Phoenix Contact FL PN/PN SDIO-2TX/2TX Handleiding (94 Pagina's)

Handleiding

Description of the FL PN/PN SDIO-2TX/2TX

8220_en_06 PHOENIX CONTACT 25

Key:

A Safe PROFINET gateway

WCDT

copy

Worst case delay time of the safe PROFINET gateway

This time is the same for each safety function to be implemented with the

safe PROFINET gateway, regardless of whether safe process data is

being transmitted from system 1 to system 2 or vice versa.

Please refer to “Technical data” on page 61 for this time.

SF

a

Safety function SF

a

(safety chain a)

∑ WCDT

1a

+

∑ WCDT

2a

Sum of the maximum signal runtimes (worst case delay times) of all

PROFIsafe devices in PROFINET systems 1 and 2 that are involved in

safety function SF

a

.

SFRT

a_max

Maximum permissible safety function response time of PROFIsafe

systems 1 and 2 involved in safety function SF

a

and of the safe

PROFINET gateway that is determined for each safety function to be

implemented.

SFRT

a

Safety function response time of PROFIsafe systems 1 and 2 that are in-

volved in safety function SF

a

and of the safe PROFINET gateway that is

actually implemented.

SF

b

Safety function SF

b

(safety chain b)

∑ WCDT

1b

+

∑ WCDT

2b

Sum of the maximum signal runtimes (worst case delay times) of all

PROFIsafe devices in PROFINET systems 1 and 2 that are involved in

safety function SF

b

.

SFRT

b_max

Maximum permissible safety function response time of PROFIsafe

systems 1 and 2 involved in safety function SF

b

and of the safe

PROFINET gateway that is determined for each safety function to be

implemented.

SFRT

b

Safety function response time of PROFIsafe systems 1 and 2 that are in-

volved in safety function SF

b

and of the safe PROFINET gateway that is

actually implemented.

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