3 Safety-Related Functions 11.03
3.10 Safe programable logic (SPL) (840D SW 4.4.18)
© Siemens AG 2003 All Rights Reserved
3-154 SINUMERIK 840D/SIMODRIVE 611 digital SINUMERIK Safety Integrated (FBSI) - Edition 11.03
System variables Meaning Value range Data type Possible access
with
Part
program
Synchr.
action
l s l s
$A_INSIP[n]
Image of the PLC input n = 1,2, ...64 BOOL x x
$A_INSIPD
[
n
]
Image of the PLC inputs n = 1, 2 INT x x
$A_OUTSI[n]
NCK output n = 1, 2, ... 64
stands for
No. of output
BOOL x x x x
$A_OUTSID[n]
NCK outputs n = 1, 2 INT x x x x
$A_OUTSIP[n]
Image of the PLC output n = 1, 2, ... 64 BOOL x x
$A_OUTSIPD[n]
Image of the PLC outputs n = 1, 2 INT x x
External SPL inputs/outputs
$A_INSE[n]
NCK input n = 1, 2, ... 64
stands for
No. of input
BOOL x x
$A_INSED[n]
NCK inputs n = 1, 2 INT x x
$A_INSEP[n]
Image of PLC input n = 1, 2, ... 64
stands for
No. of input
BOOL x x
$A_INSEPD[n]
Image of PLC inputs n = 1, 2 INT x x
$A_OUTSE[n]
NCK output n = 1, 2, ... 64
stands for
No. of output
BOOL x x x x
$A_OUTSED[n]
NCK outputs n = 1, 2 INT x x x x
$A_OUTSEP[n]
Image of a PLC output n = 1, 2, ... 64
stands for
No. of output
BOOL x x
$A_OUTSEPD[n]
Image of the PLC outputs n = 1, 2 INT x x
SPL markers and timers
$A_MARKERSI[n]
Markers n = 1, 2, ... 64
stands for
No. of marker
BOOL x x x x
$A_MARKERSID[n] Markers
(SW 4.4.18 and higher)
n = 1, 2 INT x x x x
$A_MARKERSIP[n]
Image of the PLC markers n = 1,2, ...64 BOOL x x
$A_MARKERSIPD[n] Image of PLC the markers
)
(SW 4.4.18 and higher)
n = 1, 2 INT x x
$A_TIMERSI[n]
Timers n = 1, 2...16
stands for
No. of timer
REAL x x x x
$A_STATSID Crosswise data comparison error
triggered when value is not equal to 0
n = 0 Error not
triggered
n = 1 Error
triggered
INT x x
$A_CMDSI 10-fold change timer value for long
forced checking procedure pulses
and/or single-channel test stop logic.
Bit 0 = 1
10-fold time
active
BOOL x x x x
$A_LEVELSID Crosswise data comparison stack level
display: Number of signals for which
NCK and PLC detect different signals
0...320 INT x x
$A_PLCSIIN Single-channel communication
between NCK and PLC-SPL
BOOL x x
$A_PLCSIOUT Single-channel communication
between NCK and PLC-SPL
BOOL x x
Note:
l -> read, s -> write
An implicit pre-run stop is generated
Only permitted in the commissioning phase
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