Emerson 4000 Figure, INTERFACE, b. Lockout, a. Overview, LOI Features, 6-4LOI KEY DESIGNATIONS, 6-3NAVIGATING THE LOCAL OPERATOR

Instruction Manual

IB-106-340 Rev. 3.0 December 2003

Oxymitter 4000

			TOUCH				b. Lockout
			CONFIRMATION
SELECTION			LED		SELECTION		The Local Operator Interface (LOI) has a
ARROW					ARROW		lockout feature that prevents nuisance ac-
						LCD	tuation by someone brushing against the
							glass window, raindrops, dirt, insects, etc.
						DISPLAY
						WINDOW	This lockout mode is automatically estab-
							lished when no buttons are pushed for 30
							seconds (default). This countdown to lock-
							out is configurable.
							In order to unlock the display, input a "Z"
							pattern. First, push the top left (gray) arrow,
							then the top right, followed by the bottom
							left and finally the bottom right. The "LK"
							notation in the upper right corner of the dis-
							play will now disappear. Push the gray ar-
							row at the top left hand corner once more to
							enter into the menu structure. Once one
							moves deeper into the menu structure, ad-
			SELECTION		37260054		ditional time is provided to the user so that
			ARROWS				the lockout initiation does not become a
		Figure 6-3.		LOI Features			nuisance. This additional “revert” time is
							defaulted at one hour and is also user con-
							figurable.
6-3 NAVIGATING THE LOCAL OPERATOR							6-4 LOI KEY DESIGNATIONS
INTERFACE							The gray (top left) key will move one level higher
a. Overview							in the menu structure. When entering numbers,
							this key will move the cursor to the left. This key
	The Local Operator Interface (LOI), shown						also doubles as an “Enter” key, once numbers
	in Figure 6-3,utilizes a bright blue gas-						are entered, and the cursor is moved to it’s left-
	florescent display. Intensity is adjustable.						most position. The new data value will appear in
	There is an Infra-red LED source and de-						the top line of the display once it’s accepted.
	tectors for each key that can detect a finger						The blue key on the bottom left acts as a se-
	placed above the button through the glass
	window. There is no need to open the in-						lector when choosing from among a number of
	strument in bad weather in order to access						menu items. This key also will move the cursor
	the electronics.						to the right when entering numbers.
	It should be noted that the Oxymitter also						Up/Down keys (to the left side of the keypad)
	utilizes HART communications, permitting						are used to increment up and down when se-
	access to all instrument functionality any-						lecting from a number of menu picks, and also
	where the 4-20 mA signal terminates via a						are used for incrementing numbers up and
	275/375 handheld communicator.						down for data input.

6-2 Startup and Operation with LOI Rosemount Analytical Inc. A Division of Emerson Process Management