National Instruments Network Card NI 9403 User Manual

OPERATING INSTRUCTIONS AND SPECIFICATIONS  
NI 9403  
32-Channel, TTL Digital Input/Output Module  
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Safety Guidelines  
Operate the NI 9403 only as described in these operating  
instructions.  
Hot Surface This icon denotes that the component may be  
hot. Touching this component may result in bodily injury.  
Safety Guidelines for Hazardous Locations  
The NI 9403 is suitable for use in Class I, Division 2, Groups A, B,  
C, D, T4 hazardous locations; Class I, Zone 2, AEx nA IIC T4, and  
Ex nA IIC T4 hazardous locations; and nonhazardous locations  
only. Follow these guidelines if you are installing the NI 9403 in a  
potentially explosive environment. Not following these guidelines  
may result in serious injury or death.  
Caution Do not disconnect I/O-side wires or connectors  
unless power has been switched off or the area is known  
to be nonhazardous.  
Caution Do not remove modules unless power has been  
switched off or the area is known to be nonhazardous.  
© National Instruments Corp.  
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NI 9403 Operating Instructions and Specifications  
 
Caution Substitution of components may impair  
suitability for Class I, Division 2.  
Caution For Zone 2 applications, install the system  
in an enclosure rated to at least IP 54 as defined by  
IEC 60529 and EN 60529.  
Caution For Zone 2 applications, connected signals must  
be within the following limit:  
Capacitance..........................0.02 μF max  
Special Conditions for Hazardous Locations Use in Europe  
This equipment has been evaluated as Ex nA IIC T4 equipment  
under DEMKO Certificate No. 07 ATEX 0626664X. Each module  
is marked  
II 3G and is suitable for use in Zone 2 hazardous  
locations. If you are using the NI 9403 in Gas Group IIC hazardous  
locations or in ambient temperatures of –40 °C Ta 70 °C, you  
must use the device in an NI chassis that has been evaluated as  
EEx nC IIC T4, Ex nA IIC T4, or Ex nL IIC T4 equipment.  
NI 9403 Operating Instructions and Specifications  
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Special Conditions for Marine Applications  
Some modules 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 Register mark on the module.  
Caution To meet radio frequency emission requirements  
for marine applications, use shielded cables and install  
the system in a metal enclosure. Suppression ferrites  
must be installed on power supply inputs near power  
entries to modules and controllers. Power supply and  
module cables must be separated on opposite sides of the  
enclosure and must enter and exit through opposing  
enclosure walls.  
© National Instruments Corp.  
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NI 9403 Operating Instructions and Specifications  
 
Connecting the NI 9403  
The NI 9403 has a 37-pin DSUB connector that provides  
connections for the 32 digital input/output channels.  
1
2
3
4
5
6
7
8
9
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
DIO0  
DIO1  
DIO2  
DIO3  
DIO4  
DIO5  
DIO6  
DIO7  
COM  
COM  
DIO8  
DIO9  
DIO10  
DIO11  
DIO12  
DIO13  
DIO14  
DIO15  
RSVD  
DIO16  
DIO17  
DIO18  
DIO19  
DIO20  
DIO21  
DIO22  
DIO23  
COM  
20  
21  
22  
23  
24  
25  
26  
27  
28  
29  
30  
31  
32  
33  
34  
35  
36  
37  
COM  
DIO24  
DIO25  
DIO26  
DIO27  
DIO28  
DIO29  
DIO30  
DIO31  
Figure 1. NI 9403 Pin Assignments  
NI 9403 Operating Instructions and Specifications  
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Each channel has a DIO pin to which you can connect a digital  
input or output device. The 32 DIO channels are internally  
referenced to COM, so you can use any of the four COM lines as a  
reference for the external signal.  
You can independently configure each DIO channel in software for  
input or output. The DIO channels have Schmitt trigger inputs and  
are compatible with 5 V TTL logic devices. Each input channel has  
hysteresis for improved performance with noisy and  
non-monotonic input signals. Each channel also has a pull-down  
resistor and includes overvoltage, overcurrent, and short-circuit  
protection. Refer to the Specifications section for more information  
about input thresholds and overvoltage protection. Refer to the  
Overcurrent/Short-Circuit Protection section for more  
information about overcurrent and short-circuit protection.  
© National Instruments Corp.  
7
NI 9403 Operating Instructions and Specifications  
 
Refer to Figure 2 for an illustration of several types of digital  
devices connected to the NI 9403.  
DIO0 as Input  
TTL Signal  
Dev 1  
DIO1 as Input  
COM  
+5 V  
Dev 2  
+5 V  
LED  
DIO2 as Output  
Dev 3  
NI 9403  
Figure 2. Connecting Digital Devices to the NI 9403  
NI 9403 Operating Instructions and Specifications  
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Overcurrent/Short-Circuit Protection  
The overcurrent protection allows only a specified amount of  
current through the output channels to protect the NI 9403 from  
short circuits. If the NI 9403 goes into an overcurrent state, the  
module sets all the DIO channels to high impedance for  
approximately 280 milliseconds. When the channels are in this  
state, the NI 9403 can accept new line direction configuration and  
output state data but cannot pass valid input data to the software.  
After the protection period, the NI 9403 automatically recovers to  
the latest direction configuration and output state. If the  
overcurrent condition still exists, the module again sets the  
channels to high impedance. This cycle continues until the  
overcurrent condition is removed. Refer to the Specifications  
section for more information about the maximum output current.  
Sleep Mode  
This module supports a low-power sleep mode. Support for sleep  
mode at the system level depends on the chassis that the module is  
plugged into. Refer to the chassis manual for information about  
support for sleep mode. If the chassis supports sleep mode, refer to  
the software help for information about enabling sleep mode. Visit  
© National Instruments Corp.  
9
NI 9403 Operating Instructions and Specifications  
 
 
ni.com/info and enter cseriesdoc for information about  
C Series documentation.  
Typically, when a system is in sleep mode, you cannot  
communicate with the modules. In sleep mode, the system  
consumes minimal power and may dissipate less heat than it does  
in normal mode. Refer to the Specifications section for more  
information about power consumption and thermal dissipation.  
Specifications  
The following specifications are typical for the range –40 to 70 °C  
unless otherwise noted. All voltages are relative to COM unless  
otherwise noted.  
Input/Output Characteristics  
Number of channels..........................32 DIO channels  
Input/output type...............................TTL, single-ended  
Default power-on line direction........Input  
NI 9403 Operating Instructions and Specifications  
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Digital logic levels  
Input  
Voltage .................................0.25 to 5.25 V  
High, VIH..............................2.2 V min  
Low, VIL ...............................0.8 V max  
Hysteresis, VH......................0.2 V min  
Output  
High, VOH.............................5.2 V max  
Sourcing 100 μA ...........4.75 V min  
Sourcing 2 mA...............4.4 V min  
Low, VOL  
Sinking 100 μA .............0.1 V max  
Sinking 2 mA.................0.26 V max  
Input current (0 V Vin 4.5 V)...... 250 μA max  
Module output current1.....................64 mA max  
Input capacitance ..............................30 pF  
1 Module output current is the maximum guaranteed current that the module can drive  
from all the I/O lines without going into an overcurrent state.  
© National Instruments Corp.  
11 NI 9403 Operating Instructions and Specifications  
 
Timing  
Input  
Setup time1...........................10 ns min  
Hold time2 ............................60 ns min  
Output  
Propagation delay3 ...............330 ns max  
Channel-to-channel skew4 ...265 ns max  
1 Setup time is the amount of time input signals must be stable before reading from the  
module.  
2
Hold time is the amount of time input signals must be stable after initiating a read  
from the module.  
3
Propagation delay is the amount of time after writing to the module that the output  
signals become valid.  
4
Channel-to-channel skew is the amount of time between the first output signal  
updating and the last output signal updating.  
NI 9403 Operating Instructions and Specifications  
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Update/transfer time1  
cRIO-9151 R Series  
Expansion chassis ................8 μS max  
All other chassis...................7 μS max  
Direction change time1 ...............18 μS max  
Overvoltage protection  
Channel-to-COM.............................. 30 V max on up to  
8 channels at a time;  
however, continued use at  
this level will degrade the life  
of the module.  
1 The update/transfer and direction change times are valid when the module is used in  
a CompactRIO system. When used in other systems, driver software and system  
latencies impact these times.  
© National Instruments Corp.  
13 NI 9403 Operating Instructions and Specifications  
 
MTBF ...............................................763,325 hours at 25 °C;  
Bellcore Issue 2, Method 1,  
Case 3, Limited Part Stress  
Method  
Note Contact NI for Bellcore MTBF specifications  
at other temperatures or for MIL-HDBK-217F  
specifications.  
Power Requirements  
Power consumption from chassis  
Active mode ...............................1 W max  
Sleep mode .................................25 μW max  
Thermal dissipation (at 70 °C)  
Active mode ...............................1 W max  
Sleep mode .................................25 μW max  
Physical Characteristics  
If you need to clean the module, wipe it with a dry towel.  
Weight...............................................150 g (5.3 oz)  
NI 9403 Operating Instructions and Specifications  
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Safety  
Safety Voltages  
Connect only voltages that are within the following limits.  
Channel-to-COM.............................. 30 V max on up to  
8 channels at a time,  
Measurement Category I  
Isolation  
Channel-to-channel ....................None  
Channel-to-earth ground  
Continuous...........................60 VDC,  
Measurement Category I  
Withstand .............................1,000 Vrms, verified by a 5 s  
dielectric withstand test  
Measurement Category I is for measurements performed on  
circuits not directly connected to the electrical distribution system  
referred to as MAINS voltage. MAINS is a hazardous live electrical  
supply system that powers equipment. This category is for  
measurements of voltages from specially protected secondary  
circuits. Such voltage measurements include signal levels, special  
© National Instruments Corp.  
15 NI 9403 Operating Instructions and Specifications  
 
equipment, limited-energy parts of equipment, circuits powered by  
regulated low-voltage sources, and electronics.  
Caution Do not connect the NI 9403 to signals or use for  
measurements within Measurement Categories II,  
III, or IV.  
Safety Standards  
This product is designed to meet the requirements of the following  
standards of safety for electrical equipment for measurement,  
control, and laboratory use:  
IEC 61010-1, EN 61010-1  
UL 61010-1, CSA 61010-1  
Note For UL and other safety certifications, refer to the  
product label or visit ni.com/certification, search  
by module number or product line, and click the  
appropriate link in the Certification column.  
NI 9403 Operating Instructions and Specifications  
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Hazardous Locations  
U.S. (UL) ..........................................Class I, Division 2,  
Groups A, B, C, D, T4;  
Class I, Zone 2,  
AEx nA IIC T4  
Canada (C-UL) .................................Class I, Division 2,  
Groups A, B, C, D, T4;  
Class I, Zone 2,  
Ex nA IIC T4  
Europe (DEMKO).............................Ex nA IIC T4  
Environmental  
National Instruments C Series modules are intended for indoor use  
only but may be used outdoors if installed in a suitable enclosure.  
Refer to the manual for the chassis you are using for more  
information about meeting these specifications.  
Operating temperature  
(IEC 60068-2-1, IEC 60068-2-2) .....40 to 70 °C  
Storage temperature  
(IEC 60068-2-1, IEC 60068-2-2) .....40 to 85 °C  
Ingress protection..............................IP 40  
© National Instruments Corp.  
17 NI 9403 Operating Instructions and Specifications  
 
Operating humidity  
(IEC 60068-2-56)..............................10 to 90% RH,  
noncondensing  
Storage humidity  
(IEC 60068-2-56)..............................5 to 95% RH,  
noncondensing  
Maximum altitude.............................2,000 m  
Pollution Degree (IEC 60664)..........2  
Shock and Vibration  
To meet these specifications, you must panel mount the system.  
Operating vibration  
Random (IEC 60068-2-64).........5 grms, 10 to 500 Hz  
Sinusoidal (IEC 60068-2-6) .......5 g, 10 to 500 Hz  
Operating shock  
(IEC 60068-2-27)..............................30 g, 11 ms half sine,  
50 g, 3 ms half sine,  
18 shocks at 6 orientations  
NI 9403 Operating Instructions and Specifications  
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Electromagnetic Compatibility  
This product is designed to meet the requirements of the following  
standards of EMC for electrical equipment for measurement,  
control, and laboratory use:  
EN 61326 EMC requirements; Industrial Immunity  
EN 55011 Emissions; Group 1, Class A  
CE, C-Tick, ICES, and FCC Part 15 Emissions; Class A  
Note For EMC compliance, operate this device with  
shielded cabling.  
CE Compliance  
This product meets the essential requirements of applicable  
European directives, as amended for CE markings, as follows:  
2006/95/EC; Low-Voltage Directive (safety)  
2004/108/EC; Electromagnetic Compatibility Directive  
(EMC)  
Note Refer to the Declaration of Conformity (DoC) for  
this product for any additional regulatory compliance  
information. To obtain the DoC for this product, visit  
© National Instruments Corp.  
19 NI 9403 Operating Instructions and Specifications  
 
ni.com/certification, search by module number or  
product line, and click the appropriate link in the  
Certification column.  
Environmental Management  
National Instruments is committed to designing and manufacturing  
products in an environmentally responsible manner. NI recognizes  
that eliminating certain hazardous substances from our products is  
beneficial not only to the environment but also to NI customers.  
For additional environmental information, refer to the NI and the  
Environment Web page at ni.com/environment. This page  
contains the environmental regulations and directives with which  
NI complies, as well as other environmental information not  
included in this document.  
Waste Electrical and Electronic Equipment (WEEE)  
EU Customers At the end of their life cycle, all products  
must be sent to a WEEE recycling center. For more  
information about WEEE recycling centers and National  
Instruments WEEE initiatives, visit ni.com/  
environment/weee.htm.  
NI 9403 Operating Instructions and Specifications  
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about China RoHS compliance, go to  
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Where to Go for Support  
The National Instruments Web site is your complete resource for  
technical support. At ni.com/support you have access to  
everything from troubleshooting and application development  
self-help resources to email and phone assistance from  
NI Application Engineers.  
National Instruments corporate headquarters is located at  
11500 North Mopac Expressway, Austin, Texas, 78759-3504.  
National Instruments also has offices located around the world to  
help address your support needs. For telephone support in the  
United States, create your service request at ni.com/support  
and follow the calling instructions or dial 512 795 8248. For  
© National Instruments Corp.  
21 NI 9403 Operating Instructions and Specifications  
 
telephone support outside the United States, contact your local  
branch office:  
Australia 1800 300 800, Austria 43 662 457990-0,  
Belgium 32 (0) 2 757 0020, Brazil 55 11 3262 3599,  
Canada 800 433 3488, China 86 21 5050 9800,  
Czech Republic 420 224 235 774, Denmark 45 45 76 26 00,  
Finland 358 (0) 9 725 72511, France 01 57 66 24 24,  
Germany 49 89 7413130, India 91 80 41190000,  
Israel 972 3 6393737, Italy 39 02 41309277, Japan 0120-527196,  
Korea 82 02 3451 3400, Lebanon 961 (0) 1 33 28 28,  
Malaysia 1800 887710, Mexico 01 800 010 0793,  
Netherlands 31 (0) 348 433 466, New Zealand 0800 553 322,  
Norway 47 (0) 66 90 76 60, Poland 48 22 3390150,  
Portugal 351 210 311 210, Russia 7 495 783 6851,  
Singapore 1800 226 5886, Slovenia 386 3 425 42 00,  
South Africa 27 0 11 805 8197, Spain 34 91 640 0085,  
Sweden 46 (0) 8 587 895 00, Switzerland 41 56 2005151,  
Taiwan 886 02 2377 2222, Thailand 662 278 6777,  
Turkey 90 212 279 3031, United Kingdom 44 (0) 1635 523545  
NI 9403 Operating Instructions and Specifications  
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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 and company names mentioned herein are trademarks or trade names of their respective companies.  
For patents covering National Instruments products, refer to the appropriate location: Help»Patents in your software,  
the patents.txt file on your media, or ni.com/patents.  
© 2007–2008 National Instruments Corp. All rights reserved.  
374069E-01  
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