Rockwell Automation 1772-LV Mini-PLC - 2/15 Programmable Controller (Series B) Programming and Operations - Manual (Page 192)

Quick Reference Section
Appendix A
AĆ23
Table A.Q
Contact Histogram Functions
Function Key Sequence Mode Description
Continuous contact
histogram
[SEARCH][16]
(Bit Address)
[DISPLAY]
Run
Run/Program
or Test
Provides a continuous display of the on/off history
of the addressed bit in hours, minutes and seconds.
Can obtain a hardcopy printout of contact histogram
by connecting a peripheral device to Channel C and
selecting proper baud rate before indicated key
sequence.
Paged Contact histogram [SEARCH][17]
9Bit Address)
[DISPLAY]
[DISPLAY]
Run
Run/Program
or Test
Display 11 lines on/off history of the addressed bit in
hours, minutes and seconds.
Displays the next 11 lines of contact histogram.
Can obtain a hard copy printout of contact
histogram by connecting peripheral device to
Channel C and selecting proper baud rate.
Either [CANCEL COMMAND] To terminate.
Table A.R
Alphanumeric/Graphic Key Definitions
Key Function
[LINE FEED] Moves the cursor down one line in the same column.
[RETURN] Returns the cursor to the beginning of the next line.
[RUB OUT] Deletes the last character or control code that was entered.
[REPT LOCK] Allows the next character that is pressed t be repeated continuously until
[REPT LOCK] is pressed again.
[SHIFT] Allows the next key pressed to be a shift character.
[SHIFT LOCK] Allows all subsequent keys pressed to be shift characters until [SHIFT] or
[SHIFT LOCK] is pressed.
[CTRL] Used as part of a key sequence to generate a control code.
[ESC] Terminates the present function.
[MODE SELECT] Terminates all functions and returns the mode select display to the screen.
Blank Yellow Keys Space keys. Move the cursor one position to the right.