9.1 Overview
This section provides the information and processes involved for Modbus, Digitally Enhanced (DE)
and HART operation using the 3-button option.
9.2 Three Button Operation
The SMV800 optional three-button interface provides a user interface and operation capability
without opening the transmitter. Figure 20 shows the location of the three-button option and the
labels for each button.
Physical
Button
Left
Center
Right
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9 Operation
Figure 20 – Three-Button Option
Table 11 – Three-Button Option Function
Display
Increment
Move cursor Up
Decrement
Move cursor Down
Enter
SMV800 Transmitter User's Manual
Action
Scroll to previous menu item in an active list.
Scroll through alphanumeric list to desired
character (ex. for entering Tag names or
numeric values)
Scroll to next menu item in an active list.
Scroll through alphanumeric list to desired
character (ex. for entering Tag names or
numeric values)
Call up the Main Menu.
Call up a lower-level menu.
Select an item for data entry.
Confirm a data entry operation
Activate the service associated with a
selected menu item.
Revision 10