Siemens Sinumerik 840D sl Function Manual page 257
Sinumerik safety integrated
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10/15
S SPL coupling
The SPL coupling is used to define which F data signals of the F telegram are
to be mapped to which SPL inputs ($A_INSE). Several SPL couplings can be
parameterized for one SPL connection.
Note:
The interpretation and processing of the F net data signals are realized via the
PLC and NCK SPL and are the exclusive responsibility of the user or SPL
programmer.
S Connection number
A parameterizing data set is assigned to an SPL connection using the connec-
tion number.
An SPL connection is defined in a parameterizing data set. For SINUMERIK 840D
sl, 16 parameterizing data sets are available for F_RECVDP; as a consequence,
16 different SPL connections, designated using 16 identifiers (DP_DP_ID), can be
parameterized in the F DP communication relationships. In case of an error, Alarm
27306 "F_DP: Max. number of active SPL connections (%1) for %2 exceeded" is
output
SPL input data ($A_INSE) can only be assigned to an SPL connection in the para-
meterizing data of the SPL coupling as contiguous range. If the SPL input data,
which are required for an SPL connection, are not contiguous, then several SPL
connections must be parameterized in the parameterizing sets. These SPL con-
nections are designated using identical F_DP communication relationships and
connection numbers, but different SPL couplings. The parameterization of one SPL
connection with several SPL couplings is designated as sub--slots within the frame-
work of PROFIsafe (see Chapter 7.2.6 "Parameterizing the SPL--SGE interface").
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:
S SPL connections: 1 up to a maximum of 16
S 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 connec-
tion, there is only one SPL coupling available.
The following value range for system variables and machine data is obtained from
this:
S System variable index: 1...n with n = 16
S Machine data index: 0...m with m = 15
© Siemens AG 2015 All Rights Reserved
SINUMERIK 840D sl/SINAMICS S120 SINUMERIK Safety Integrated (FBSI sl) - - 10.2015 Edition
7.4 Safety- -related CPU- -CPU communication (F_DP communication)
Connecting Sensors/Actuators
7-257
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