WEG SCA06, User Manual, Page: 26 / 79

26 | SCA06
Safety Data
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7 SAFETY DATA
The safety data is presented below. General data about the SCA06 servodrive can be
found in the User’s Manual, available at www.weg.net .
Safety category
SIL 3 per IEC61508 and EN62061
PL e, Cat. 4 per EN ISO 13849-1
Stop Cat. 0 per IEC 60204-1
Safe Torque Off (STO) per IEC 61800-5-2
Power Supply (I/O)
24 Vdc ±15 %, PELV or SELV
1 A (models SCA06B05P0D2 and SCA06C08P0T2)
2 A (other SCA06 models)
PFD
avg
2.42 . 10
-06
PFH(1/h) 2.76 . 10
-11
MTTF
d
(y) 4842 years
DC
avg
99 %
Hardware Fault Tolerance
(Type A)
1
HFT 1 (1oo2)
Safe Failure Fraction 60 % … < 90 %
Proof Test interval
> 20 years
Note: This means that the lifetime, or mission time, of the
product is limited to 20 years, i.e., the product shall be
replaced after 20 years
Reaction time < 10 ms
OSSD test pulses Up to 1 ms
Inputs according to IEC 61131-2,
Type 2
On 11 V (min.), 30 V (max.)
Off < 5 V
Max. discrepancy time between
input signals
1 s