Product Specification, Next Generation Instrumentation (NGI™) 072-40337-A Every effort has been made to keep the information in this document current and ac- curate as of the date of publication or revision. However, no guarantee is given or implied that the document is error-free or that it is accurate with regard to any speci- fication. AMETEK Dixson reserves the right to modify product designs and specifica- tions without notice. Free telephone assistance is available Monday through Friday from 7 a.m. to 4:30 p.m. AMETEK Dixson Product Management Department 287 27 Road, Grand Junction, CO 81503 Phone: (970) 244-1241 Toll-Free: (888) 302-0639 E-Mail: [email protected] 072-40337 Revision Table REVISION DATE DESCRIPTION OF CHANGE - 12/18/2002 Initial release A 10/28/2003 Update and enhance all chapters ii 072-40337-A NGI Product Specification Table of Contents 1 Introduction Page 1-1 1.1 Purpose and Scope . 1-1 1.2 Options and Deviations from Generic Product . 1-1 1.3 Overview . 1-1 1.4 How to Use This Specification . 1-1 1.5 Reference Documents . 1-2 1.5.1 Test Specifications. 1-2 1.5.2 Interface Specifications . 1-2 1.6 Regulatory Agencies . 1-2 1.7 Abbreviations and Terminology in This Document . 1-3 2 Functional Description Page 2-1 2.1 Vehicle Data Bus . 2-2 2.2 NGI Bus . 2-2 2.3 NGI Cable Assemblies . 2-2 2.4 System Control Unit (SCU) . 2-2 2.4.1 SCU Inputs. 2-2 2.4.2 SCU Options. 2-2 2.5 Speedometer . 2-3 2.5.1 Speedometer Options. 2-3 2.5.2 Audible Warning Device. 2-3 2.5.2.1 Buzzer Options..............................................................................................................2-3 2.5.3 Mode and Set Switches. 2-3 2.5.3.1 Mode/Set Switch Options ............................................................................................2-3 2.5.4 Alphanumeric Display . 2-4 2.6 Electrical Gauges . 2-4 2.7 Mechanical Air Pressure Gauges. 2-4 2.8 Light Bars . 2-5 2.8.1 Standard Light Bar . 2-5 2.8.2 Light Bar Options . 2-5 2.9 Calibration and Diagnostic Capabilities . 2-5 2.9.1 Calibration . 2-5 2.9.2 System Diagnostics . 2-5 2.9.3 Additional Fault Indications . 2-5 3 Module Specifications Page 3-1 3.1 General Information . 3-1 3.1.1 Dial Configurations. 3-1 3.1.2 Parameters Common to All Modules . 3-1 3.1.2.1 Case Construction, Mounting, and Connectors ............................................................3-1 3.1.2.2 Dials and Graphics........................................................................................................3-1 3.1.3 Pointers . 3-1 3.1.4 Gauge Warning LEDs . 3-2 072-40337-A iii 3.1.5 Automatic Pointer Re-Zero. 3-2 3.1.6 Loss-of-Data Indication . 3-2 3.1.7 Data Out-Of-Range Indication. 3-2 3.1.8 Analog Input Filtering. 3-2 3.1.9 Customer Specifications . 3-3 3.1.10 Gauge Options . 3-3 3.2 Available Modules . 3-5 3.2.1 Speedometers . 3-5 3.2.2 Tachometers . 3-5 3.2.3 Pressure Gauges . 3-5 3.2.4 Temperature Gauges . 3-5 3.2.5 Fuel Level Gauge . 3-6 3.2.6 Voltmeters and Ammeters. 3-6 3.2.7 Ammeters . 3-6 3.2.8 Multiple Display Modules . 3-6 3.2.9 Light Bars . 3-14 3.2.10 Telltale Control. 3-14 3.3 Alphanumeric Display . 3-15 3.3.1 Default Display or Function . 3-16 3.3.1.1 User-Defined Default Function ......................................................................................3-16 3.3.1.2 Persistency Option .......................................................................................................3-16 3.3.2 Custom Messages. 3-16 3.3.3 Odometer Display and Function . 3-16 3.3.4 Independent Trip Odometer Display and Function . 3-17 3.3.5 Hourmeter Display and Function . 3-17 3.3.6 Other Functions . 3-18 3.3.6.1 User-Initiated Diagnostic Function................................................................................3-18 3.3.6.2 Manual Test..................................................................................................................3-19 3.3.6.3 Fault Messages ............................................................................................................3-19 3.3.6.4 NGI Warning Messages................................................................................................3-19 3.3.7 Alphanumeric Display Backlighting. 3-22 3.4 Audible Warning Device (Buzzer) . 3-22 3.4.1 Customer-Specified Information for Alphanumeric Display and Buzzer . 3-22 3.5 System Operation. 3-22 3.5.1 Power-On Initialization Sequence. 3-22 4 Electrical Specifications Page 4-1 4.1 General Panel Wiring . 4-1 4.2 Speedometer/SCU Connections . 4-2 4.3 Light Bar Connections . 4-3 5 Mounting Specifications Page 5-1 6 Environmental and Reliability Specifications Page 6-1 6.1 Environmental Specifications . 6-1 6.2 Reliability Specifications . 6-1 6.2.1 Reliability . 6-1 6.3 Serviceability . 6-2 iv 072-40337-A NGI Product Specification List of Illustrations Figure 2-1 Functional Block Diagram · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · ·.