Rockwell Automation 1772-LS_LSP,D17726.8.6 PROG/OPER MANUAL-MINI PLC-2/05 User Manual
Page 281

Quick Reference
Appendix C
CĆ25
Table C.X
Troubleshooting Aids
Function
Key Sequence
Mode
Description
Bit monitor
[SEARCH]
[5][3]
[Address]
[
↑
]or[
↓
]
Any
Displays the on/off status of all 16 bits at specified word
address and corresponding force conditions if they exist.
Displays the status of 16 new bits at the next lowest or highest
word address, respectively.
Bit manipulation
[SEARCH]
[5][3]
[
←
] or [
→
]
[1] or [0]
See FORCING below
Test or
Run/Program
Displays the on/off status of all 16 bits at specified word
address and corresponding force conditions if they exist.
Moves cursor to the bit to be changed.
Enter a 1 to set bit on or a 0 to reset a bit.
Forcing or removing forces from input bits or output devices.
Either of above
[CANCEL COMMAND]
To terminate.
Force On
[FORCE ON]
[INSERT]
Test or
Run/Program
Position the cursor on the image table bit to be forced on and
press the key sequence. The input bit or output device is
forced on.
Removing a Force On
[FORCE ON]
[REMOVE]
Test or
Run/Program
Position the cursor on the image table bit whose force on is to
be removed and press the key sequence.
Removing all Force On
[FORCE ON]
[CLEAR MEMORY]
Test or
Run/Program
Position cursor anywhere in program and press key sequence.
Force Off
[FORCE OFF]
[INSERT]
Test or
Run/Program
Position the cursor on the image table bits to be whose force
off is to be removed and press the key sequence.
Removing all Force Off
[FORCE OFF]
[CLEAR MEMORY]
Test or
Run/Program
Position the cursor anywhere in program and press
key sequence.
Forced address display
[SEARCH]
[FORCE ON]
or
[SEARCH]
[FORCE OFF]
Any
Displays a list of the bit addresses that are forced on and
forced off. The [SHIFT][] and [SHIFT][] keys can be used to
display additional forces.
[CANCEL COMMAND]
To terminate.
Inserting a temporary
end instruction
[INSERT]
[
←
][T.END]
or
[INSERT]
[T.END]
Program
Position the cursor on the instruction that willfollow the
temporary end instruction. The remaining rungs, although
displayed and accessible, are not scanned.
Position the cursor on the instruction that will precede the
temporary end instruction. The remaining rungs, although
displayed and accessible, are not scanned.
Remove a temporary
end instruction
[REMOVE]
[T.END]
Program
Position cursor on temporary end instruction and press
key sequence.
NOTE: When in test mode, the processor will hold outputs off regardless of attempts to force them on.