Siemens CPU 414-2 - Page 114

System Functions
112
S7-400 Instruction List
A5E00267845-01
Execution Time in s
SFC
No.
SFC Name Function
CPU
412
CPU
414
CPU
416
CPU
417
CPUs
414-4H
417-4H
(solo)
CPUs
414-4H
417-4H
(redun-
dant)
19 ALARM_SC Acknowledgment status of the last
ALARM_SQ entering state message.
81 45 30 25 xx xx
20 BLKMOV Copy variable
within the work memory
(n = number of bytes to be copied)
50 +
n
*
0.05
31 +
n
*
0.03
21 +
n
*
0.02
17 +
n
*
0.014
xx +
n
*
yy
xx +
n
*
yy
Source = Load memory 522 +
n
*
0.45
380 +
n
*
0.3
317 +
n
*
0.27
301 +
n
*
0.25
xx +
n
*
yy
xx +
n
*
yy
21 FILL Set array default variables
within the work memory
(n = length of target variables in bytes)
43 +
n
*
0.024
26 +
n
*
0.016
17 +
n
*
0.012
13 +
n
*
0.01
xx +
n
*
yy
xx +
n
*
yy
22 CREAT_DB Create data block
n = DB length [bytes]
111 65 43 38 xx +
n
*
yy
xx +
n
*
yy
Occupy last free DB No. from a field of
100 DBs
517 294 196 164 xx xx
23 DEL_DB Delete data block 112 67 45 39 xx xx
24 TEST_DB Test data block 35 21 14 12 xx xx
25 COMPRESS Compress user memory
First call (trigger)
112 64 43 38 xx xx
Intermediate call (active) 24 14 10 8 xx xx