Safety Function Test Report; Sto Status (Diagnosis) - BONFIGLIOLI ACTIVE CUBE Series Applications Manual

10
The concept relating to the safety function STO (Safe Torque Off) described in this
manual was assessed and certified by Berufsgenossenschaftliches Institut für Ar-
beitsschutz (Trade Association Institute for Work Safety).
Test institute
Test report no.
Test sample
Basis of test
Assessment
11
The actual value STO state 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
0
1
2
3
4
5
6
7
26

Safety Function Test Report

Institut für Arbeitsschutz der Deutschen Gesetzlichen Unfallversi-
cherung
200622803
Frequency inverter of ACTIVE Cube series, concept inspection
DIN EN 61508 Parts 1-7:2002/2005 (as far as applicable)
DIN EN ISO 13849-2:2003 (as far as applicable)
EN 13849 -1:2006-11
DIN EN 954-1:1997-03
DIN EN 62061
DIN EN 61800-5-1
IEC 61800-5-2:2007
DIN EN 61800-3
Due to the realized error tolerance and the measures for error
management, error prevention and error identification, the pre-
sented concept meets the requirements up to safety integrity level
SIL 2 according to DIN EN 61508, category 3 according to DIN EN
954-1 as well as performance level d according to EN 13849-1.

STO status (diagnosis)

Description
1 Input STOA missing
2 Input STOB missing
4 Input STOA switch off
8 Input STOB switch off
16 Timeout STOA
32 Timeout STOB
64 Diagnosis fault
127 FI fault (error)
ACU-STOV1-01SV2-03 en
03/11