabVIEW Full Development System for Windows (English)
NI Recommended
-- For price, select country  
777756-09 NI LabVIEW Full Development System for Linux -- For price, select country  
780050-09 NI LabVIEW Control Design and Simulation Module -- For price, select country  
778941-03 NI LabVIEW System Identification Toolkit for Windows -- For price, select country  
778552-03 NI LabVIEW Simulation Interface Toolkit for Windows -- For price, select country  

Please select the country where you will use the product(s) so that we can provide you with accurate pricing, availability, and purchasing information

Select any of the following software products
Part
Number
Description Est Ship Days Glossary Definition US Dollars
(change)
Qty
776800-09 LabWindows/CVI Full Development System for Windows -- For price, select country  
778801-09 NI Measurement Studio Professional Edition for Microsoft Visual Studio -- For price, select country  
779667-09 NI LabWindows/CVI Real-Time Module -- For price, select country  
778915-03 NI LabWindows/CVI Execution Trace Toolkit -- For price, select country  
779509-03 NI LabWindows/CVI PID Control Toolkit -- For price, select country  
777757-01 NI PID Toolkit for Visual Basic -- For price, select country  

Please select the country where you will use the product(s) so that we can provide you with accurate pricing, availability, and purchasing information

Other compatible software: ANSI C/C++, C#, Visual Basic .NET, Visual Basic 6.0
Graphical Programming Text-Based Programming
Option 1: Select one of the following NI Developer Suite packages or Configure Your NI Developer Suite >>
Part
Number
Description Est Ship Days