- DL manuals
- National Instruments
- I/O Systems
- NI 9411
- Operating Instructions And Specifications
National Instruments NI 9411 Operating Instructions And Specifications - Ni 9411
Summary of NI 9411
Page 1
Artisan technology group is your source for quality new and certified-used/pre-owned equipment • fast shipping and delivery • tens of thousands of in-stock items • equipment demos • hundreds of manufacturers supported • leasing/monthly rentals • itar certified secure asset solutions service center r...
Page 3
Ni 9411 operating instructions and specifications 2 ni.Com this document describes how to use the national instruments 9411 and includes specifications and pin assignments for the ni 9411. Visit ni.Com/info and enter rdsoftwareversion to determine which software you need for the modules you are usin...
Page 4
© national instruments corp. 3 ni 9411 operating instructions and specifications safety guidelines operate the ni 9411 only as described in these operating instructions. Hot surface this icon denotes that the component may be hot. Touching this component may result in bodily injury. Safety guideline...
Page 5
Ni 9411 operating instructions and specifications 4 ni.Com caution substitution of components may impair suitability for class i, division 2. Caution for zone 2 applications, install the system in an enclosure rated to at least ip 54 as defined by iec 60529 and en 60529. Caution for zone 2 applicati...
Page 6
© national instruments corp. 5 ni 9411 operating instructions and specifications special conditions for marine applications some modules are lloyd’s register (lr) type approved for marine applications. To verify lloyd’s register certification, visit ni.Com/certification and search for the lr certifi...
Page 7
Ni 9411 operating instructions and specifications 6 ni.Com connecting the ni 9411 the ni 9411 has a 15-pin dsub connector that provides connections for 6 digital input channels. Figure 1. Ni 9411 pin and terminal assignments v sup com di0a di1a di2a supply (+5 v out ) supply (+5 v out ) di3a di4a di...
Page 8
© national instruments corp. 7 ni 9411 operating instructions and specifications each channel has two pins, dia and dib, to which you can connect digital input signals. The dsub connector also provides two connections for supplying power to an external device and a connection for common. The ni 9411...
Page 9
Ni 9411 operating instructions and specifications 8 ni.Com measures whether the difference between the dia and dib pins is greater than or less than the digital logic levels. If the difference between the pins is within the input high range, the channel registers as high. If the difference between t...
Page 10
© national instruments corp. 9 ni 9411 operating instructions and specifications an example of a differential device is a differential encoder. A differential encoder has phase a, phase b, and index signals. Use the phase a signals to measure rotational speed. Use the phase b signals to measure dire...
Page 11
Ni 9411 operating instructions and specifications 10 ni.Com figure 3. Connecting a differential encoder to the ni 9411 a+ b+ +5 v gnd differential encoder di0a di0b com ni 9411 – + a– b– index+ index– di1a di1b di2a di2b v sup com +5 v out external power supply +5 v reg receiver circuitry receiver c...
Page 12
© national instruments corp. 11 ni 9411 operating instructions and specifications connecting single-ended devices to the ni 9411 you can connect single-ended (ttl) devices to the ni 9411. Connect the signal to the dia pin, but do not connect a signal to the dib pin in the pair. You must leave the se...
Page 13
Ni 9411 operating instructions and specifications 12 ni.Com an example of a single-ended device is a single-ended encoder. A single-ended encoder has phase a, phase b, and index signals. Use the phase a signal to measure rotational speed. Use the phase b signal to measure direction. Use the index si...
Page 14
© national instruments corp. 13 ni 9411 operating instructions and specifications figure 5. Connecting a single-ended encoder to the ni 9411 a b index +5 v gnd single-ended encoder v sup com ni 9411 +5 v reg – + di0a di0b +5 v out com di1a di1b di2a di2b receiver circuitry receiver circuitry receive...
Page 15
Ni 9411 operating instructions and specifications 14 ni.Com wiring for high-vibration applications if an application is subject to high vibration, national instruments recommends that you use ferrules to terminate wires to the detachable screw-terminal connector. Refer to figure 6 for an illustratio...
Page 16
© national instruments corp. 15 ni 9411 operating instructions and specifications sleep mode this module supports a low-power sleep mode. Support for sleep mode at the system level depends on the chassis that the module is plugged into. Refer to the chassis manual for information about support for s...
Page 17
Ni 9411 operating instructions and specifications 16 ni.Com specifications the following specifications are typical for the range –40 to 70 °c unless otherwise noted. All voltages are relative to com unless otherwise noted. Input characteristics number of channels.......................... 6 digital...
Page 18
© national instruments corp. 17 ni 9411 operating instructions and specifications input current at 5 v 1 ma per channel at 24 v 4 ma per channel input impedance................................ 8.4 k i/o protection input voltage ...
Page 19
Ni 9411 operating instructions and specifications 18 ni.Com power requirements power consumption from chassis active mode ............................... 340 mw max sleep mode ................................. 1.1 mw max thermal dissipation (at 70 °c) active mode ............................... 1.4 ...
Page 20
© national instruments corp. 19 ni 9411 operating instructions and specifications physical characteristics if you need to clean the module, wipe it with a dry towel. Note for two-dimensional drawings and three-dimensional models of the c series module and connectors, visit ni.Com/dimensions and sear...
Page 21
Ni 9411 operating instructions and specifications 20 ni.Com safety safety voltages connect only voltages that are within the following limits. Channel-to-com or v sup -to-com ................................ 30 v max, measurement category i isolation channel-to-channel .................... None chan...
Page 22
© national instruments corp. 21 ni 9411 operating instructions and specifications caution do not connect the ni 9411 to signals or use for measurements within measurement categories ii, iii, or iv. Hazardous locations u.S. (ul) .......................................... Class i, division 2, groups a...
Page 23
Ni 9411 operating instructions and specifications 22 ni.Com note for ul and other safety certifications, refer to the product label or the online product certification section. Electromagnetic compatibility this product meets the requirements of the following emc standards for electrical equipment f...
Page 24
© national instruments corp. 23 ni 9411 operating instructions and specifications ce compliance this product meets the essential requirements of applicable european directives as follows: • 2006/95/ec; low-voltage directive (safety) • 2004/108/ec; electromagnetic compatibility directive (emc) online...
Page 25
Ni 9411 operating instructions and specifications 24 ni.Com shock and vibration to meet these specifications, you must panel mount the system and affix ferrules to the ends of the terminal wires. Operating vibration random (iec 60068-2-64)......... 5 g rms , 10 to 500 hz sinusoidal (iec 60068-2-6) ....
Page 26
© national instruments corp. 25 ni 9411 operating instructions and specifications operating humidity (iec 60068-2-56).............................. 10 to 90% rh, noncondensing storage humidity (iec 60068-2-56).............................. 5 to 95% rh, noncondensing maximum altitude....................
Page 27
Ni 9411 operating instructions and specifications 26 ni.Com waste electrical and electronic equipment (weee) eu customers at the end of the product life cycle, all products must be sent to a weee recycling center. For more information about weee recycling centers, national instruments weee initiativ...
Page 28
© national instruments corp. 27 ni 9411 operating instructions and specifications where to go for support the national instruments web site is your complete resource for technical support. At ni.Com/support you have access to everything from troubleshooting and application development self-help reso...
Page 29
© 2003–2009 national instruments corp. All rights reserved. 373506e-01 nov09 national instruments, ni, ni.Com, and labview are trademarks of national instruments corporation. Refer to the terms of use section on ni.Com/legal for more information about national instruments trademarks. Other product a...
Page 30
Artisan technology group is your source for quality new and certified-used/pre-owned equipment • fast shipping and delivery • tens of thousands of in-stock items • equipment demos • hundreds of manufacturers supported • leasing/monthly rentals • itar certified secure asset solutions service center r...