Rockwell Automation 1763 MicroLogix 1100 Programmable Controllers User Manual - Manual (Page 118)

Publication 1763-UM001D-EN-P - March 2011
116 Using the LCD
8. Now, we will view an example of the data value of a protected bit,
B3:0/2. Press the Up key twice. Then, the target bit will change to “0/2”
and its data value is displayed with the “Protected!” message, as shown
below. Because the B3:3/2 is set (1), the B3:0/2 bit is a protected bit.
9. Try to move the cursor to the data value position by pressing the OK
key. Because the B3:0/2 bit is a protected bit, you will find that the
cursor does not move to the data value position.
10. Press the Up key once to view the data value of the B3:0/3 bit. Because
the B3:0/3 bit is not a protected bit, only its data value, OFF (0) in this
example, is displayed without the “Protected!” message.
11. Press the Up key once to view the data value of the B3:0/4 bit. You will
find that the B3:0/3 bit is a protected bit and its data value is ON (1).
12. Hold down the Up key until the target bit becomes “2/15”, as shown
below.
TIP
When the cursor is at the data value position, press
the Down key to change the data value of a bit from
ON (1) to OFF (0). Press the Up key to change from
OFF (0) to ON (1).
After changing the data value of a target bit, press
the OK key to apply the changes or press the ESC
key to discard the changes.