Siemens SIMATIC S5 CP 523 Manual page 227

Serial i/o module
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CP 523
8.2.6
Execution Times for FB 200 and 201
CPU
FB
RLO = 0
(no op.)
200
7.5
941
201
7.5
200
942
201
200
2.5
943
201
2.5
200
0.5
944
201
0.5
EWA 4NEB 811 6044-02a
Table 8-5. Execution Times for FB 200 and 201 (in ms)
12 Bytes
Fixed Mess.
with End--
Frame
Length
Character
50
50
5
20
5
20
14
14
3.5
6.5
Using the "SEND" and "RECEIVE" Function Blocks
12 Bytes
12 Bytes
with
of-Text
3964(R)
Protocol
55
52
50
48
20
24
20
21
15
18
16
15
3.5
3.5
6.5
6.5
256 Bytes
256 Bytes
Fixed Mess.
with End-
Frame
of-Text
Length
Character
520
550
550
560
240
210
250
225
150
140
165
165
27
30
90
90
256 Bytes
with
3964(R)
Protocol
520
550
220
225
160
165
26
88
8-37

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