5 Performance Data / Operation
B−26
CP 443-1 for Industrial Ethernet / Manual Part B
Release 07/2010
C79000-G8976-C223−06
Limitation by the CPU
In productive operation, the number of simultaneous SEND/RECEIVE calls
depends on the CPU resources being used. Note the information on the available
CPU resources in Section 2.2.
The following CPU resources are required:
S Per SEND job short (FC5) or long (FC50): 1 resource
S Per RECEIVE job short (FC6): 1 resource
S Per RECEIVE job long (FC60): 2 resources
S Per SPEED SEND/RECV job (FC53, FC63): 0 resources
Limitation by the CP
A maximum of 64 SEND/RECEIVE connections can be operated by the CP.
At an assignment of 1 CP per CPU, the maximum number of SEND/RECEIVE
calls that can be used at one time is limited as follows:
S SEND calls short (FC5) or long (FC50): max. 32*
)
/ 12**
)
per CPU
S RECEIVE calls short (FC6): max. 64*
)
/ 24**
)
per CPU
S RECEIVE calls long (FC60): variable ***
)
*
)
The values apply to the CPU 416 and CPU 417.
*
)
The values apply to the CPU 412 and CPU 414.
***
)
The number of FC60s that can be used at the same time depends on the
number of SEND calls active at the same time (see Tables 5-4 and 5-5).
Table 5-4 Dependency of the maximum number of RECEIVE calls long (FC60) used at the same time
on the number of SEND calls (CPU 412/414)
Number of
simultaneous SEND
calls
0 1 2 3.
4
5 6 7 8
9
10 11 12
Max. number of
simultaneous FC60s
per CPU 412/414
19 18 17 16 15 14 13 12 11 10 9
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