PSR-PC40

106256_en_03

PHOENIX CONTACT

13

14

Application examples

Key:

Applications with the PSR-PC40

14.1

Application example 1 - SIL 3

–

Low-demand application

–

Single-channel control

–

Automatic activation

–

Monitoring of external contactors

Figure 11

Application example 1 - SIL 3

14.2

Application example 2 - SIL 3

–

Low-demand application

–

Single-channel control

–

Automatic activation

–

Controlling valves (for example)

Figure 12

Application example 2- SIL 3

SIS

=

Safety Instrumented System (safe control)

DC

=

Diagnostic Coverage according to IEC 61508

(line/load diagnostics at DO)

DI

=

Digital input

DO

=

Digital output

K1/K2

=

Contactors

Data for the application example as 1001 structure

Equipment type

A

HFT

0

SIL

3

SFF

99.71 %



SD

0 FIT



SU

1798 FIT



DD

0 FIT



DU

5.236 FIT



Total

1803 FIT

MTBF

54 years

PFD

avg

2.29 x 10

-05

(for T1 = 1 year)

K1

K2

M

M

(N)

K1

K2

DO DO DI

SIS

DC 90%

K1

K2

L

L

A1'

A2

13

14

PSR-PC40

( )

M1

Y2

( )

Y1

( )

+

23

24

A1

Data for the application example as 1001 structure

Equipment type

A

HFT

0

SIL

3

SFF

99.71 %



SD

0 FIT



SU

1798 FIT



DD

0 FIT



DU

5.236 FIT



Total

1803 FIT

MTBF

54 years

PFD

avg

2.29 x 10

-05

(for T1 = 1 year)

M

(N)

DO DO DI

SIS

DC 90%

L

L

A1'

A

2

1

3

14

PSR-PC4

0

( )

M1

Y

2

( )

Y1

( )

+

23

24

A1

e.g.