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USER MANUAL

NI 9755 

NI Powertrain Controls 

CompactRIO NOx Sensor Module Kit 

Contents

Introduction .............................................................................................................................. 1
System Diagram ....................................................................................................................... 2
Hardware .................................................................................................................................. 2
Powering the Hardware ............................................................................................................ 3
Wiring Harness ......................................................................................................................... 5

Introduction

The National Instruments 9755 CompactRIO NOx Sensor Module Kit interfaces with NO

x

 and 

O

2

 exhaust gas sensors.

Features

Configurable from one to four channels

Measures NO

x

 (ppm) and O

2

 (%) concentrations

Sensor controller supply voltage of 12 V to 16 V (24 V version available)

Reverse battery protection on sensor controller module

Sensor controller module harness

LabVIEW FPGA and RT VIs for quick integration with application

Integration with existing PXI or CompactRIO chassis hardware

Содержание 9755

Страница 1: ...sor Module Kit interfaces with NOx and O2 exhaust gas sensors Features Configurable from one to four channels Measures NOx ppm and O2 concentrations Sensor controller supply voltage of 12 V to 16 V 24 V version available Reverse battery protection on sensor controller module Sensor controller module harness LabVIEW FPGA and RT VIs for quick integration with application Integration with existing PX...

Страница 2: ...nsor Control Module and between the CAN High and CAN Low wires The second cable provides three non terminated leads for connecting to a power supply which requires two leads and for address selection of the NOx Sensor Module which requires one lead If the cable is to be extended follow CAN network wiring guidelines Refer to the NI 9853 CAN Module Operating Instructions and Specifications for more ...

Страница 3: ...ensor the sensor enters preheating mode automatically until the Sensor Enable Boolean is set to TRUE within the supporting software The Sensor Enable Boolean turns the internal sensor heater to its ON state If the Sensor Enable Boolean is set to FALSE the sensor returns to preheating mode The preheating mode protects the sensor from mechanical cracks caused by water splash NOx Sensor Operating Tem...

Страница 4: ...e 16 V NOx Sensor Supply Current Average supply current 1 5 A Peak supply current at switch on 16 A Supply Power Maximum supply power 20 W NOx Sensor Miscellaneous Thread Torque 50 N m 36 88 lb ft Lubrication Anti seize compound Figure 2 Installation Position Figure 3 Tilt Angle in Gas Flow Direction 0 80 Exhaust Gas Pipe Top 80 D E 90 10 10 ...

Страница 5: ...rschmann MLK 872 860 501 Number of pins 5 Connector pin assignment Pin 1 Battery red Pin 2 Ground black Pin 3 CAN Low blue Pin 4 CAN High orange Pin 5 Address Switch purple Pulling Pin 5 to ground changes the CAN transmit ID of the NOx sensor control module so that two NOx sensor control modules can be added to the same network Sensor Control Modules with Pin 5 floating are Ch 1 and Sensor Control...

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