System Functions
125
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
“Diagnostic buffer” partial list
Display all deliverable event information in
the current operating mode (max. 21)
(00A0)
135 -
314
86 - 188
60 - 125
45 - 111
xx - xx
xx - xx
Display the latest entries
(n = 1-23) (01A0)
135 +
n* 7.8
86 +
n* 4.4
57 +
n* 3
50 +
n* 3
xx +
n* yy
xx +
n* yy
Display the header information (0FA0)
115
75
49
43
xx
xx
51
RDSYSST
“Diagnostic data DS 0” partial list
Display via logical basic address (00B1)
Central
342
212
148
133
xx
xx
51
RDSYSST
Distributed (00B1)
first call
313
184
123
109
xx
xx
Distributed (00B1)
intermediate call, REQ = 0
172
103
68
60
xx
xx
Distributed (00B1)
last call
195
116
77
68
xx
xx