National Instruments NI 9403 User Manual

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OPERATING INSTRUCTIONS AND SPECIFICATIONS

NI 9403

32-Channel, TTL Digital Input/Output Module

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This document describes how to use the National Instruments 9403 and includes specifications and pin assignments for the NI 9403. Vis it ni.com/info and enter rdsoftwareversion to determine which software you need for the modules you are using. For information about installing, configuring, and programming the system, refer to the system documentation. Visit and enter

cseriesdoc for information about C Series

ni.com/info

documentation.

Note The safety guidelines and specifications in this

document are specific to the NI 9403. The other components in the system might not meet the same safety ratings and specifications. Refer to the documentation for each component in the system to determine the safety ratings and specifications for the entire system. Visit

ni.com/info and enter cseriesdoc for information

about C Series documentation.

NI 9403 Operating Instructions and Specifications 2 ni.com

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 haza rdous 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.

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 4 ni.com

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.

Connecting the NI 9403

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

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

20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37

Figure 1. NI 9403 Pin Assignments

NI 9403 Operating Instructions and Specifications 6 ni.com

DIO0

DIO1

DIO2

DIO3

DIO4

DIO5

DIO6

DIO7

COM

DIO8

DIO9

DIO10

DIO11

DIO12

DIO13

DIO14

DIO15

RSVD

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.

Yo u 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.

Refer to Figure 2 for an illustration of several types of digital devices connected to the NI 9403.

DIO0 as Input

Dev 1

+5 V

Dev 2

+5 V

LED

Dev 3

Figure 2. Connecting Digital Devices to the NI 9403

NI 9403 Operating Instructions and Specifications 8 ni.com

TTL Signal

DIO1 as Input

COM

DIO2 as Output

NI 9403

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

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 10 ni.com

Digital logic levels

Input

Voltage ................................. –0.25

High, V

Low, V

Hysteresis, V

..............................2.2 V min

............................... 0.8 V max

...................... 0.2 V min

to 5.25 V

Output

High, V

.............................5.2 V max

Sourcing 100 μA ........... 4.75 V min

Sourcing 2 mA............... 4.4 V min

Low, V

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

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.

Timing

Input

Setup time

Hold time

...........................10 ns min

............................60 ns min

Output

Propagation delay

Channel-to-channel skew

Setup time is the amount of time input signals must be stable before reading from the module.

Hold time is the amount of time input signals must be stable after initiating a read from the module.

Propagation delay is the amount of time after writing to the module that the output signals become valid.

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 12 ni.com

............... 330 ns max

... 265 ns max

Update/transfer time

cRIO-9151 R Series

Expansion chassis ................8 μS max

All other chassis................... 7 μS max

Direction change time

...............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.

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.

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 14 ni.com

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 V

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

, verified by a 5 s

rms

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 by modu le number or product line, and click the appropriate link in the Certification column.

NI 9403 Operating Instructions and Specifications 16 ni.com

ni.com/certification, search

Hazardous Locations

U.S. (UL) .......................................... Class I, Division 2,

Canada (C-UL) ................................. Class I, Division 2,

Europe (DEMKO)............................. Ex nA IIC T4

Groups A, B, C, D, T4; Class I, Zone 2, AEx nA IIC T4

Groups A, B, C, D, T4; Class I, Zone 2, 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

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 g

Sinusoidal (IEC 60068-2-6) .......5 g, 10 to 500 Hz

Operating shock

(IEC 60068-2-27).............................. 30 g, 11 ms half sine,

NI 9403 Operating Instructions and Specifications 18 ni.com

, 10 to 500 Hz

rms

50 g, 3 ms half sine, 18 shocks at 6 orientations

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

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 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

environment/weee.htm

NI 9403 Operating Instructions and Specifications 20 ni.com

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NI 9403 Operating Instructions and Specifications 22 ni.com

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