System Function Blocks
147
S7-400 Instruction List
A5E00267845-01
SFB
No.
Execution Time in
s
Function
SFB Name
SFB
No.
CPU
414-4H
417-4H
(redun-
dant)
CPU
414-4H
417-4H
(solo)
CPU
417
CPU
416
CPU
414
CPU
412
Function
SFB Name
54
RALRM
Receive interrupt from a DP slave
Runtime measurement at external DP
interface, MODE = 1,
OB 40, OB 83, OB 86
404
239
156
137
xx
xx
OB 55 to OB 57, OB 82
675
431
281
246
xx
xx
OB 70
--
--
--
--
xx
xx
54
RALRM
Receive interrupt from a DP slave
Runtime measurement at central I/O,
MODE = 1,
OB 40, OB 82, OB 83, OB 86
195
117
77
67
xx
xx
OB 55 to OB 57
583
435
283
248
xx
xx