- DL manuals
- National Instruments
- Network Card
- NI 9474
- Operating Instructions Manual
National Instruments NI 9474 Operating Instructions Manual
Summary of NI 9474
Page 1
Operating instructions and specifications ni 9472/9474 8-channel digital output modules ni.Com/manuals deutsch français.
Page 2
Ni 9472/9474 2 ni.Com this doc u ment describes how to u se the national instr u ments 9472 and national instr u ments 9474 and incl u des specifications and terminal or pin assignments. In this doc u ment, the ni 9472/9474 with screw terminal and ni 9472 with dsub are referred to incl u sively as t...
Page 3
© national instruments corp. 3 ni 9472/9474 hot surface this icon denotes that the component may be hot. To u ching this component may res u lt in bodily inj u ry. Safety guidelines for hazardous voltages yo u can connect hazardo u s voltages only to the ni 9472/9474 with screw terminal. Do not conn...
Page 4
Ni 9472/9474 4 ni.Com and circ u its connected to the mod u le are properly ins u lated from h u man contact. Yo u m u st u se the ni 9932 connector backshell kit to ens u re that the terminals are not accessible. Fig u re 1 shows the ni 9932 connector backshell. Note yo u can u se the ni 9932 conne...
Page 5
© national instruments corp. 5 ni 9472/9474 safety guidelines for hazardous locations the ni 9472/9474 is s u itable for u se in class i, division 2, gro u ps a, b, c, d, t4 hazardo u s locations; class i, zone 2, aex nc iic t4 and ex nc iic t4 hazardo u s locations; and nonhazardo u s locations onl...
Page 6
Ni 9472/9474 6 ni.Com caution for zone 2 applications, install a protection device between the v s u p and com terminals on the ni 9472/9474. The device m u st prevent the inp u t v s u p -to-com voltage from exceeding 42 v if there is a transient overvoltage condition. Special conditions for hazard...
Page 7
© national instruments corp. 7 ni 9472/9474 special conditions for marine applications some mod u les 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 certificate, or look for the lloyd’s regis...
Page 8
Ni 9472/9474 8 ni.Com connecting the ni 9472/9474 the ni 9472/9474 provides connections for eight digital o u tp u t channels. Figure 2. Ni 9472/9474 terminal and pin assignments do0 do1 do2 do3 do4 do5 do6 do7 vsup com 0 1 2 3 4 5 6 7 8 9 com vsup com com vsup com com vsup com com vsup com com do0 ...
Page 9
© national instruments corp. 9 ni 9472/9474 the ni 9472/9474 with screw terminal has a 10-terminal, detachable screw-terminal connector. The ni 9472 with dsub has a 25-pin dsub connector. Each channel of the ni 9472/9474 has a terminal or pin, do, to which yo u can connect a device. The eight digita...
Page 10
Ni 9472/9474 10 ni.Com yo u m u st connect an external power s u pply to the ni 9472/9474. This power s u pply provides the c u rrent for the devices yo u connect to the mod u le. Connect the positive lead of the power s u pply to v s u p and the negative lead of the power s u pply to com. The v s u...
Page 11
© national instruments corp. 11 ni 9472/9474 yo u can directly connect the ni 9472/9474 to a variety of ind u strial devices s u ch as solenoids, motors, act u ators, relays, and lamps. Make s u re the devices yo u connect to the ni 9472/9474 are compatible with the o u tp u t specifications of the ...
Page 12
Ni 9472/9474 12 ni.Com increasing current drive each channel of the ni 9472 has a contin u o u s o u tp u t c u rrent of 0.75 a, and each channel of the ni 9474 has a contin u o u s o u tp u t c u rrent of 1 a. If yo u want to increase the o u tp u t c u rrent to a device, yo u can connect any n u m...
Page 13
© national instruments corp. 13 ni 9472/9474 wiring for high-vibration applications if an application u sing the ni 9472/9474 with screw terminal is s u bject to high vibration, national instr u ments recommends that yo u either u se ferr u les to terminate wires to the detachable screw-terminal con...
Page 14
Ni 9472/9474 14 ni.Com i/o protection the ni 9472/9474 is short-circ u it proof in accordance with iec 1131-2 and provides overc u rrent protection. Understanding short-circuit-proof devices each channel on the ni 9472/9474 has circ u itry that protects it from c u rrent s u rges res u lting from sh...
Page 15
© national instruments corp. 15 ni 9472/9474 more information abo u t the maxim u m contin u o u s o u tp u t c u rrent, short-circ u it behavior, and short-circ u it trip time. Yo u also can refer to the iec 1131-2 standard for more information abo u t short-circ u it-proof devices. Tip beca u se t...
Page 16
Ni 9472/9474 16 ni.Com the channel is in an overc u rrent state, meas u re the voltage between do and v s u p . If the voltage is eq u al to the voltage of the external power s u pply connected to the mod u le, the channel is in an overc u rrent state. Resetting channels after an overcurrent conditi...
Page 17
© national instruments corp. 17 ni 9472/9474 typically, when a system is in sleep mode, yo u cannot comm u nicate with the mod u les. In sleep mode, the system cons u mes minimal power and may dissipate less heat than it does in normal mode. Refer to the specifications section for more information a...
Page 18
Ni 9472/9474 18 ni.Com o u tp u t impedance ( r 0 ) typical ........................................ 0.07 Ω maxim u m ................................... 0.13 Ω contin u o u s o u tp u t c u rrent ( i 0 ), per channel ni 9472....................................... 0.75 a max ni 9474....................
Page 19
© national instruments corp. 19 ni 9472/9474 o u tp u t delay time (f u ll load) ni 9472....................................... 100 μ s max ni 9474....................................... 1 μ s max mtbf ni 9472....................................... 1,113,301 ho u rs at 25 °c; bellcore iss u e 2, met...
Page 20
Ni 9472/9474 20 ni.Com thermal dissipation (at 70 °c) active mode ............................... 1.5 w max sleep mode ................................. 55 mw max ni 9474 power requirements power cons u mption from chassis active mode ............................... 660 mw max sleep mode ..............
Page 21
© national instruments corp. 21 ni 9472/9474 ferr u les ............................................. 0.25 mm 2 to 2.5 mm 2 weight ni 9472/9474 with screw terminal ............................ 150 g (5.3 oz) ni 9472 with dsub ................... 145 g (5.1 oz) safety ni 9472/9474 with screw terminal...
Page 22
Ni 9472/9474 22 ni.Com this category refers to local-level electrical distrib u tion, s u ch as that provided by a standard wall o u tlet, for example, 115 v for u.S. Or 230 v for e u rope. Caution do not connect the ni 9472/9474 with screw terminal to signals or u se for meas u rements within meas ...
Page 23
© national instruments corp. 23 ni 9472/9474 s u pply system that powers eq u ipment. This category is for meas u rements of voltages from specially protected secondary circ u its. S u ch voltage meas u rements incl u de signal levels, special eq u ipment, limited-energy parts of eq u ipment, circ u...
Page 24
Ni 9472/9474 24 ni.Com hazardous locations u.S. (ul) .......................................... Class i, division 2, gro u ps a, b, c, d, t4; class i, zone 2, aex nc iic t4 canada (c-ul) ................................. Class i, division 2, gro u ps a, b, c, d, t4; class i, zone 2, ex nc iic t4 e u...
Page 25
© national instruments corp. 25 ni 9472/9474 environmental national instr u ments c series mod u les are intended for indoor u se only b u t may be u sed o u tdoors if installed in a s u itable enclos u re. Refer to the man u al for the chassis yo u are u sing for more information abo u t meeting th...
Page 26
Ni 9472/9474 26 ni.Com shock and vibration to meet these specifications, yo u m u st panel mo u nt the system. If yo u are u sing the ni 9472/9474 with screw terminal, yo u also m u st either affix ferr u les to the ends of the terminal wires or u se the ni 9932 backshell kit to protect the connecti...
Page 27
© national instruments corp. 27 ni 9472/9474 note for emc compliance, operate this device with shielded cabling. Ce compliance this prod u ct meets the essential req u irements of applicable e u ropean directives, as amended for ce markings, as follows: • 2006/95/ec; low-voltage directive (safety) •...
Page 28
Ni 9472/9474 28 ni.Com environmental management national instr u ments is committed to designing and man u fact u ring prod u cts in an environmentally responsible manner. Ni recognizes that eliminating certain hazardo u s s u bstances from o u r prod u cts is beneficial not only to the environment ...
Page 29
© national instruments corp. 29 ni 9472/9474 where to go for support the national instr u ments web site is yo u r complete reso u rce for technical s u pport. At ni.Com/ s upport yo u have access to everything from tro u bleshooting and application development self-help reso u rces to email and pho...
Page 30
Ni 9472/9474 30 ni.Com telephone s u pport o u tside the united states, contact yo u r local branch office: a u stralia 1800 300 800, a u stria 43 662 457990-0, belgi u m 32 (0) 2 757 0020, brazil 55 11 3262 3599, canada 800 433 3488, china 86 21 5050 9800, czech rep u blic 420 224 235 774, denmark ...
Page 31
© 2003–2008 national instruments corp. All rights reserved. 373509e-01 may08 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...