Future Design MCTB 4.3, Руководство пользователя

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MCTB
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9.4.3 Ratio Cascade Mode
This mode provides a single set point which is used to calculate the secondary loop set point according to the
primary loop process value. This is typically use din blending applications where the flow rate of the primary
fluid is monitored and controlled via the primary loop, and the secondary loop is to add a fractional amount of
another substance to the mix.
As the primary flow changes, the secondary loop set point will adjust according to the ratio multiplier in order to
maintain the proper mixture.
9.5 Event Names
The Event names screen allows the user to change the names of the system events in order to describe what
function they perform. The event names are limited to nine alphanumeric characters.
To change the name of the event, select the event by touching its current tag name in the list.
Press the “Edit”
button and enter the new tag name using the alpha-numeric keypad and press
“Done” when finished. The new
name will then appear in the event name list box and will be used throughout all MCTB screens wherever the
event is shown.
9.6 Navigation
The MCTB provides both text-based PC style menus and icon-based slide page navigation menus similar to
today’s “smart” devices. The user can select either type at any time from the Navigation screen. Press the
button for the desired menu type to make the selection. The choices are mutually exclusive, so when one