Page 2 - Note
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...
Page 3 - Safety Guidelines; Hot Surface; Safety Guidelines for Hazardous Voltages; not; Caution
© 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...
Page 4 - Safety Guidelines for Hazardous Locations
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 L...
Page 5 - Special Conditions for Hazardous Locations Use in Europe
© 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...
Page 6 - Special Conditions for Marine Applications
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...
Page 7 - ltaneo
© 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 DI16DI17DI18DI19DI20DI21DI22DI23COMC...
Page 8 - Specifications
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...
Page 10 - Sleep Mode; erie
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...
Page 11 - Input Characteristics
© 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 ...........
Page 13 - Power Requirements
© 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...
Page 14 - Safety; Safety Voltages; MAINS
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 .................... NoneChannel-to-earth gro u nd Contin u o u s ........
Page 15 - Hazardous Locations
© 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...
Page 16 - Electromagnetic Compatibility; Online Product Certification
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 ...
Page 17 - CE Compliance; certification; Shock and Vibration
© 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) ...
Page 18 - Environmental
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 s...
Page 19 - Environmental Management; NI and the; Waste Electrical and Electronic Equipment (WEEE); EU Customers; must
© 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...
Page 20 - Where to Go for Support; upport; ⬉ᄤֵᙃѻક∵ᵻࠊᄣ⧚ࡲ⊩ ˄Ё; RoHS; Ёᅶ᠋; ヺড়Ё⬉ᄤֵᙃ; National Instruments; ড়㾘ᗻֵᙃˈ䇋ⱏᔩ; about China RoHS compliance, go to; environmen
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...
Page 21 - telephone s
© 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 ...