Emerson Process Management 2400S manual 9Display functions, Configuring the LCD backlight

Optional Configuration

Table 8-9Display functions

Parameter	Enabled (shown)	Disabled (hidden)
Totalizer start/stop	Operators can start or stop totalizers using the	Operators cannot start or stop totalizers using
	display.	the display.
Totalizer reset	Operators can reset the mass and volume	Operators cannot reset the mass and volume
	totalizers using the display.	totalizers using the display.
Auto scroll(1)	The display automatically scrolls through each	Operators must Scroll to view process
	process variable at a configurable rate.	variables.
Off-line menu	Operators can access the off-line menu (zero,	Operators cannot access the off-line menu.
	simulation, and configuration).
Off-line password(2)	Operators must use a password to access the	Operators can access the off-line menu
	off-line menu.	without a password.
Alarm menu	Operators can access the alarm menu	Operators cannot access the alarm menu.
	(viewing and acknowledging alarms).
Acknowledge all	Operators are able to acknowledge all current	Operators must acknowledge alarms
alarms	alarms at once.	individually.

(1)If enabled, you may want to configure Scroll Rate.

(2)If enabled, the off-line password must also be configured.

To configure these parameters:

•Using ProLink II, see Figure B-3.

•Using the display menus, see Figure B-6.

•Using a DeviceNet tool, see Table C-9.Note the following:

•If you use the display to disable access to the off-line menu, the off-line menu will disappear as soon as you exit the menu system. If you want to re-enable access, you must use ProLink II or a DeviceNet tool.

•Scroll Rate is used to control the speed of scrolling when Auto Scroll is enabled. Scroll Rate defines how long each display variable (see Section 8.9.5) will be shown on the display. The time period is defined in seconds; e.g., if Scroll Rate is set to 10, each display variable will be shown on the display for 10 seconds.

•The off-line password prevents unauthorized users from gaining access to the off-line menu. The password can contain up to four numbers.

•If you are using the display to configure the display:

-You must enable Auto Scroll before you can configure Scroll Rate.

-You must enable the off-line password before you can configure the password.

8.9.4Configuring the LCD backlight

The backlight of the LCD panel on the display can be turned on or off. To turn the backlight on or off,

•Using ProLink II, see Figure B-3.

•Using the display menus, see Figure B-6.

•Using a DeviceNet tool, see Table C-9.

68 Micro Motion® Model 2400S Transmitters for DeviceNet™