PXI-6521

FROM $ 1,223.00

Price may vary with addition of accessories and services.

Contact us with questions for pricing.

Item details
Signaling Type: Single-Ended
Maximum Clock Rate: -
Output Voltage Range: 0 V to 150 V
Digital Input Voltage Range: -30 V to 30 V
Number of Bidirectional Digital Channels: -
Number of Digital Output Only Channels: 8
Number of Digital Input Only Channels: 8
Digital I/O Logic Levels: 24 V
Single-Ended Digital I/O Channel Current Drive: 2 A
Bus Connector: PXI Hybrid
Select options
NI PXI-6521 8 Ch-Ch Iso DI, 8 Mech Relay DO & NI-DAQ
779313-01
Contact us
Quantity
1
Select service program
NI Hardware Service Programs help you save time and control costs on system setup and maintenance by simplifying logistics, improving uptime, and maintaining traceability with industry standards. These programs offer repair coverage for multiple years, with options for calibration plans and faster response services.
Service Programs
Hardware Warranty (Included) - 1 Year
Premium Service Program for Hardware - 3 Years
Standard Service Program for Hardware - 3 Years
Calibration plan currently not included for this part number.
Select required accessories
Ensure you have all the required accessories you will need to use this hardware.
Cables
R37F-37M-1 37-pin Female to Male Ribbon I/O Cable, 1m
779195-01
Contact us
Quantity
0
SH37F-37M-2 37-Pin Female to Male Shielded I/O Cable, 2 m
778621-02
Contact us
Quantity
0
SH37F-P-4 37-Pin Female to Pigtail Shielded I/O Cable, 12ft
778620-04
Contact us
Quantity
0
Connectivity
CB-37F-HVD 37-pin ScrewTerminal Blk, UL rec.150V CAT II, Din Rail
779491-01
Contact us
Quantity
0
TB-2621 37-Pin D-Sub (Female) terminals, 150V CAT II
779444-01
Contact us
Quantity
0
Review summary
PXI-6521
779313-01
Contact us
Subtotal
Contact us
Free shippingFree standard shipping is automatically applied to new quotes and orders. Expedited shipping may also be available for an additional cost.

16-Channel, ±30 VDC, 8 Sink/Source Inputs, 8 Relay Outputs, Isolated PXI Digital I/O Module

The PXI‑6521 is an industrial digital I/O module with high channel isolation and industry-standard 24 V logic levels.  For added safety, the PXI‑6521 requires a keyed connector. If a computer or application fault occurs, the PXI‑6521 can use digital I/O watchdogs to switch to a configurable safe output state to ensure detection and safe recovery from fault conditions. It also features programmable power-up states, digital filtering, and change detection for optimal control over your application.

Part Number(s): 779313-01 |

You can request repair, schedule calibration, or get technical support. A valid service agreement may be required.

Search for answers to frequently asked questions and troubleshooting tips for common errors written by NI engineers.

Ask questions, explore solutions, and participate in discussions with other NI Community members.

Access hundreds of self-paced lessons, application-focused learning paths, and get started with product set-up tutorials.