System Functions
121
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)
Distributed
a module with logical basic address
(0C91)
236
150
99
87
xx
xx
51
RDSYSST
“Module status information” partial list
of a module (distributed) with logical basic
address (4C91)
First call
116
95
63
55
xx
xx
“Module status information” partial list
of a module (distributed) with logical basis
address (4C91)
Intermediate call
--
--
--
--
xx
xx
“Module status information” partial list
of a module (distributed) with logical basic
address (4C91)
Last call
--
--
--
--
xx
xx