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Safety data

The safety data for the Safe torque off function is given below.

Note: The safety data is calculated for redundant use, and does not apply if both STO

channels are not used.

(a)

CCFHFTSCCat.

(%)

MTTF

(a)

PFD

avg

= 5

PFD

avg

= 2

PFH

20 a)

(1/h)

SFF

(%)

SIL/

SILCL

Frame

size

1-phase U

= 230 V

2080133≥901968

1.86E-

7.43E-

8.52E-

>99e3R0

2080133≥901968

1.86E-

7.43E-

8.52E-

>99e3R1

2080133≥901968

1.86E-

7.43E-

8.52E-

>99e3R2

3-phase U

= 230 V

2080133≥902210

1.68E-

6.71E-

7.65E-

>99e3R1

2080133≥902209

1.68E-

6.71E-

7.65E-

>99e3R2

2080133≥902569

1.67E-

6.68E-

7.61E-

>99e3R3

2080133≥902568

1.67E-

6.68E-

7.61E-

>99e3R4

3-phase U

= 400/480 V

2080133≥902210

1.68E-

6.71E-

7.65E-

>99e3R0

2080133≥902210

1.68E-

6.71E-

7.65E-

>99e3R1

2080133≥902209

1.68E-

6.71E-

7.65E-

>99e3R2

2080133≥902569

1.67E-

6.68E-

7.61E-

>90e3R3

2080133≥902568

1.67E-

6.68E-

7.61E-

>99e3R4

3AXD10000320081 F

• The following temperature profile is used in safety value calculations:

•

670 on/off cycles per year with ΔT = 71.66 °C

•

1340 on/off cycles per year with ΔT = 61.66 °C

•

30 on/off cycles per year with ΔT = 10.0 °C

• 32 °C board temperature at 2.0% of time

The Safe torque off function 199

Brand	ABB
Model	ACS380
Category	DC Drives
Language	English

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