Switch User Manual

5 Performance Data

B3L−19

CP 343-1 Lean for Industrial Ethernet / Manual Part B3L

Release 03/2007

C79000-G8976-C198-04

5.4 Characteristic Data for PROFINET IO

CP as PROFINET IO device

The CP supports the following maximum configuration as a PROFINET IO device:

Table 5-5

Characteristic

Explanation / Values

Size of the input area of the PROFINET IO device 512 bytes max.

Size of the output area of the PROFINET IO device 512 bytes max.

Size of the IO data area per submodule in a PROFINET IO device

S Inputs

S Outputs

240 bytes

Size of the consistency area for a submodule 240 bytes

Maximum number of submodules 32

Execution times of the FCs PNIO_SEND / PNIO_RECV

The calculation of the reaction times with PROFINET IO is determined by the

execution time of the function blocks required on the S7-300 CPU (PNIO_SEND,

PNIO_RECV).

Table 5-6

Component

Explanation / Values

Execution time on the CPU

315−2DP

(6ES7 315−2EG10−0AB0)

per PNIO_SEND block call:

S < 1 ms at 240 bytes

per PNIO_RECV block call:

S < 1 ms at 240 bytes

Execution time on the CPU

317−2PN/DP

(6ES7 317−2EJ10−0AB0)

per PNIO_SEND block call:

S < 0.8 ms at 240 bytes

per PNIO_RECV block call:

S < 0.8 ms at 240 bytes