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Siemens CPU 412-1 Instruction Manual Page 129

S7-400; cpu 412 series; cpu 414 series; cpu 416 series; cpu 417 series;.
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SFC
SFC Name
No.
51
RDSYSST
"Diagnostic Data DP Slave" partial list
Display via configured diagnostic address
(00B4)
First call
Intermediate call, REQ = 0 (00B4)
Last call (6 - 240 bytes) (00B4)
52
WR_USMSG
Write user entry in diagnostic buffer
write with message
without message
54
RD_DPARAM
Read dynamic parameters
local AI 8*13 bits
distributed AI 8*12 bits (DS1 = 14 bytes)
55
WR_PARM
Write dynamic parameters
local AI 8*13 bits
distributed
First call AI 8*12 bits (14 - 240 bytes)
distributed
Intermediate/last call, REQ = 0
S7-400 Instruction List
A5E00267845-01
Function
Execution Time in ms
CPU
CPU
CPU
412
414
416
385
266
213
--
--
115
246
170
135
151
93
66
87
53
36
154
85
57
167
101
68
359
228
164
308
182
123
138
82
55
System Functions
CPU
CPU
CPU
417
414-4H
414-4H
417-4H
417-4H
(solo)
(redun-
dant)
266
272
351
--
149
148
170
174
173
54
xx
xx
3030
xx
xx
50
xx
xx
59
xx
xx
146
xx
xx
107
xx
xx
48
xx
xx
127

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