Rockwell Automation 1772-LV Mini-PLC - 2/15 Programmable Controller (Series B) Programming and Operations - Manual (Page 186)

Quick Reference Section
Appendix A
AĆ17
Table A.J
Data Table Configuration
Function Key Sequence Mode Description
Data table configuration [SEARCH]
[5] [0]
[Numbers]
Program If the number of 128-word sections is 1 or 2, enter
this number, and the number of timers/counters. If
the number of 128-word sections is 3 or greater,
enter only this number. The industrial terminal will
calculate and display the data table size in decimal.
Processor memory layout [SEARCH]
[5] [4]
Any Displays the number of words in the data table
area, user program area, message area and
unused memory.
Either [CANCEL
COMMAND]
To terminate.
Table A.K
Clear Memory Functions
Function Key Sequence Mode Description
Data table clear [SEARCH]
[7] [7]
(Start Address)
(End Address)
[CLEAR MEMORY]
Program Display a start address and an end address field.
Start and end word addresses determine
boundaries for data table clearing.
Clears the data table within and including
addressed boundaries.
User program clear [CLEAR MEMORY]
[8] [8]
Program Position the cursor at the desired location in the
program. Clears user program from the position of
the cursor to the first boundary: i.e. temporary end,
subroutine area or end statement. Does not clear
data table or messages.
Partial memory clear [CLEAR MEMORY]
[9] [9]
Program Clears user program and clear messages from
position of the cursor. Does not clear data table.
Total memory clear [CLEAR MEMORY]
[9] [9]
Program Position the cursor on the first instruction of the
program. Clears user program and messages.
Does not clear data table, unless the cursor is on
the first program instruction.
NOTE: When Memory write protect is active, memory cannot be cleared except for data table addresses 010-177 with a
programmed EPROM installed.