National Instruments NI 9476 Operating Instructions Manual

Manual is about: National Instruments Digital Output Module Operating Instructions and Specifications

Summary of NI 9476

  • Page 1

    Operating instructions and specifications ni 9476 32-channel, 24 v, sourcing digital output module ni.Com/manuals deutsch français.

  • Page 2

    Ni 9476 operating instructions and specifications 2 ni.Com this document describes how to use the national instruments 9476 and includes specifications and pin assignments for the ni 9476. Visit ni.Com/info and enter rdsoftwareversion to determine which software you need for the modules you are usin...

  • Page 3

    © national instruments corp. 3 ni 9476 operating instructions and specifications safety guidelines operate the ni 9476 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 4

    Ni 9476 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 5

    © national instruments corp. 5 ni 9476 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 6

    Ni 9476 operating instructions and specifications 6 ni.Com connecting the ni 9476 the ni 9476 has a 37-pin dsub connector that provides connections for 32 digital output channels. Figure 1. Ni 9476 pin assignments do16 do17 do18 do19 do20 do21 do22 do23 vsup vsup do24 do25 do26 do27 do28 do29 do30 d...

  • Page 7

    © national instruments corp. 7 ni 9476 operating instructions and specifications each channel has a do pin to which you can connect a digital input device. The 32 digital output channels are internally referenced to com. You must connect an external power supply to the ni 9476. The power supply prov...

  • Page 8

    Ni 9476 operating instructions and specifications 8 ni.Com you can directly connect the ni 9476 to a variety of industrial devices such as solenoids, motors, actuators, relays, and lamps. Make sure the devices you connect to the ni 9476 are compatible with the output specifications of the module. Re...

  • Page 9

    © national instruments corp. 9 ni 9476 operating instructions and specifications increasing current drive each channel has a continuous output current of 250 ma. If you want to increase the output current to a device, you can connect any number of channels together in parallel. For example, if you w...

  • Page 10

    Ni 9476 operating instructions and specifications 10 ni.Com protecting the module from flyback voltages if the module is switching an inductive or energy-storing device such as a solenoid, motor, or relay, and the device does not have flyback protection, install an external flyback diode as shown in...

  • Page 11

    © national instruments corp. 11 ni 9476 operating instructions and specifications i/o protection the ni 9476 is protected against overcurrent, inrush, and short-circuit conditions in accordance with iec 1131-2. Understanding protected devices each channel on the ni 9476 has circuitry that protects i...

  • Page 12

    Ni 9476 operating instructions and specifications 12 ni.Com 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 sleep mode. If the chas...

  • Page 13

    © national instruments corp. 13 ni 9476 operating instructions and specifications 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. Output characteristics number of channels................

  • Page 14

    Ni 9476 operating instructions and specifications 14 ni.Com continuous overvoltage protection (v sup ) ................................ Up to 40 v max reversed-voltage protection ............. None current limiting ................................ None short-circuit protection..................... I...

  • Page 15

    © national instruments corp. 15 ni 9476 operating instructions and specifications mtbf ............................................... 1,091,425 hours at 25 °c; bellcore issue 2, method 1, case 3, limited part stress method note contact ni for bellcore mtbf specifications at other temperatures or fo...

  • Page 16

    Ni 9476 operating instructions and specifications 16 ni.Com safety maximum voltage 1 connect only voltages that are within the following limits. V sup -to-com..................................... 36 vdc, measurement category 1 measurement category i is for measurements performed on circuits not dire...

  • Page 17

    © national instruments corp. 17 ni 9476 operating instructions and specifications isolation voltages channel-to-channel........................... No isolation between channels channel-to-earth ground continuous ................................. 60 vdc, measurement category i withstand.................

  • Page 18

    Ni 9476 operating instructions and specifications 18 ni.Com hazardous locations u.S. (ul) .......................................... Class i, division 2, groups a, b, c, d, t4; class i, zone 2, aex nc iic t4 canada (c-ul) ................................. Class i, division 2, groups a, b, c, d, t4; ...

  • Page 19

    © national instruments corp. 19 ni 9476 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 20

    Ni 9476 operating instructions and specifications 20 ni.Com electromagnetic compatibility this product is designed to meet the requirements of the following standards of emc for electrical equipment for measurement, control, and laboratory use: • en 61326 emc requirements; industrial immunity • en 5...

  • Page 21

    © national instruments corp. 21 ni 9476 operating instructions and specifications ce compliance this product meets the essential requirements of applicable european directives, as amended for ce markings, as follows: • 2006/95/ec; low-voltage directive (safety) • 2004/108/ec; electromagnetic compati...

  • Page 22

    Ni 9476 operating instructions and specifications 22 ni.Com for additional environmental information, refer to the ni and the environment web page at ni.Com/environment . This page contains the environmental regulations and directives with which ni complies, as well as other environmental informatio...

  • Page 23

    © national instruments corp. 23 ni 9476 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 24

    © 2005–2008 national instruments corp. All rights reserved. 373964d-01 apr08 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...