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PXI-6528 (48-Ch, 60 V)

Industrial Digital l/O - 24 Input, 24 Output, Channel-Channel Isolated

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  • 24 channel-to-channel optically isolated sink/source inputs (±60 VDC)
  • 24 channel-to-channel isolated sink/source outputs (±60 VDC, 0-30 Vrms)
  • Industrial Feature Set: prog. power-up states, watchdog timer, change detection, prog. input filters
  • 150 mA current drive
  • High-voltage input to PXI trigger bus
  • NI-DAQmx software technology for highest productivity and performance (NI-DAQmx 7.1 and higher)


The National Instruments PXI-6528 module is an industrial 48-channel, parallel, isolated digital I/O interface for PXI/CompactPCI systems. The NI PXI-6528 has 24 digital inputs and 24 digital switch outputs, and is completely jumperless. With the PXI-6528, you can sense digital levels up to ±60 VDC and switch currents of up to 150 mA. Because the PXI-6528 is isolated, you can protect your system from noise and spikes on external signals and break ground loops. Using programmable power-up states, you can configure the initial output states in software, to ensure glitch-free, safe operations when connected to industrial actuators (pumps/valves/motors/relays). By using Digital I/O watchdogs, you can enable the device to go to a configurable safe output state if a computer or application fault occurs, thus ensuring detection and safe recovery from fault conditions when connected to industrial actuators. With change detection, the digital I/O device notifies and triggers your software application when a digital change of state occurs (without polling). Programmable input filters eliminate glitches/spikes and provide debouncing for digital switches/relays through a programmable digital filter.

Specifications Documents

View Data Sheet

Specifications Summary

General
Product Name PXI-6528
Product Family Digital I/O
Form Factor PXI Platform
PXI Bus Type PXI Hybrid Compatible
Part Number 778543-01
Operating System/Target Real-Time , Linux , Windows
Power Requirement for +3.3V Rail 0.6 A
Power Requirement for +5V Rail 0.3 A
Power Requirement for +12V Rail 0 A
Power Requirement for -12V Rail 0 A
Slot Two Module No
Module Width 1
MXI Compatible Yes
Measurement Type Digital
Isolation Type Ch-Ch Isolation
RoHS Compliant Yes
Analog Input
Channels 0
Single-Ended Channels 0
Differential Channels 0
Analog Output
Channels 0
Digital I/O
Bidirectional Channels 0
Input-Only Channels 24
Output-Only Channels 24
Timing Software
Logic Levels > 24 V , Other
Input Current Flow Sinking , Sourcing
Output Current Flow Sinking , Relay, Form A , Sourcing
Programmable Input Filters Yes
Supports Programmable Power-Up States? Yes
Current Drive Single 150 mA
Current Drive All 3.6 A
Watchdog Timer Yes
Supports Handshaking I/O? No
Supports Pattern I/O? No
Maximum Input Range -60 V - 60 V
Maximum Output Range 0 V - 60 V
Counter/Timers
Counters 0
Physical Specifications
Length 16 cm
Width 10 cm
I/O Connector 100-pin female 0.050 D-type
Timing/Triggering/Synchronization
Triggering Digital
Synchronization Bus (RTSI) Yes

NI PXI-6528 Packages

To use the NI PXI-6528 , you need all items in the diagram below. Select Option 1 if you already own a PXI System, or Option 2 if you do not already own a chassis, controller, or software.

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PXI System
1 Connector Block 1 Cable NI PXI-6528 Chassis Controller Software
NI PXI-6528 and Accessories Only
NI PXI-6528 - 778543-01 Qty $ 745 each
Connector Block - Screw Terminal
SCB-100 - 776990-01
Qty $ 330 each
Cable - Shielded
SH100-100-F Cable (2m) - 185095-02
Select length:
Qty $ 196 each
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Package Price: $ 1,271
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