Technical Specifications Of The Function Blocks; Table 6-8 Memory Requirements Of The Function Blocks (In Bytes); Table 6-9 Run Times Of The Function Blocks In Ms - Siemens SIMATIC S7-400 CP 440 Installation And Parameter Assignment

Communication via Function Blocks

6.6 Technical Specifications of the Function Blocks

6.6 Technical Specifications of the Function Blocks
Introduction
The following lists the technical data for the memory requirements, runtimes, minimum
number of the CPU cycles and the system functions used.
Memory requirements
The table below contains the memory requirements of the function blocks of the CP 440.
Table 6-8 Memory Requirements of the Function Blocks (in Bytes)
Block Name
FB 9 RECV_440
FB 10 SEND_440
FB 11 RES_RECV
Run Times
The table below contains the run times of the function blocks of the CP 440.
Table 6-9 Run Times of the Function Blocks in ms
Block Name
FB 9 RECV_440
FB 10 SEND_440
FB 11 RES_RECV
* The run times are based on a data block size of 30 bytes.
108
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Version Load memory
1.0 1228
1.0 1068
1.0 900
Version Function*
1.0 Idling
Receiving*
1.0 Idling
Sending*
1.0 Idling
Reset
Working memory
990
846
710
CPU 414 CPU 416
6ES7414-2XG03-0AB0 6ES7416-2XK02-
0AB0
24 20
390 330
26 22
490 410
20 17
350 290
Point-to-point connection CP 440 Installation and Parameter Assignment
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Local data Instance DB
26 36
26 36
38 26
CPU 417
6ES7417-4XL00-
0AB0
24
390
26
490
20
350
Manual, 09/2007, A5E00057742-03