Siemens SINUMERIK 840D

15
Tables 04.00
15.2 List of s
y
stem variables
15
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15-574
SINUMERIK 840D/840Di/810D/FM-NC Programming Guide Advanced (PGA) – 04.00 Edition
Identifier Type Description: System variable/value range/index Part pro Sync O S
$A_STATSID
INT $A_STATSID
Safety: Status of cross-checking between NCK and PLC
if value is unequal to zero, an error has occurred in cross-checking
RS R 5
$A_CMDSI
BOOL $A_CMDSI[n]
Safety: Control word for cross-checking between NCK and PLC.
Array index n = 1: Increase timer for signal change monitoring to 10 s
n: Number of control signal for cross-checking NCK – PLC
RS W
S
RW+ 5
$A_LEVELSID
INT $A_LEVELSID
Safety: Display of signal change monitoring level. Indicates the
current number of signals marked for data cross-checking.
RS R 5