Characteristic safety values of MOVISAFE® CSA31A

 

Characteristic values according to

EN 62061/EN 61800-5-2

EN ISO 13849-1

Tested safety class/standard basis

SIL 3

PL e

Probability of dangerous failure per hour (PFHD value)

8.5 × 10-9 1/h

Mission time/service life

20 years, after which the component must be replaced with a new one.

Proof test interval

20 years

-

Safe state

Value "0" for all safe F-DO process values (output disabled).

Safety sub-function

SS1, SS2, SOS, SLS, SSM, SSR, SDI, SLI, SLA, SCA, SLP

With the following encoder combinations, the following maximum performance levels (PL) can be achieved.

  • 1-encoder concept – FS motor encoder

Encoder combination

Maximum performance level (PL) that can be achieved

All permitted FS motor encoders

PL d

  • Double-encoder concept

Encoder combination

Maximum performance level (PL) that can be achieved

FS motor encoderOnly the sin/cos signals are evaluated for safety reasons.

sin/cos

PL eFor speed and relative position.

FS motor encoderOnly the sin/cos signals are evaluated for safety reasons.

SSI

sin/cos

SSI

PL d

sin/cos

sin/cos

EI7C FS

SSI

HIPERFACE®

SSI

HIPERFACE®

sin/cos

SSI

SSI

PL d

  • 1-encoder concept – FS distance encoder

Encoder combination

Maximum performance level (PL) that can be achieved

SSI

SSI

PL eFor speed and absolute position.