Siemens SINUMERIK 840D sl Function Manual page 379

05.08
Table 8-10 Overview of system variables
$A_INSEP[n] Image of a PLC–SPL input from
the PLC HW I/O
$A_INSEPD[n] Image of the PLC – SPL inputs
from PLC HW I/O
$A_OUTSE[n] NCK output
$A_OUTSED[n] NCK outputs
$A_OUTSEP[n] Image of a PLC – SPL output
from the PLC HW I/O
$A_OUTSEPD[n] Image of PLC – SPL outputs from
PLC HW I/O
Markers and timers
$A_MARKERSI[n] Markers
$A_MARKERSID[n] Markers
$A_MARKERSIP[n] Image of the PLC markers
$A_MARKER- Image of the PLC markers
SIPD[n]
$A_TIMERSI[n] Timer
$A_FRDP_DIAG[n] The cause of the communication
error determined from
F_RECVDP is communicated
$A_FRDP_SEND- Actual operating mode of the F–
MODE[n] CPU of the F_SENDDP commu-
nication partner
Miscellaneous
$A_STATSID Crosswise data comparison error
triggered if the value is not equal
to 0
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SINUMERIK 840D sl/SINAMICS S120 SINUMERIK Safety Integrated (FBSI sl) – 05.2008 Edition
n = 1, 2, ... 64 BOOL
stand for the
No. of the input
n = 1, 2 INT
n = 1, 2, ... 64 BOOL
stands for the
No. of the out-
1)
put
1)
n = 1, 2 INT
n = 1, 2, ... 64 BOOL
stand for the
No. of the out-
put
n = 1, 2 INT
n = 1, 2, ... 64 BOOL
stands for the
No. of the
marker
n = 1, 2 INT
n = 1,2, ...64 BOOL
n = 1, 2 INT
n = 1, 2...16 REAL
stand for the
No. of the timer
n = 1, 2, 3 INT
n = 1, 2, 3 BOOL
Bits 0...27 INT
crosswise data
comparison er-
ror in the I/O
signals or flag
bits
Bit 28 cross-
wise data com-
parison error
"SPL protec-
tion status"
Bit 29 timeout
in the commu-
nications be-
tween NCK
and SPL
Bit 30 PLC sig-
nals a stop to
the NCK
Data Description
8.4 System variables
r w r w
x x
x x
x x x x
x x x x
x x
x x
x x x x
x x x x
x x
x x
x x x x
x x
x x
x x
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