CPU20L and CPU40 Display Screen

The display screen on the RMC200 CPU20L and CPU40 modules can be used to access the information and features listed below.

Faults
Lists any current hardware-related faults.
Ethernet IP Address
View and change the IP address settings and Ethernet_Protocol_Mode. The IP settings include subnet mask and default gateway, and also list the MAC address. To prevent changing the IP settings from the Display Screen, see the Ethernet Settings Page in the CPU Properties dialog.
Controller Name
Viewing the controller name on the Display Screen can be used to identify an RMC on a network containing many RMCs. The Controller Name is also visible from within RMCTools when browsing for RMCs.
Date/Time
Displays the RMC's date and time. The RMC has a real-time clock.
Feature Key
List the features on the Feature Key.
SD Card
Save or restore the controller image. See Using the SD Card for details.
Module Info
Lists the module type, module version, and module firmware version for each module in the backplane.

Navigating the Display Screen

Use the buttons to navigate the Display Screen menu:

	Action
	Move up, down, left or right. The right arrow will also move forward a level. The left arrow will also move back a level.
	Go forward a level or accept an edit.
	Go back a level.

Disabling Display Screen Features

The following Display Screen features may be disabled to prevent unauthorized users from making changes to the controller or making a copy of the controller contents:

Changing the IP Address
Saving the Controller Image to the SD card
Restoring the Controller Image from the SD card

To disable features:

In the Project pane, expand the Modules folder, double-click the CPU module and click Display Screen.
Uncheck the features you wish to disable.
Click OK. The changes will be applied to the controller if RMCTools is online with the controller.
After making changes to these settings, make sure to Update Flash.

Screen Saver

The Display Screen has a screen saver that will automatically turn off after 60 seconds. Pressing any button will turn on the display again.

Disabling the Screen Saver:

Press and hold the Menu button for 3 seconds. The display will show "Screen saver OFF."

Re-enabling the Screen Saver:

Press and hold the Menu button for 3 seconds. The display will show "Screen saver ON."

The screen saver on/off setting is not saved in the controller through a power cycle.