Operating instructions and specifications ni 9425 32-channel, 24 v sinking digital input module ni.Com/manuals deutsch français.
Ni 9425 operating instructions and specifications 2 ni.Com this doc u ment describes how to u se the national instr u ments 9425 and incl u des specifications and pin assignments for the ni 9425. Visit ni.Com/info and enter rd s oftwarever s ion to determine which software yo u need for the mod u le...
© national instruments corp. 3 ni 9425 operating instructions and specifications safety guidelines operate the ni 9425 only as described in these operating instr u ctions. 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 g...
Ni 9425 operating instructions and specifications 4 ni.Com caution when mod u le terminals are hazardo u s voltage live (>42.4 v pk /60 vdc), yo u m u st ens u re that devices and circ u its connected to the mod u le are properly ins u lated from h u man contact. Safety guidelines for hazardous loca...
© national instruments corp. 5 ni 9425 operating instructions and specifications caution for zone 2 applications, install the system in an enclos u re rated to at least ip 54 as defined by iec 60529 and en 60529. Caution for zone 2 applications, connected signals m u st be within the following limit...
Ni 9425 operating instructions and specifications 6 ni.Com 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 th...
© national instruments corp. 7 ni 9425 operating instructions and specifications connecting the ni 9425 the ni 9425 has a 37-pin dsub connector that provides connections for 32 sim u ltaneo u sly-sampled digital inp u t channels. Figure 1. Ni 9425 pin assignments di16 di17 di18 di19 di20 di21 di22 d...
Ni 9425 operating instructions and specifications 8 ni.Com each channel has a di pin to which yo u can connect a digital inp u t signal. The ni 9425 has fo u r common pins, com, that are internally connected to the isolated reference of the mod u le. The ni 9425 has sinking inp u ts, meaning that wh...
© national instruments corp. 9 ni 9425 operating instructions and specifications figure 2. Connecting a device to the ni 9425 (three-wire device shown) the ni 9425 channel registers as on when the so u rcing-o u tp u t device applies a voltage or drives a c u rrent that is in the inp u t on range to...
Ni 9425 operating instructions and specifications 10 ni.Com sleep mode this mod u le s u pports a low-power sleep mode. S u pport for sleep mode at the system level depends on the chassis that the mod u le is pl u gged into. Refer to the chassis man u al for information abo u t s u pport for sleep m...
© national instruments corp. 11 ni 9425 operating instructions and specifications specifications the following specifications are typical for the range –40 to 70 °c u nless otherwise noted. All voltages are relative to com u nless otherwise noted. Input characteristics n u mber of channels.............
Ni 9425 operating instructions and specifications 12 ni.Com i/o protection inp u t voltage 8 channels ............................ 60 vdc max 32 channels .......................... 30 vdc max reverse-biased voltage 8 channels ............................ –60 vdc max 32 channels ........................
© national instruments corp. 13 ni 9425 operating instructions and specifications mtbf ............................................... 1,256,699 ho u rs at 25 °c; bellcore iss u e 2, method 1, case 3, limited part stress method note contact ni for bellcore mtbf specifications at other temperat u res...
Ni 9425 operating instructions and specifications 14 ni.Com safety safety voltages connect only voltages that are within the following limits. Channel-to-com .............................. 60 vdc max isolation channel-to-channel .................... None channel-to-earth gro u nd contin u o u s .......
© national instruments corp. 15 ni 9425 operating instructions and specifications caution do not connect the ni 9425 to signals or u se for meas u rements within meas u rement categories ii, iii, or iv. Hazardous locations u.S. (ul) .......................................... Class i, division 2, gro...
Ni 9425 operating instructions and specifications 16 ni.Com note for ul and other safety certifications, refer to the prod u ct label or the online product certification section. Electromagnetic compatibility this prod u ct meets the req u irements of the following emc standards for electrical eq u ...
© national instruments corp. 17 ni 9425 operating instructions and specifications ce compliance this prod u ct meets the essential req u irements of applicable e u ropean directives as follows: • 2006/95/ec; low-voltage directive (safety) • 2004/108/ec; electromagnetic compatibility directive (emc) ...
Ni 9425 operating instructions and specifications 18 ni.Com operating shock (iec 60068-2-27).............................. 30 g, 11 ms half sine, 50 g, 3 ms half sine, 18 shocks at 6 orientations environmental national instr u ments c series mod u les are intended for indoor u se only b u t may be u...
© national instruments corp. 19 ni 9425 operating instructions and specifications maxim u m altit u de............................. 2,000 m poll u tion degree (iec 60664) .......... 2 environmental management ni is committed to designing and man u fact u ring prod u cts in an environmentally respons...
Ni 9425 operating instructions and specifications 20 ni.Com 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 t...
© national instruments corp. 21 ni 9425 operating instructions and specifications 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 ...
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