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NI (National Instruments) PCI-6511 64-Channel, ±30 VDC, Sink/Source Inputs, Bank-Isolated Digital I/O Device
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NI (National Instruments) · Computer-Based Device

PCI-6511

The NI PCI-6511 is a PCI digital input card with 64 input-only channels, bank isolation, and support for sinking and sourcing inputs. It supports a digital input voltage range of -30 V to 30 V.

ManufacturerNI (National Instruments)
ModelPCI-6511
Part Number778966-01 · 778972-01
Product Type64-Channel, ±30 VDC, Sink/Source Inputs, Bank-Isolated Digital I/O Device
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Bus ConnectorPCI
Digital Input Only Channels64
Digital Input Voltage Range-30 V to 30 V
Operating Temperature Range0 °C to 55 °C
Bus ConnectionPCI
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Overview

Product overview

Key product information and technical features.

The PCI-6511 is a computer-based industrial digital input interface. Its 64 input-only channels support 24 V logic levels and sinking or sourcing input connections, with bank isolation between groups of channels.

The card connects to the host through PCI and provides a SCSI-type front connection for field wiring. Programmable input filters support glitch and spike rejection and switch or relay debouncing.

  • 64 dedicated digital input channels with no bidirectional channels.
  • Supports both sinking and sourcing inputs.
  • Input voltage range of -30 V to 30 V with 24 V logic levels.
  • 30 VDC bank-isolated digital inputs.
  • PCI host connection and SCSI-type front connection.
  • Software-selectable digital input filtering for glitch rejection and switch or relay debouncing.
Verified specifications

Technical data

Verified product specifications.

Bus ConnectorPCI
Number of Digital Input Only Channels64
Digital Input Voltage Range-30 V to 30 V
Operating Temperature Range0 °C to 55 °C
Bus ConnectionPCI
Current Flow DirectionSinking Input, Sourcing Input
Digital I/O Isolation30 VDC Bank Isolation
Digital I/O Logic Levels24 V
Front Connection TypeSCSI Type
Signaling TypeSingle-Ended
Supported Hardware PlatformComputer-Based Device
NI part numbers778966-01, 778972-01
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NI

Manufacturer

Computer-Based Device

Supported Hardware Platform

PCI-6511

This product

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Manuals & software

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Getting Started (NI)Getting Started · ni.com
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Letter Of Volatility (NI)Letter Of Volatility · ni.com
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Specifications (NI)Specifications · ni.com
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Dimensional Drawings (NI)Dimensional Drawings · ni.com
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Product Page (NI)Product Page · ni.com
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Shipping, warranty & returns

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FAQ

Product-specific questions

Product-specific answers based on available technical information.

How many digital input channels does the PCI-6511 have?

It has 64 dedicated digital input channels and no bidirectional digital channels.

What input voltage range does the PCI-6511 support?

Its digital input voltage range is -30 V to 30 V. The listed digital logic level is 24 V.

Does the PCI-6511 support sinking and sourcing inputs?

Yes. The PCI-6511 supports both sinking input and sourcing input current flow directions.

What connections does the PCI-6511 use?

It uses a PCI host bus connection and a SCSI-type front connection. Confirm the exact cable and terminal accessory requirements in NI documentation before connecting field wiring.

Are the PCI-6511 inputs isolated?

Yes. The retained specifications list 30 VDC bank isolation. This is bank isolation, not a claim of individual channel-to-channel isolation.

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