Digital I/O and Counter/Timer Product Migration

This document is part of a comprehensive tutorial on industrial Digital I/O and Counter/Timer hardware. Learn about National Instruments product offerings for digital and timing I/O, the Industrial Feature Set including watchdog timers and isolation, complementary devices like relays, solenoids and encoders, concepts like sinking and sourcing, and see how these devices can be used in your industrial application.

For more information return to the Complete Industrial Digital I/O and Counter/Timer Tutorial.

Product Migration Table

National Instruments has provided a simple reference chart for customers with older boards to upgrade to new, feature-packed solutions.

Old Board	Recommended Replacement Board
PCI-DIO-96	PCI-6509
PCI-6527	PCI-6514/PCI-6528
PXI-6527	PXI-6514/PXI-6528
PC-ER-8 Kit	PCI-6514
PC-ER-16 Kit	PCI-6514
PC-OPDIO-16	PCI-6509
PC-DIO-24	PCI-6509
PC-DIO-24PNP	PCI-6509
PC-DIO-96PNP	PCI-6509
PC-DIO-96	PCI-6509
PC-TIO-10	PCI-6602

Why should I upgrade?

1. Why use PCI-6509 over PCI-DIO-96?
The PCI-6509 has the following advanced features:

· Higher current drive (24 mA sink or source)
· NI-DAQmx software technology for highest productivity and performance
· High-reliability Industrial Feature Set: programmable power-up states, digital I/O watchdogs, change detection, programmable input filters.
· 96 bidirectional input/output lines (5 V TTL/CMOS)

Compare PCI-6509 and PCI-DIO-96 Pinouts

2. Why use PCI-6528 over PCI-6527?
The PCI-6528 has the following advanced features:

· 24 channel-to-channel optically isolated sink/source inputs (±60 VDC)
· 24 channel-to-channel isolated sink/source outputs (±60 VDC)
· High reliability Industrial Feature Set: programmable power-up states, digital I/O watchdogs, change detection, programmable input filters,
· Channel-to-channel optical isolation, high current drive (150 mA)
· Industrial RTSI bus accepts isolated high-voltage signals
· NI-DAQmx software technology for highest productivity and performance (NI-DAQmx 7.1 and higher).

Compare PCI-6528 and PCI-6527 Pinouts

3. Why use PXI-6528 over PXI-6527?
The PXI-6528 has the following advanced features:

· 24 channel-to-channel optically isolated sink/source inputs (±60 VDC)
· 24 channel-to-channel isolated sink/source outputs (±60 VDC)
· High reliability Industrial Feature Set: programmable power-up states, digital I/O watchdogs, change detection, programmable input filters,
· Channel-to-channel optical isolation, high current drive (150 mA)
· Industrial RTSI bus accepts isolated high-voltage signals
· NI-DAQmx software technology for highest productivity and performance (NI-DAQmx 7.1 and higher).

Compare PXI-6528 and PXI-6527 Pinouts

4. Why use PCI-6514 over the PC-ER-8 Kit/PC-ER-16 Kit?
The PCI-6514 has the following advanced features:

· 32 bank optically isolated sink/source inputs (±30 VDC)
· 32 bank optically isolated source outputs (±30 VDC, 350 mA for one ch/port, 75 mA for all ch)
· High-reliability Industrial Feature Set: guaranteed industrial 24 V logic thresholds, watchdogs, programmable power-up states, change detection, input filters, high current drive
· NI-DAQmx software technology for highest productivity and performance (NI-DAQmx 7.1 and higher).

Compare PCI-6514 and ER-8/16 Pinouts

5. Why use PCI-6509 over PC-OPDIO-16/PC-DIO-24/PC-DIO-24PNP/PC-DIO-96PNP/PC-DIO-96?
The PCI -6509 has the following advanced features:

· Higher current drive (24 mA sink or source)
· NI-DAQmx software technology for highest productivity and performance (NIDAQmx 7.1 and higher)
· High-reliability industrial features - Programmable power-up states, digital I/O watchdogs, change detection, programmable input filters.
· 96 bidirectional input/output lines (5 V TTL/CMOS).

Compare PCI-6509 and PC-DIO Pinouts

6. Why use PCI-6602 over PC-TIO-10?
The PCI-6602 has the following advanced features:

· 8 up/down, 32-bit counter/timers
· 80 MHz maximum source frequency (125 MHz with prescalers)
· Can perform three simultaneous high-speed DMA transfers
· Digital debouncing filters
· Up to 32 digital I/O lines (5 V/TTL).

Compare PCI-6602 and PC-TIO-10 Pinouts

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