Teledyne 450H Software Operation, Status LED’s, Main Menu, State, Status Leds, 2 - MAIN MENU

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2.2.2 Status LED’s

2.2.2 Status LED’s

The three status LED’s to the right of the display indicate the general status of the Model 450H Monitor. The green SAMPLE LED indicates the sampling status. The yellow FAULT LED indicates the fault status. The red ALARM LED indicates the concentration alarm status. Table 2.4 below summarizes the meanings of the status LED’s.

LED		State		Meaning
Green		Off		Not monitoring(1)
		On		Monitoring normally
Yellow		Off		No warnings exist
	Blinking			Warnings exist
Red		Off		No Alarms active
	Blinking			Alarms active
(1) This occurs during all diagnostics modes
TABLE 2.4		STATUS LED'S

2.3 Software Operation

This section describes the operation of the instrument software through the front panel interface described in the previous section. The instrument software has been designed to be easy to use, yet powerful enough to allow the user to customize the instrument for a particular application.

2.3.1 Main Menu

Figure 2.2 below shows the shows a typical main menu for a Model 450H.

SAMPLE				TIME=15:58:21						12.0 %

<TST		TST>			ALRM		MSG CLR				SETUP

FIGURE 2.2 - MAIN MENU

If <TST or TST> are pushed, the upper center display cycles through list of available test functions (see Table 2.3).

P/N 02826B1 Teledyne API Model 450H O3 Monitor Instruction Manual - Page 30

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Contents MODEL 450H OZONE MONITOR EMAIL api-sales@teledyne.comPrinted 05/15/06 SAFETY MESSAGES 4.0 MAINTENANCE TABLE OF CONTENTS3.0 SETUP MODE 5.0 ADJUSTMENTSAPPENDIX A - ELECTRICAL SCHEMATIC INDEX 5.3 A/D - D/A CALIBRATION PROCEDURE…5.4 CURRENT LOOP CALIBRATION FIGURES TABLE 1.2 CONTROL INPUTS TABLESTABLE 1.1 DIGITAL OUTPUTS TABLE 1.3 FINAL TEST AND CALIBRATION VALUES1.0INTRODUCTION 1.1Preface02024c 1.2 WARRANTY POLICYADVANCED POLLUTION INSTRUMENTATION DIVISION COVERAGE1.3 Principle of Operation Page 1.4 Specifications 1.5 Installation 19” Rack Mount EnclosurePage 5.If the M450H has been configured with the auto-zerovalve option, connect the oxygen or other zero gas source to the ¼” tube fitting labeled ‘Zero Gas Inlet.’ Do not exceed 30 psig in the zero air delivery line 1.6 Installation NEMA 4X Wall Mount Enclosure ozone FIGURE 1.1 - NEMA 4X MOUNTING HOLE DIMENSIONS FIGURE 1.2 - NEMA 4X ELECTRICAL POWER CONNECTIONS FIGURE 1.3 - NEMA 4X PNEUMATIC CONNECTIONS 1.6.1Analog Output FIGURE 1.4 - ELECTRICAL SIGNAL I/O CONNECTIONS1.6Electrical I/O Connections 1.6.2 Relay OutputsOutput FIGURE 1.5 - CONNECTING DIGITAL OUTPUTS1.6.4 Control Inputs DescriptionCONTROL INPUTS 1.6.5 RS232 OutputInput Zero CalibrateU V L A M P M O T H E R B V / F C P U A C L I N E FIGURE 1.6 - NEMA4X ASSEMBLY LAYOUTFIGURE 1.7 - M450H PNEUMATIC BLOCK DIAGRAM D C P O W E R SOFigure 1.8 - 19” Rack Assembly Layout POWER SUPPLY MODULE1.7 Operation verification TABLE 1.3 FINAL TEST AND CALIBRATION VALUES 1.8.1 Auto-ZeroOption 1.8.5 Flow Switch1.8 Options 1.8.2 Isolated Current Output 4-20mAor 2-20mA2.1.4 E2 ROM backup of software configuration 2.1Key features2.1.2 Concentration Alarms 2.0OPERATIONFIGURE 2.1 - MODEL 450H FRONT PANEL 2.2 Front Panel Display2.2.1 Front panel display fields Mode FieldTEST MEASUREMENTS Message/Test Measurement FieldTest Message Warning Message2.3.1 Main Menu 2.3 Software Operation2.2.2 Status LED’s StateClearing Alarms 2.3.3 Alarm Status MenuFIGURE 2.3 - ALARM STATUS MENU Audible BeeperPage 3.0 SETUP MODE FIGURE 3.1 - SETUP MENU3.3 Setting the time-of-dayand date CLK 3.1 Setting the Concentration Alarms ALRM3.2 Setting the Concentration Units UNIT HI ALARM OFF3.4 Setting the RS-232baud rate COMM 1 ALARM BEEPER 3.5 Setup variables VARS0 LATCH_ALARMS 3 AZERO ENABLE7 AZERO HOLD OFF 8 GAS MOLECULAR WEIGHT10 TPC ENABLE 9 CONCENTRATION RANGE3.5.2 D/A Calibration 3.5Diagnostics DIAG3.5.1Zero Calibration 3.5.3 Analog Output4.3 Cleaning the Optical Cell 4.0Maintenance4.2Cleaning Exterior Surfaces of the M450H Filter Replacement ProcedureFIGURE 4.1 MEASUREMENT CELL DISASSEMBLY 4.4 Degree of Protection5.1 Calibration 5.0 ADJUSTMENTSSwitch Settings 5.2Changing the analog output range5.3 A/D - D/A Calibration Procedure 1.Press SETUP-DIAGFIGURE 4.2- ANALOG OUTPUT JUMPERS 5.4 Current Loop Calibration zero point can be adjusted anywhere between 0 and 4 milliamps. Press ENTR when you have reached the desired zero point as measured by your test meter APPENDIX A - SOFTWARE MENU TREE Page APPENDIX B - SPARE PARTS LIST DESCRIPTIONPage APPENDIX C - ELECTRICAL SCHEMATIC INDEX Drawing NumberTitle