Siemens SIMATIC NET CP 343-1 Uživatelský manuál stáhnout pdf (Strana 32)

5 Performance Data / Operation

B−32

CP 343-1 Advancedfor Industrial Ethernet / Manual Part B

Release 06/2008

C79000-G8976-C202-04

5.4 PROFINET IO

5.4.1 Characteristic data

Possible modes with PROFINET IO

With PROFINET IO, the CP can handle real-time communication (RT) and/or

isochronous real-time communication (IRT).

In this case, it can function as a PROFINET IO device and/or as a PROFINET IO

controller.

The following combinations of modes are possible:

S RT device + RT controller

S RT device + IRT controller

S IRT device + RT controller

The following combination is not possible:

S IRT device + IRT controller

Note

Note the information on IRT communication in Section 9.5.

CP as PROFINET IO controller

The CP supports the following maximum configuration as a PROFINET IO

controller:

Table 5-6

Characteristic

Explanation / values

Number of possible PROFINET IO devices 128, including a maximum of 32

IRT devices

If data is stored on the CPU, the

number of operable

PROFINET IO devices may be

< 128. This depends on the free

configuration memory available

on the CPU type you are using.

Size the input area over all PROFINET IO devices *) 4096 bytes max.

Size the output area over all PROFINET IO devices 4096 bytes max.

1 2 ... 27 28 29 30 31 32 33 34 35 36 37 ... 79 80

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Siemens SIMATIC NET CP 343-1 Uživatelský manuál Strana 32