Displaying Safety Integrated Checksums - Siemens SINUMERIK 840D sl Commissioning Manual

Safety Integrated
21.2 Safety Integrated diagnostics
SPL processing completed, end of program reached.
NCK data cross-checking (DCC) has been started
PLC data cross-checking has been started
Cyclic SPL checksum test active
All SPL protective mechanisms active
Procedure
21.2.4

Displaying Safety Integrated checksums

You obtain the following information areas in the "SI Configuration" window:
● Overview of the settings of the Safety Integrated option
● Tables indicate the checksum for the actual Safety Integrated configuration.
Safety Integrated options
The overview of the Safety Integrated options includes the number of the Safety Integrated
axes configured as well as an overview of the active Safety Integrated options.
Safety Integrated checksum area
The following checksums are displayed for the overview of the Safety Integrated checksum
area:
● Checksum for the "SAFE.SPF" program
● General checksums
● Checksum for NCK and drive for each axis and the corresponding drive, for which the
Safety Integrated has been enabled.
You receive information about the time of the last change of the checksum in the NCK.
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1. Select the "Diagnostics" operating area.
2. Press the menu forward key and the "Safety" softkey.
3. Press the "SPL" softkey to display the safe programmable logic signals.
The "Safety Integrated SPL" window is opened
Commissioning Manual, 03/2013, 6FC5397-1DP40-3BA1
SINUMERIK Operate (IM9)