Page 2 - Note
NI 9401 Operating Instructions and Specifications 2 ni.com This doc u ment describes how to u se the National Instr u ments 9401 and incl u des specifications and pin assignments for the NI 9401. 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 Locations; not; not
© National Instruments Corp. 3 NI 9401 Operating Instructions and Specifications Safety Guidelines Operate the NI 9401 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 - Special Conditions for Hazardous Locations Use in Europe
NI 9401 Operating Instructions and Specifications 4 ni.com Caution S u bstit u tion of components may impair s u itability for Class I, Division 2. 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 a...
Page 5 - Special Conditions for Marine Applications
© National Instruments Corp. 5 NI 9401 Operating Instructions and Specifications 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 certi...
Page 6 - tp
NI 9401 Operating Instructions and Specifications 6 ni.com Connecting the NI 9401 The NI 9401 has a 25-pin DSUB connector that provides connections for eight digital inp u t/o u tp u t channels. Figure 1. NI 9401 Pin Assignments COMNCCOMCOMNCCOMCOMNCCOMCOMNCCOMCOM DIO0NCDIO1DIO2NCDIO3DIO4NCDIO5DIO6N...
Page 7 - Specifications
© National Instruments Corp. 7 NI 9401 Operating Instructions and Specifications Each channel has a DIO pin to which yo u can connect a digital inp u t or o u tp u t device. The eight DIO channels are internally referenced to COM, so yo u can u se any of the nine COM lines as a reference for the ext...
Page 9 - Fig
© National Instruments Corp. 9 NI 9401 Operating Instructions and Specifications Fig u re 3 ill u strates how to connect several types of digital devices to the NI 9401. Figure 3. Connecting Digital Devices to the NI 9401 TTL S ignal +5 V +5 V LED DIO0 as Inp u t DIO1 as Inp u t COM DIO7 as O u tp u...
Page 10 - Overcurrent Protection
NI 9401 Operating Instructions and Specifications 10 ni.com Overcurrent Protection Overc u rrent protection on the NI 9401 allows only a specified amo u nt of c u rrent for switching DIO channels or so u rcing the o u tp u t load. If the NI 9401 goes into an overc u rrent state, by exceeding the spe...
Page 11 - Sleep Mode
© National Instruments Corp. 11 NI 9401 Operating Instructions and Specifications 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...
Page 12 - Input/Output Characteristics
NI 9401 Operating Instructions and Specifications 12 ni.com 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/Output Characteristics N u mber of channels ..........................
Page 13 - Digital logic levels; So
© National Instruments Corp. 13 NI 9401 Operating Instructions and Specifications Digital logic levels Inp u t Voltage ................................. 5.25 V maxHigh, V IH .............................. 2 V min Low, V IL ............................... 0.8 V max O u tp u t High, V OH ................
Page 15 - Power Requirements
© National Instruments Corp. 15 NI 9401 Operating Instructions and Specifications MTBF ............................................... 1,244,763 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 16 - Safety; Maximum Voltage; MAINS
NI 9401 Operating Instructions and Specifications 16 ni.com Safety Maximum Voltage 1 Connect only voltages that are within the following limits. Channel-to-COM .............................. ±30 V max on one channel at a time, Meas u rement Category I Isolation Voltages Channel-to-channel .............
Page 17 - Safety Standards
© National Instruments Corp. 17 NI 9401 Operating Instructions and Specifications 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, limite...
Page 18 - Hazardous Locations; Environmental
NI 9401 Operating Instructions and Specifications 18 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, ...
Page 19 - Shock and Vibration
© National Instruments Corp. 19 NI 9401 Operating Instructions and Specifications Operating h u midity (IEC 60068-2-56).............................. 10 to 90% RH, noncondensing Storage h u midity (IEC 60068-2-56).............................. 5 to 95% RH, noncondensing Maxim u m altit u de............
Page 20 - Electromagnetic Compatibility; CE Compliance
NI 9401 Operating Instructions and Specifications 20 ni.com Electromagnetic Compatibility This prod u ct is designed to meet the req u irements of the following standards of EMC for electrical eq u ipment for meas u rement, control, and laboratory u se: • EN 61326 EMC req u irements; Ind u strial Im...
Page 21 - Environmental Management; NI and the; Waste Electrical and Electronic Equipment (WEEE); EU Customers; must
© National Instruments Corp. 21 NI 9401 Operating Instructions and Specifications ni.com/certification , search by mod u le n u mber or prod u ct line, and click the appropriate link in the Certification col u mn. Environmental Management National Instr u ments is committed to designing and man u fa...
Page 22 - Where to Go for Support; ⬉ᄤֵᙃѻક∵ᵻࠊᄣ⧚ࡲ⊩ ˄Ё; RoHS; National Instruments; about China RoHS compliance, go to
NI 9401 Operating Instructions and Specifications 22 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 23 - telephone s
© National Instruments Corp. 23 NI 9401 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 ...
