Model NGA2000 NDIR

Instruction Manual

748332-F April 2003

SECTION 3

STARTUP AND OPERATION

3-1 OVERVIEW

Prior to initial startup, the user should leak test the module as outlined in Section 2.

For the remainder of this section, Analyzer Module interconnection with a Platform or some interfacing component will be assumed. Display and Keypad information shall refer to that which the user can expect to see and do with regard to the Front Panel of the Platform.

(For a complete description of Platform Front Panel controls and indicators, see Section 1 of the Platform Components instruction manual.)

3-2 DISPLAY SCREENS

Three kinds of Display screens are available to the user (See Figure 3-3 through Figure

3-6.):

•Run Mode

•Menu

•Help

a.Run Mode Display

The Run Mode is the normal mode of operation. In this mode, the Display will show current gas measurement, the component of interest, the current operations of the softkeys, a graphic bar representing the displayed concentration as a percent of fullscale, and up to 4 user- selectable secondary variables and associated bargraphs.

If more than one Analyzer Module is connected to the system, the Run Mode display will show as many as four gas measurements on a single screen. Alarm messages may also appear on the display (See Table 3-1 on page 3-5)

b.Menu Displays

The Menu structure enables the user to access data and functions, and put information onto the network.

The Main Menu (see Figure 3-2 on page 3-2) is subdivided into three levels of control based generally on which personnel is likely to use it: Basic Controls, Expert Controls and Setup, and Technical Controls. (See Figure 3-3 through Figure 3-5.) Many layers of the menu structure are described at appropriate places throughout this manual.

From the Run Mode display, press the MENUS softkey to gain access to the Main Menu. (See Figure 3-2 on page 3- 2.)

c.Help Displays

The Help structure is on-line "tutorial," context-sensitive and topic-interconnected, so that the user can practically operate NGA2000 without need of an instruction manual.

3-3 STARTUP PROCEDURE

Introduce zero gas into SAMPLE INLET and reference and source purge gas, if applicable, into their respective inlets. Ensure that gas pressures are set to requirements listed on the Specifications page of the Preface section of this manual.

Apply power to the NDIR Analyzer Module. If it is associated with a Platform, do this by plugging in the Platform to a power source. The Platform has no ON/OFF power switch. Once power has been supplied to the Platform, the NDIR Analyzer Module will be energized.

If the user's system contains only one Analyzer Module, all system components, the

Rosemount Analytical Inc. A Division of Emerson Process Management

Startup and Operation 3-1