System Functions
119
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
“Modules LEDs” partial list
Status of an LED (0174)
182
124
88
77
xx - xx
xx - xx
51
RDSYSST
“Switched DP slaves in the H system”
partial list
Communication status between the
H system and a switched DP slave (0C75)
-
-
-
-
-
xx - xx