Emerson E2 User Manual download pdf (Page 205)

Navigation Operator’s Guide to Using the E2 • 12-5

defrosting can be initiated from the Actions Menu box by

pressing the

 key from the Home screen or any sta-

tus screen. When you press the Enter key, only the options

that are appropriate to the current field and application will

be displayed; all others will be hidden.

For example, if Enter is pressed when a circuit is high-

lighted, the Actions Menu would display all available

options for that circuit, such as Manual Defrost, meaning

that by selecting Manual Defrost the Manual Defrost

screen would come up for that particular circuit.

12.4.2 Screen Types

Summary Screens

Summary screens let you view status information for

multiple applications of the same type. For example, (Fig-

ure 12-9) is the Circuits Summary screen in the E2 RX

controller. This screen shows the name, state, temperature,

setpoint, alarm, refrigeration, and defrost information for

all defined standard and case control circuits displayed. To

see a more detailed status when on an application sum-

mary screen, highlight the desired application from the list

with the arrow keys and press

. This will take you to

the Status screen.

Status Screens

Status screens are real-time views of application func-

tions. They show the current status of all outputs, the cur-

rent values of all inputs, and other important data such as

control setpoints, run times, and whether or not bypasses

or overrides are active.

Each status screen is specially designed to provide a

concise at-a-glance view of how one or more systems are

functioning.

Setup Screens

The Setup utility is the interface used to change set-

Figure 12-7

- Example Actions Menu for Standard Circuit

Figure 12-8 - Example Actions Menu for Suction Group Value

Figure 12-9 - Summary Screen (RX-400 Version Shown)

Figure 12-10 - Status Screen (RX-400 Version Shown)

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Emerson E2 User Manual Page 205