Maintenance
and
Tr
oubleshooting
Maintenance
and
Tr
oubleshooting
8--9
Maintenance and Troubleshooting
DL105 PLC User Manual, 3rd Edition
Output points can be set on or off in the DL105 series CPUs. If you want to do an I/O
check out independent of the application program, follow the procedure below:
Step Action
1
Use a handheld programmer or
Direct
SOFT32 to communicate online
to the PLC.
2
Change to Program Mode.
3
Go to address 0.
4
Insert an “END” statement at address 0. (This will cause program
execution to occur only at address 0 and prevent the application pro-
gram from turning the I/O points on or off).
5
Change to Run Mode.
6
Use the programming device to set (turn) on or off the points you wish
to test.
7
When you finish testing I/O points delete the “END” statement at
address 0.
WARNING: Depending on your application, forcing I/O points may cause
unpredictable machine operation that can result in a risk of personal injury or
equipment damage. Make sure you have taken all appropriate safety
precautions prior to testing any I/O points.
BIT REF
X
16P STATUS
From a clear display, use the following keystrokes
Y
10
Y
0
Use the PREV or NEXT keys to select the Y data type
Y2
X0
END
X2
X3
X1
X4
X5
X7
END
Insert an END statement
at the beginning of the
program. This disables
the remainder of the
program.
STAT
ENT
NEXT
0
A
ENT
Y
10
Y
0
Use arrow keys to select point, then use
ON and OFF to change the status
Y2 is now on
SHFT
ON
INS
Testing Output
Points
Handheld
Programmer
Keystrokes Used
to Test an Output
Point
Содержание DL105
Страница 2: ...DL105 PLC User Manual Manual Number D1 USER M...
Страница 308: ...1B DL105 Error Codes In This Appendix Error Code Table...
Страница 314: ...1C Instruction Execution Times In This Appendix Introduction Instruction Execution Times...
Страница 324: ...1D Special Relays In This Appendix DL105 PLC Special Relays...
Страница 327: ...1E PLC Memory In This Appendix DL105 PLC Memory...
Страница 329: ...1F European Union Directives CE In This Appendix European Union EU Directives Basic EMC Installation Guidelines...