System Functions
123
S7-400 Instruction List
A5E00267845-01
Execution Time in
s
SFC
No.
SFC Name
Function
CPU
412
CPU
414
CPU
416
CPU
417
CPU
414-4H
417-4H
(solo)
CPU
414-4H
417-4H
(redun-
dant)
51
RDSYSST
Display activation status of DP master
system 1 (via integrated DP interface)
(0192)
676
398
264
226
xx
xx
51
RDSYSST
central
Display the actual status of rack 0 (0292)
129
87
57
51
xx
xx
distributed
Display the actual status of DP system 1
(0292)
677
417
277
239
xx
xx
51
RDSYSST
Display the actual status of the stations of
a DP master system (via external DP
interface) (4292)
250
147
97
86
xx
xx
51
RDSYSST
Display the status of rack 0 battery buffer
if at least one battery has failed (0392)
144
87
57
51
xx
xx
51
RDSYSST
Display the status of the entire battery
buffer of a CPU (0492)
129
87
57
51
xx
xx
51
RDSYSST
Display the status of the 24 V supply of all
racks of a CPU (0592)
144
87
57
51
xx
xx