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■Safe Performance
(1) Safe Performance:CN8□ of SERVOPACK (SGD7S:CN8, SGD7W:CN8A/CN8B)
Items
Standards
Performance Level
Safety Integrity Level
IEC 61508
SIL3
IEC 62061
SILCL3
Probability of dangerous failure per hour
IEC 61508
IEC 62061
PFH = 4.40×10
-9
[1/h]
(4.40% of SIL3)
Performance Level
EN ISO 13849-1
PL e (Category 3)
Mean time to dangerous failure of each channel
EN ISO 13849-1
MTTFd: High
Average diagnostic coverage
EN ISO 13849-1
DCavg: Medium
Stop category
IEC 60204-1
Stop category 0
Safety function
IEC 61800-5-2
STO
Mission time
IEC 61508
10 years
Hardware Fault Tolerance
IEC 61508
HFT = 1
Subsystem
IEC 61508
B
Note : Safe performance of SERVOPACK
’
s the CN8□ safety function (STO)
This specification is applied when to use HWBB-input from the CN8□ of SERVOPACK.
(2) Safe Performance:Safety Module
Items
Standards
Performance Level
Safety Integrity Level
IEC 61508
SIL2
IEC 62061
SILCL2
Probability of dangerous failure per hour
IEC 61508
IEC 62061
PFH = 3.3×10
-7
[1/h]
(3.3% of SIL2)
Performance Level
EN ISO 13849-1
PL d (Category 2)
Mean time to dangerous failure of each channel
EN ISO 13849-1
MTTFd: High
Average diagnostic coverage
EN ISO 13849-1
DCavg: Medium
Safety function
IEC 61800-5-2
STO/SS1/SS2/SLS
Mission time
IEC 61508
10 years
Hardware Fault Tolerance
IEC 61508
HFT = 1
Subsystem
IEC 61508
B
Note : Safe performance of the Safety Module Safety function A (CN21) and Safety function B (CN22)
Safe Performance with a combination the SERVOPACK and the Safety Module
SERVOPACK
Safety Module
(1)Safe Performance :
SERVOPACK CN8□ (*1)
(2)Safe Performance :
Safety Module (*1)
SGD7S (400V)
SGDV-OSA01A
CN8 : Not apply (*3)
Apply
SGDV-OSA01A000FT900
CN8 : Apply
Apply
SGD7W (400V) Axis A(*2)
SGDV-OSA01A
Apply
Apply
Axis B(*2)
-
CN8B : Apply
-
SGD7W (400V) Axis A
SGDV-OSA01A000FT900
CN8A : Apply
Apply
Axis B
-
CN8B : Apply
-
*1:Refer to
“
■Safe Performance” for the details of the safe performance.
*2:When the Safety Module is attached to the SGD7W, the Safety Module operates for Axis A only.
*3:A safety jumper connector shoud be connected for not applied CN8□.