System Functions
130
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)
59
RD_REC
Read data record
local (n = number of bytes)
278 +
n * 3.2
169 +
n * 2.7
119 +
n * 2.4
106 +
n * 2.3
xx +
n * yy
xx +
n * yy
First call, integrated DP interface module
264
156
105
91
xx
xx
Intermediate call, REQ = 0
integrated DP interface module
112
66
45
38
xx
xx
Last call, integrated DP interface module
(n = number of bytes)
201 +
n * 0.04
119 +
n * 0.04
81 +
n * 0.03
70 +
n * 0.03
xx +
n * yy
xx +
n * yy
First call, external DP interface module
255
151
101
88
xx
xx
Intermediate call, REQ = 0
external DP interface module
113
67
45
40
xx
xx
Last call, external DP interface module
(n = number of bytes)
196 +
n * 0.06
116 +
n * 0.06
78 +
n * 0.03
68 +
n * 0.03
xx +
n * yy
xx +
n * yy
60
GD_SND
Send GD packet
1 byte
207
124
83
72
--
--
32 bytes
553
331
212
183
--
--
61
GD_RCV
Receive GD package
(1 - 32 Byte)
100
60
41
35
--
--
