Siemens SINUMERIK 840D sl Function Manual page 574

Diagnostics
11.1 Troubleshooting procedure
SPL
The softkey "SPL" is used to access the window for the status display of the SPL.
Figure 11-12
In the "Variable" selection box, you can select:
$A_INSE(P) corresponds to simultaneous selection of
$A_INSE upper line, origin of the NCK and
$A_INSEP lower line, origin of the PLC
and essentially in the same way for the other variables:
$A_OUTSE(P)
$A_INSI(P)
$A_OUTSI(P)
$A_MARKERSI(P)
$A_PLCSIIN
$A_PLCSIOUT
The variables that have been selected and the associated bit areas are saved and are taken
into account when subsequently selecting the screen.
Using the select key, the following formats can be selected in the variable rows
B binary
H hexadecimal
D decimal.
574
Status display SPL
Function Manual, 12/2017, 6FC5397-4BP40-6BA1
Safety Integrated