National Instruments 9754 Manuale utente

NI-9754

USER MANUAL

NI 9754

NI Powertrain Controls Engine-Synchronous TTL Output Module

Contents

Introduction .............................................................................................................................. 2

Pinout........................................................................................................................................ 2

Powering the Module................................................................................................................ 3

Platform Compatibility ............................................................................................................. 3

ESTTL Outputs......................................................................................................................... 4

Digital Output Characteristics ..................................................................................................4

Physical Specifications and Characteristics ............................................................................. 4

Compliance and Certifications ................................................................................................. 5

2|ni.com |NI 9754 User Manuall

Introduction

The National Instruments 9754 Engine-Synchronous TTL (ESTTL) Output Module provides

eight channels of high-speed digital output that can be used for engine synchronous signaling

and control of external drive circuits.

Features:

• Sends commands to external custom driver circuits or smart actuators with built-in driver

circuits

• 200 ns output resolution

• 8-channel TTL output

• LabVIEW FPGA support for high-speed engine-synchronous, multi-pulse fuel or spark

control

Pinout

Figure 1. NI 9754 Pin Assignments

COM

DO 0

DO 1

DO 2

DO 3

DO 4

DO 5

DO 6

DO 7

NI 9754 User Manual |© National Instruments |3

Powering the Module

The NI 9754 requires power from the CompactRIO backplane male high density D-SUB 15-pin

(HD15) connector, which mates with the female HD15 connector on the NI 9754. This power

source provides a regulated 5 V and ground to various digital logic functions within the NI 9754.

The CompactRIO 5 V source is active whenever the CompactRIO or R Series Expansion

Chassis is properly powered. You can power the NI 9754 only at the HD15 connector by

plugging it into a CompactRIO or R Series Expansion Chassis.

Platform Compatibility

NI Powertrain Control modules require a hardware support system to function. You cannot use

the modules independently or interfaced with third-party devices at the backplane HD15

connector. NI Powertrain Control modules are compatible with the following National

Instruments platforms:

• CompactRIO, which consists of a CompactRIO controller, chassis, or integrated

controller/chassis.

• NI PXI, which consists of any NI PXI chassis, NI PXI RT controller, and NI PXI-78xxR

R Series FPGA card. The NI Powertrain Control modules insert into an NI R Series

expansion chassis. Connect an NI R Series expansion chassis to the NI PXI FPGA card

using a SHC68-68-RDIO cable.

Note NI Powertrain Control modules are not compatible with the National

Instruments CompactDAQ chassis.

You can use NI Powertrain Control modules with NI cRIO-911x, NI cRIO-907x, and NI R Series

Expansion systems under the following conditions:

• Leave one empty chassis slot between NI Powertrain Control modules and other

NI modules.

• Maintain an ambient system operating temperature of 0 °C to 45 °C.

Note Typical specifications of National Instruments modules might not apply when

used in a system with NI Powertrain Control modules.

Note National Instruments guarantees warranted specifications for all National

Instruments modules except thermocouple modules when used in a system with

NI Powertrain Control modules.

Note National Instruments recommends the NI 9214 for thermocouple

measurements in CompactRIO systems using NI Powertrain Control modules.

Note NI Powertrain Control modules do not support Scan Interface mode,

auto-detection, or ID mode.

4|ni.com |NI 9754 User Manuall

ESTTL Outputs

Each TTL output channel has a DO pin to connect a device that accepts a digital command signal

from 0 V to 5 V. The eight output channels are internally referenced to COM, so you can use

any of the nine COM lines as a reference for the external signal. Each channel has a pull-down

resistor and includes overcurrent, overvoltage, and short-circuit protection.

Overcurrent Protection

The NI 9754 allows only a specified amount of current for switching output channels or sourcing

the output load. If the NI 9754 goes into an overcurrent state by exceeding the specified

maximum switching frequency or the output load, the power supply begins to drop in voltage

until it completely turns off or the overcurrent condition is removed. When the NI 9754 is in this

state, it can accept new output state data.

Overvoltage Protection

The TTL outputs of the NI 9754 are temporarily protected from +/-30 V one channel at a time.

Continued exposure to overvoltage conditions will degrade the life of the NI 9754.

Digital Output Characteristics

Digital Output Logic Levels at 10 mA loads

High ..................................................................4.0 V to 5.0 V

Low ................................................................... 0.1 V to 0.4 V

Physical Specifications and Characteristics

Weight ...............................................................170 g

Maximum Altitude............................................2000 m

Maximum Ambient Temperature......................70 ºC

Operating Humidity ..........................................10% to 90% RH, noncondensing

Pollution Degree ...............................................2

Ingress Protection .............................................IP40

For indoor use only.

If you need to clean the module, wipe it with a dry towel.

NI 9754 User Manual |© National Instruments |5

Safety Guidelines

Caution Do not operate the NI 9754 in a manner not specified in these operating

instructions. Product misuse can result in a hazard. You can compromise the safety

protection built into the product if the product is damaged in any way. If the product

is damaged, return it to National Instruments for repair.

Compliance and Certifications

Safety

This product meets 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

Electromagnetic Compatibility

This product meets the requirements of the following EMC standards for electrical equipment

for measurement, control, and laboratory use:

• EN 61326-1 (IEC 61326-1): Class A emissions; Industrial immunity

• EN 55011 (CISPR 11): Group 1, Class A emissions

• AS/NZS CISPR 11: Group 1, Class A emissions

• FCC 47 CFR Part 15B: Class A emissions

• ICES-001: Class A emissions

Caution When operating this product, use shielded cables and accessories.

CE Compliance

This product meets the essential requirements of applicable European Directives as follows:

• 2006/95/EC; Low-Voltage Directive (safety)

• 2004/108/EC; Electromagnetic Compatibility Directive (EMC)

Environmental Management

NI is committed to designing and manufacturing products in an environmentally 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 the Minimize Our Environmental Impact 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.

376103A-01 Sep13

Refer to the NI Trademarks and Logo Guidelines at ni.com/trademarks for more information on 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/technology, refer to the appropriate location: Help»Patents in your software, the patents.txt file on your media, or the

National Instruments Patents Notice at ni.com/patents. You can find information about end-user license agreements (EULAs) and third-party

legal notices in the readme file for your NI product. Refer to the Export Compliance Information at ni.com/legal/export-compliance

for the National Instruments global trade compliance policy and how to obtain relevant HTS codes, ECCNs, and other import/export data.

Waste Electrical and Electronic Equipment (WEEE)

EU Customers At the end of the product life cycle, all products must be sent to

a WEEE recycling center. For more information about WEEE recycling centers,

National Instruments WEEE initiatives, and compliance with WEEE Directive

2002/96/EC on Waste and Electronic Equipment, visit ni.com/environment/

weee.

Battery Replacement and Disposal

Battery Directive This device contains a long-life coin cell battery. If you need

to replace it, use the Return Material Authorization (RMA) process or contact an

authorized National Instruments service representative. For more information

about compliance with the EU Battery Directive 2006/66/EC about Batteries

and Accumulators and Waste Batteries and Accumulators, visit ni.com/

environment/batterydirective.

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environment/rohs_chinaǄ(For information about China RoHS compliance,

go to ni.com/environment/rohs_china.)

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