Emerson 3051S Dokumentacja Strona 69

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Reference Manual
00809-0100-4001, Rev JA
Section 3: Configuration
November 2012
Configuration
3.10.1 LCD display configuration for 4-20 mA HART only
The factory default alternates are between Engineering Units and % of Range. The LCD Display
Configuration command allows customization of the LCD display to suit application
requirements. The LCD display will alternate between the selected items:
Field communicator
To change the standard default to one of the above options, follow these steps:
1. From the communicators main menu select (1) Device Setup, (3) Basic Setup, (7) Meter
Options.
2. Select (1) Meter Type. Using the up or down arrows scroll up or down until the desired
display has been highlighted. Press ENTER, SEND, and HOME.
AMS
Right click on the device and select Configuration Properties from the menu.
1. In the Local Display tab, locate the Meter Type area. Select the desired options to suit
your application needs, click Apply.
2. An Apply Parameter Modification screen appears, enter desired information and click OK.
3. After carefully reading the warning provided, select OK.
3.10.2 Custom display configuration 4-20 mA HART only
The user-configurable scale is a feature that enables the LCD display to display flow, level, or
custom pressure units. With this feature you can define the decimal point position, the upper
range value, the lower range value, the engineering units, and the transfer function.The display
can be configured using a Field Communicator or AMS.
The user-configurable scale feature can define:
decimal point position
upper range values
lower range values
engineering units
transfer function
Eng. Units only Alternate Eng. Units & % of Range
% of Range only Alternate Eng. Units & Custom Display
Custom Display only Alternate % of Range & Custom Display
Traditional 4-20 mA Fast Keys
1, 3, 7
Device Dashboard Fast Keys
2, 2, 3
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