Siemens SINUMERIK 808D ADVANCED Training Manual page 95

PLC program
design and
adjustment
PLC online diagnosis
Check the status of hardware connection through examining the state of
input value.
+
Press button
Press SK
Press SK
Press SK
Check if there is any errors of the connection in the input value according
to the PLC status display screen.
808D ADVANCED Turning and Milling
Check the condition of hardware connection through examining the status
of input point.
Move the cursor to the operand
which needs modification and press
"Change"
Check electrical level of the output point
(whether the relay is in absorption),
check if there is any error in the connec-
tion of the output point.
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Set the condition of output point,
confirm by pressing
If the output is forced, and the signal of
interface is used in PLC program, its
state will be refreshed by the PLC
program.
Commissioning Guide