9
DL451 Modular I/O
Operator Manual
Chapter 5: Programming Mode
This chapter describes the programming mode of the DL451 Modular I/O.
In programming mode the four programming buttons in the control panel are used to
navigate and select options from a number of menus (see “Menus” on page 14), which
let you set up the unit and view information.
Menu navigation
The four programming buttons in the control panel have the following functions.
The menu flowchart (see “Menu flowchart (options 1 to 4)” on page 10 and “Menu
flowchart (option 5)” on page 12) gives an overview of all the menus and their options,
and shows you how to navigate your way around them. In the diagram the menus are
shown on the left, and each subsequent lower level is to the right. Also, non-flashing
options are the ones currently selected.
>> To enter/exit programming mode
To enter programming mode, press the MENU button and hold down for approximately
two seconds; the default display will change to the “Main menu” display for the first
option (see display A on page 10).
To exit programming mode from any menu display screen, press MENU repeatedly
until you reach the default screen. The DL451 Modular I/O will exit programming mode
automatically after about 20 seconds of inactivity, that is, if none of the programming
buttons are pressed within that time.
>> To select a menu
In programming mode, scroll to the menu you want by using the up/down arrow
buttons. Then, press SELECT.
Navigation buttons Usage
Moves up a menu level. Exits programming mode,
depending on the current menu level.
Moves down a menu level or selects the current
option.
Scrolls through the current level of menus/options.
Scrolls through the current level of menus/options in
the opposite direction to the up arrow button.
