AGL-STOV0-01SV0-05
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12 Safety Function Test Report
The saftey function STO (Safe Torque Off) described in this manual was assessed
and certified by TÜV Rheinland Industrie Service GmbH.
Test institute TÜV Rheinland Industrie Service GmbH
Test report no. 968/M 355.00/12
Test sample Frequency inverter Agile series, concept inspection
Basis of test IEC 61508 Teil 1-7:2010 (as far as applicable)
EN ISO 13849-2:2008 + AC:2009 (as far as applicable)
EN 62061:2005
EN 61800-5-1:2007
EN 61800-5-2:2007
EN 61800-3:2004
EN 60204-1:2006 + A1:2009 + AC:2010
Assessment The Assessment leads to the result, that the safety function
STO inside the drive series AGLx S fulfills the requirements of
Category 3 and PL 3 according to EN ISO 13849-1 and SIL 2 /
SILCL 2 according to EN 62061 / IEC 61508 / EN 61800-5-2
erfüllt.
The requirements of the manual have to be complied with.
12.1 Characteristical Data:
The following data were obtained in the test concept. These data can be used to
determine the security requirements with the frequency inverter as part component.
IEC 61508-1 bis -7 and IEC 62061
Safety Integrity Level SIL CL2
PFH [1/h]: 1,5E-11
EN ISO 13849
Performance Level PL d
Category Cat. 3
MTTFd High
Diagnostic Coverage Medium (90-99 %)
13 STO status (diagnosis)
The actual value STO Status 277 can be used for an extended diagnosis of the two
inputs STOA and STOB. The states of the inputs are displayed bit coded.
Bit Significance Description
0 1 Input STOA missing
1 2 Input STOB missing
2 4 Input STOA switch off
3 8 Input STOB switch off
4 16 Timeout STOA
5 32 Timeout STOB
6 64 Diagnosis fault
7 127 FI fault (error)
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