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Accessing Support Functions (continued)
Function 20 – Run
P/C Diagnostics
Function 21 – Run
Remote Base
Diagnostics
Function 25 –
Display Failed I/O
7-10
Using Support Functions
Function 20 (Run P/C Diagnostics) will cause the system to respond with
"RUN P/C DIAGNOSTICS: ARE YOU SURE?" and the following function
keys at the bottom of the screen:
If you press the NO (F1) function key, the system will abort the auxiliary
function and return to the screen showing the available auxiliary functions.
If instead you press the YES (F2) function key, the system will instruct the
P/C to begin its self-diagnostics. If the diagnostics pass, the phrase "P/C
PASSED SELF-DIAGNOSTICS" will be shown. If the diagnostics fail, a
message giving the reason for the failure is displayed.
Function 21 (Run Remote Base Diagnostics) allows you to perform
diagnostics on remote bases. You may select a particular channel and base
for running the diagnostics, or you may choose to run the diagnostics on all
channels and bases. When the function is started, a prompt will appear to
ask if you are sure. If you press the NO (F1) function key the function will
abort, and the function chart will reappear on the screen. If you press the
YES (F2) function key, the function will begin. When the diagnostics are
complete the channel and bases will be displayed with "DIAGNOSTICS
PASSED" or an error message explaining why they failed. Also, the function
keys will change to EXIT (F1) and CONTINUE (F2). The EXIT function key
will terminate the function; the CONTINUE function key will show the next
page of channels and bases (if any).
Function 25 (Display Failed I/O) will cause the system to assess the status
of all I/O modules attached to the system. It will then display in chart
format the location (in the order of Channel, Base, and Slot) of any failed
I/O modules. The following function keys will appear at the bottom of the
screen:
SIMATIC VPU200/565 Programming Manual
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