Advertisement
Accessing Support Functions (continued)
Function 29 – Show
P/C Diagnostic Cell
SCAN = 027 SECS/FIXED
KEY = UNLOCKED
MODE = RUN
S MEMORY CONFIGURED = 10240
S/F LOOP MODE = RUN
SF/LOOP FOLLOWS P/C TO PROGRAM MODE
LOOP FATAL ERROR = NONE
NON FATAL ERROR = NONE
LOOP NON FATAL ERROR = NONE
Functions 31–37,
74–77 – Clear P/C
Memory
7-12
Using Support Functions
Function 29 (Show P/C Diagnostic Cell) will obtain the diagnostic cell from
the P/C. The function will then display the cell on the screen in the form
shown in Figure 7-6.
565 OPERATIONAL STATUS
FATAL ERROR = NONE
Figure 7-6 Result of Function 29
When loop errors are displayed, use F2 to clear them. After F2 is pressed,
the display appears as shown above with loop errors listed as NONE. If an
error occurs on a communication port or a control block, neither of these will
clear until the problem is corrected. (See Appendix A.) To leave this
auxiliary function, press the EXIT (F1) function key. This will return the
system to the menu displaying the available functions.
The remaining functions on page 1 of the support menu clear P/C memory
as indicated by their names. After the number of the auxiliary function is
entered by pressing the Return key, the screen will repeat the name of the
function and ask whether you are sure you wish that function performed.
If you press the F1 (NO) function key, the system will abort the function and
return to the menu showing the available functions. If you press the F2
(YES) function key, the system will begin the requested function. When the
requested function is complete, the system will return to the menu showing
the available auxiliary function keys.
NOTE: Some functions cannot be performed in the RUN mode. The VPU will
return the message, Illegal Request in Current Operational Mode, if a
function is requested that cannot be performed unless in PROGRAM mode.
BATTERY = GOOD
DOWNLOAD = OFF
PROGRAM IN RAM
S MEMORY AVAILABLE = 3720
SIMATIC VPU200/565 Programming Manual
Advertisement
Chapters
