Low-Cost Industrial Digital I/O – 30 V, Bank Isolated
NI 651x
• 32- or 64-bank optically isolated inputs
and outputs ( 3ꢀ ꢁVCꢂ
Operating Systems
• Windows ꢁista (32- and 64-bitꢂ/XP/2ꢀꢀꢀ
• High-reliability industrial feature set –
isolation, programmable power-up
states, digital I/O watchdogs, change
detection, programmable input filters
• Low-cost solution with superior features
for data acquisition, manufacturing test,
and industrial control applications
• Virect connection to industrial
sensors and actuators
• NI-VAQmx software for highest
productivity and performance
• LabꢁIEW Real-Time
Recommended Software
• LabꢁIEW
• LabWindows™/CꢁI
• Measurement Studio
Other Compatible Software
• ANSI C, C++
• Microsoft ꢁisual Studio .NET 2ꢀꢀ3
Measurement Services
Software (included)
• NI-VAQmx
Product
NI 651ꢀ
NI 6511
NI 6512
NI 6513
NI 6514
NI 6515
NI 6516
NI 6517
NI 6518
NI 6519
Bus
PCI
Input Lines
32 source/sink
64 source/sink
–
Output Lines Isolation
Max Range (VDC)
Low Thresh (VDC)
High Thresh (VDC) Output Current (mA)1 Industrial Feature Set
–
Bank
Bank
Bank
Bank
Bank
Bank
Bank
Bank
Bank
Bank
3ꢀ
3ꢀ
3ꢀ
3ꢀ
3ꢀ
3ꢀ
3ꢀ
3ꢀ
3ꢀ
3ꢀ
4
4
–
–
4
4
–
–
4
11
11
–
–
–
3
3
3
3
3
3
3
3
3
3
PCI, PXI
PCI, PXI
PCI, PXI
PCI, PXI
PCI, PXI
PCI
PCI
PCI
PCI
–
64 source
64 sink
32 source
32 sink
32 source
32 sink
16 source
16 sink
35ꢀ (75ꢂ
5ꢀꢀ (12ꢀꢂ
35ꢀ (75ꢂ
5ꢀꢀ (12ꢀꢂ
35ꢀ (75ꢂ
5ꢀꢀ (12ꢀꢂ
35ꢀ (75ꢂ
5ꢀꢀ (12ꢀꢂ
–
–
32 source/sink
32 source/sink
–
11
11
–
–
11
–
16 source/sink
16 source/sink
4
11
1When using all lines at a 1ꢀꢀ percent duty cycle, the maximum drive current for NI 6512 and NI 6514 devices is 75 mA, and 12ꢀ mA for NI 6513 and NI 6515 devices. When using only one output line in each bank at a 1ꢀꢀ per-
cent duty cycle, the maximum drive current for NI 6512 and NI 6514 devices is 35ꢀ mA, and 5ꢀꢀ mA for NI 6513 and NI 6515 devices.
Table 1. NI 651x Selection Guide
with many helpful features including the VAQ Assistant, automatic code
Overview and Applications
generation, and high-performance multithreaded streaming technology.
NI 651x devices are industrial 32- or 64-channel isolated digital I/O
interfaces for PCI and PXI/CompactPCI systems. You can wire each input
Hardware
bank in a source or sink configuration and input and output at digital
High-Reliability Industrial Feature Set
NI 651x devices offer a set of high-reliability features designed to
levels up to 3ꢀ ꢁVC with high current switching capability. NI 651x
devices are ideal for general-purpose data acquisition applications as
automate even the most demanding applications:
well as industrial control and automated manufacturing test. With high
• Isolation provides an extended voltage range and direct connection
current drive and isolation, you can connect the digital I/O directly to a
to industrial sensors and actuators
wide array of 24 ꢁ electronic devices, sensors, and actuators.
• Programmable power-up states offer safe operation when connected
NI 651x devices offer superior features and high value for industrial
to pumps/valves/motors/relays
control and manufacturing test applications such as factory automation,
• Vigital I/O watchdogs detect computer or application errors and
embedded machine control, and production line verification. These devices
ensure safe recovery
have been designed to incorporate the latest hardware technologies and
• Change detection triggers your application and returns I/O data
provide innovative features for applications requiring ease of use, high
after a digital event with minimal processor usage
reliability, and performance. NI 651x devices take advantage of NI-VAQmx
• Programmable input filters eliminate glitches/spikes and remove noise
software, which includes technology to speed up application development
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