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NI 9403E Operating Instructions and Specifications

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Connecting the NI 9403E

The NI 9403E has a 37-pin DSUB connector that provides 
connections for the 32 digital input/output channels.

Figure 2.  

NI 9403E Pin Assignments

DIO16
DIO17
DIO18
DIO19
DIO20
DIO21
DIO22
DIO23
COM
COM
DIO24
DIO25
DIO26
DIO27
DIO28
DIO29
DIO30
DIO31

DIO0
DIO1
DIO2
DIO3
DIO4
DIO5
DIO6
DIO7
COM
COM
DIO8
DIO9
DIO10
DIO11
DIO12
DIO13
DIO14
DIO15
RSVD

1
2
3
4
5
6
7
8
9

10
11
12
13
14
15
16
17
18
19

20
21
22
23
24
25
26
27
28
29
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37

Summary of Contents for NI 9403E

Page 1: ...OPERATING INSTRUCTIONS AND SPECIFICATIONS NI 9403E 32 Channel TTL Digital Input Output Module...

Page 2: ...r information about installing configuring and programming the system refer to the system documentation Visit ni com info and enter cseriesdoc for information about C Series documentation Caution Nati...

Page 3: ...403E Operating Instructions and Specifications NI 9403E Dimensions The following figure shows the dimensions of the NI 9403E Figure 1 NI 9403E Dimensions in Millimeters Inches 73 4 2 89 0 0 0 00 26 7...

Page 4: ...ital input output channels Figure 2 NI 9403E Pin Assignments DIO16 DIO17 DIO18 DIO19 DIO20 DIO21 DIO22 DIO23 COM COM DIO24 DIO25 DIO26 DIO27 DIO28 DIO29 DIO30 DIO31 DIO0 DIO1 DIO2 DIO3 DIO4 DIO5 DIO6...

Page 5: ...e 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...

Page 6: ...i com Refer to Figure 3 for an illustration of several types of digital devices connected to the NI 9403E Figure 3 Connecting Digital Devices to the NI 9403E TTL Signal 5 V 5 V LED DIO0 as Input DIO1...

Page 7: ...input data to the software After the protection period the NI 9403E automatically recovers to the latest direction configuration and output state If the overcurrent condition still exists the module...

Page 8: ...ower 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 speci...

Page 9: ...2 V min Output High VOH 5 2 V max Sourcing 100 A 4 75 V min Sourcing 2 mA 4 4 V min Low VOL Sinking 100 A 0 1 V max Sinking 2 mA 0 26 V max Input current 0 V Vin 4 5 V 250 A max Module output current...

Page 10: ...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...

Page 11: ...x Direction change time1 18 S 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 tran...

Page 12: ...ethod 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 A...

Page 13: ...dry towel Weight 47 g 1 7 oz 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 C...

Page 14: ...lude signal levels special equipment limited energy parts of equipment circuits powered by regulated low voltage sources and electronics Caution Do not connect the NI 9403E to signals or use for measu...

Page 15: ...lick the appropriate link in the Certification column Environmental National Instruments C Series modules are intended for indoor use only but may be used outdoors if installed in a suitable enclosure...

Page 16: ...responsible manner NI recognizes that eliminating certain hazardous substances from our products is beneficial to the environment and to NI customers For additional environmental information refer to...

Page 17: ...he 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 RoHS Nation...

Page 18: ...nal 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 cal...

Page 19: ...nts products refer to the appropriate location Help Patents in your software the patents txt file on your media or ni com patents Korea 82 02 3451 3400 Lebanon 961 0 1 33 28 28 Malaysia 1800 887710 Me...

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