Page 2 - Note
NI 9475 Operating Instructions and Specifications 2 ni.com This doc u ment describes how to u se the National Instr u ments 9475 and incl u des specifications and pin assignments for the NI 9475. 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 9475 Operating Instructions and Specifications Safety Guidelines Operate the NI 9475 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 9475 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 9475 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 9475 Operating Instructions and Specifications 6 ni.com Connecting the NI 9475 The NI 9475 has a 25-pin DSUB connector that provides connections for eight digital o u tp u t channels. Figure 1. NI 9475 Pin Assignments COMVsupCOMCOMVsupCOMCOMVsupCOMCOMVsupCOMCOM DO0VsupDO1DO2VsupDO3DO4VsupDO5DO6Vs...
Page 7 - Specifications
© National Instruments Corp. 7 NI 9475 Operating Instructions and Specifications Each channel of the NI 9475 has a DO pin to which yo u can connect a device. Each channel also has a COM pin and a V s u p pin. National Instr u ments recommends yo u provide independent COM and V s u p wiring for each ...
Page 9 - Increasing Current Drive
© National Instruments Corp. 9 NI 9475 Operating Instructions and Specifications Increasing Current Drive Each channel 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 mber of channels together in parallel. For ...
Page 10 - Understanding Short-Circuit-Proof Devices
NI 9475 Operating Instructions and Specifications 10 ni.com I/O Protection The NI 9475 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 9475 has circ u itry that protects it from c u rrent s...
Page 11 - Tip; Power Supplies and Overcurrent Conditions; Detecting an Overcurrent Condition
© National Instruments Corp. 11 NI 9475 Operating Instructions and Specifications Higher inr u sh c u rrents that exist for less than the trip time do not trip the protection circ u itry. Refer to the Specifications section for more information abo u t the maxim u m contin u o u s o u tp u t c u rre...
Page 12 - Resetting Channels After an Overcurrent Condition; Sleep Mode
NI 9475 Operating Instructions and Specifications 12 ni.com overc u rrent condition occ u rs. A channel LED may be on even if the channel is off beca u se of an overc u rrent condition. To determine if the channel is in an overc u rrent state, meas u re the voltage between DO and V s u p . If the vo...
Page 13 - Output Characteristics
© National Instruments Corp. 13 NI 9475 Operating Instructions and Specifications s u pport for sleep mode. Refer to the software help for information abo u t enabling sleep mode. Visit ni.com/info and enter c s erie s doc for information abo u t C Series doc u mentation. Typically, when a system is...
Page 14 - Current
NI 9475 Operating Instructions and Specifications 14 ni.com O u tp u t impedance ( R 0 ) ..................... 0.14 Ω max Contin u o u s o u tp u t c u rrent ( I 0 ), per channel ........................................ 1 A max O u tp u t voltage .................................. V sup – ( I 0 · R ...
Page 15 - Power Requirements
© National Instruments Corp. 15 NI 9475 Operating Instructions and Specifications MTBF ............................................... 1,096,296 ho u rs at 25 °C; Bellcore Iss u e 6, 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 9475 Operating Instructions and Specifications 16 ni.com Safety Maximum Voltage 1 Connect only voltages that are within the following limits. V s u p -to-COM..................................... 60 VDC, Meas u rement Category I Meas u rement Category I is for meas u rements performed on circ u it...
Page 17 - Isolation Voltages; Safety Standards
© National Instruments Corp. 17 NI 9475 Operating Instructions and Specifications Isolation Voltages Channel-to-channel ........................... No isolation between channels Channel-to-earth gro u nd Contin u o u s ................................. 60 VDC, Meas u rement Category I Withstand........
Page 18 - Hazardous Locations; Environmental
NI 9475 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 nA IIC T4 Canada (C-UL) ................................. Class I, Division 2, Gro u ps A, B, C, D, T...
Page 19 - Shock and Vibration
© National Instruments Corp. 19 NI 9475 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 9475 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
© National Instruments Corp. 21 NI 9475 Operating Instructions and Specifications Note Refer to the Declaration of Conformity (DoC) for this prod u ct for any additional reg u latory compliance information. To obtain the DoC for this prod u ct, visit ni.com/certification , search by mod u le n u mbe...
Page 22 - Waste Electrical and Electronic Equipment (WEEE); EU Customers; must; RoHS; National Instruments; about China RoHS compliance, go to
NI 9475 Operating Instructions and Specifications 22 ni.com Waste Electrical and Electronic Equipment (WEEE) EU Customers At the end of their life cycle, all prod u cts must be sent to a WEEE recycling center. For more information abo u t WEEE recycling centers and National Instr u ments WEEE initia...
Page 23 - Where to Go for Support
© National Instruments Corp. 23 NI 9475 Operating Instructions and Specifications 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 s...
