Siemens SINUMERIK 840D sl Function Manual page 231

SPL connection, are not contiguous, then several SPL connections must be parameterized in
the parameterizing sets. These SPL connections are designated using identical F_DP
communication relationships and connection numbers, but different SPL couplings. The
parameterization of
within the framework of PROFIsafe (see Chapter "parameterizing the SPL-SGE interface
(Page 196)").
The number of SPL couplings per SPL connection can be freely parameterized within the
framework of the number of parameterizing data sets that are available. The following options
are available to parameterize SPL connections and SPL couplings for each SPL connection:
● SPL connections: 1 up to a maximum of 16
● SPL couplings per SPL connection: 1 up to a maximum of 16, whereby the sum of all SPL
couplings of all SPL connections can be a maximum of 16
For the case that 16 SPL connections are parameterized, for each SPL connection, there is
only one SPL coupling available.
The following value range for system variables and machine data is obtained from this:
● System variable index: 1...n with n = 16
● Machine data index: 0...m with m = 15
Figure 8-28
Safety Integrated
Function Manual, 12/2017, 6FC5397-4BP40-6BA1
8.4 Safety-related CPU-CPU communication (F_DP communication)
one SPL connection with several SPL couplings is designated as sub-slots
Example of 1 SPL connection with 4 SPL couplings
Connecting sensors and actuators
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