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National Instruments PXI-6514 Bank-isolated industrial digital I/O module
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National Instruments · PXI

PXI-6514

The NI PXI-6514 is a 64-channel industrial digital I/O module with 32 sink/source inputs and 32 sourcing outputs. Its channels are arranged in eight isolated banks.

ManufacturerNational Instruments
ModelPXI-6514
Part Number778965-01
Product TypeBank-isolated industrial digital I/O module
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Digital inputs32 sink/source
Digital outputs32 sourcing
Isolation groupingEight banks of eight lines
Field connection100-pin keyed female SCSI
Output powerExternal power supply required
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Overview

Product overview

Key product information and technical features.

The PXI-6514 combines digital sensing and sourcing outputs in a PXI module. Four eight-line input banks and four eight-line output banks provide separate groups for field wiring; lines within each bank share their ground and/or power connection.

Programmable power-up states define initial output behavior, while the watchdog can switch outputs to configured states after a computer or application fault. Software-selectable input filtering helps reject glitches and debounce switches or relays.

  • Optically isolated digital channels with bank-to-bank and bank-to-bus isolation.
  • Programmable output power-up states.
  • Watchdog timer for configured output-state handling.
  • Digital input filtering and change detection.
Verified specifications

Technical data

Verified product specifications.

Input channels32 sink/source
Output channels32 sourcing
Channels per bank8 channels
Common-mode isolation30; bank-to-bank and bank-to-bus VDC
Input logic-low voltage0 to ±4 VDC
Input logic-high voltage±11 to ±30 VDC
Maximum output switching voltage30 VDC
Default power-on output state0 (open); programmable to 0 or 1
I/O connector100-pin keyed female SCSI
Condition & included items

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Condition

Confirmed per unit.

Included

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Compatibility

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National Instruments

Manufacturer

PXI

Modular instrumentation platform

PXI-6514

Industrial digital input/output module

Output wiring

Sourcing outputs require an external supply connected to the appropriate output-port VCC pins.

Check output-current derating against ambient temperature and active lines per port; isolation is bank-based, not individual channel-to-channel.
Manuals & software

Technical resources

Manuals, software and technical resources for this model.

PXI-6514 Official Product PageProduct Page · ni.com
Open →
NI 651x SpecificationsSpecifications PDF · docs-be.ni.com
Open →
NI 651x User ManualUser Manual PDF · docs-be.ni.com
Open →
Industrial DIO Output Signal Connections and Common Causes of DamageTechnical resource
Open →
NI 651x Output Overcurrent Protection and Revised Current LimitsTechnical resource
Open →
Shipping, warranty & returns

Commercial terms

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Warranty
30-Day Warranty. Standard coverage applies.
Returns
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FAQ

Product-specific questions

Product-specific answers based on available technical information.

Does the PXI-6514 provide sinking or sourcing outputs?

Its 32 outputs source current. The 32 inputs support sink/source signals.

Does the module power its output loads from the PXI chassis?

The output ports require an external power supply connected to their VCC pins.

Is isolation provided separately for every channel?

No. Isolation is organized in eight-line banks. Lines in a bank share ground and/or power.

How does the PXI-6514 differ from the PXI-6512?

The PXI-6514 combines 32 inputs and 32 sourcing outputs. The PXI-6512 provides 64 sourcing outputs without digital inputs.

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