Siemens SINUMERIK 840D Description Of Functions page 145

11.03
3.10 Safe programable logic (SPL) (840D SW 4.4.18)
Done
Error
[values in brackets are default values for the call]
3.10.4 Linking the NCK-SPL to the I/O and monitoring channel
Description Access to the I/O and the link to the NCK monitoring channel are illustrated in
the diagram below.
MD 10090: $MN_SAFE_IN_HW_ASSIGN[n], n = 0 ... 3
external
HW I/Os I/Os
$A_INSE[1]
I1
I2
...
...
$A_INSE[64]
In
$A_OUTSE[1]
O1
...
O2
$A_OUTSE[32]
$A_OUTSE[33]
...
...
$A_OUTSE[64]
On
MD 10092: $MN_SAFE_OUT_HW_ASSIGN[n], n = 0 ... 7
Fig. 3-34 Input/output variables for the NCK-SPL
System variables The following system variables are available for binary and double-word-
oriented access (32 bits) to the NCK-SPL interfaces:
Table 3-57
Linking to the I/Os The following machine data is available for linking to the I/Os (external
inputs/outputs) (cf. diagram above):
© Siemens AG 2003 All Rights Reserved
SINUMERIK 840D/SIMODRIVE 611 digital SINUMERIK Safety Integrated (FBSI) - Edition 11.03
O Bool
O Bool
internal
I/Os
$A_OUTSI[1]
...
$A_OUTSI[64]
NCK-SPL
$A_INSI[1]
...
$A_INSI[64]
System variables for the NCK-SPL
System variables
Binary Word-oriented
$A_INSE[1 ... 64] $A_INSED[1..2]
$A_OUTSE[1 ... 64] $A_OUTSED[1..2]
$A_INSI[1 ... 64] $A_INSID[1..2]
$A_OUTSI[1 ... 64] $A_OUTSID[1..2]
Note:
Reading/writing of wordwise (word-serial) variables is the same as access to the binary
variables.
The variables shown here and other variables are described later on in this section.
3 Safety-Related Functions
1 = ASUB terminated
internal
SGE NCK
SGA monitoring channel
SGE...
per axis/spindle
SGE...
SGE...
SBH/SG
SE
SGE...
SN
SGA...
Monitoring
SGA...
comparators
SGA...
SGA...
S P L_01.DS F
Description
System variable for external inputs
System variable for external outputs
System variable for internal inputs
System variable for internal outputs
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