Specification Of The Safety Function 2 (Sf2): Ss1 - BONFIGLIOLI Agile Series Application Manual Functional Safety

6.3

Specification of the Safety Function 2 (SF2): SS1

Type of Safety function SF2
According to EN 61800-5-2:
Active Principle of SF2
Demand rate
SIL-Level (IEC 61508)
Redundancy
Performance Level (EN ISO 13849-1) d with suitable safety switching device
Amount of Processs interfaces
Design of Processs interface
Type of Processs interface STO
Operation modes with limited func-
tionality of SF 2
Response time SF2
Fault Reaction time DF2
The security function corresponds to a controlled stop to EN 60204-1, Stop
Category 1.
V
t
t1
t2
Δt
18
Speed axis
Time axis
Time frame, when braking ramp is triggered (non safe path)
Time frame, when STO is triggered
Time between activation of braking ramp and triggering STO
Are of maximum braking Time,
Set up on external safety control device.
Area of discontinuation
Safe Stop 1,
SS1 c
• Delay of motor with suitable braking ramp
•
Disconnection of energy supply to the
motor after elapsing of a safe time delay
High
2 with suitable safety switching device
On two channels (2)
• External safety switching device according
to requirements of risk analysis
• Two (2) on AGL
• External safety switching device according
to requirements of risk analysis
• Two yellow marked spring terminals X11.3
and X13.3 (inputs STOA und STOB)
SPS-Type 1 compatible
IEC61131-2
None
• External safety switching device: accord-
ing to data sheet of device
• AGL: Less than or equal to 150 ms
• External safety switching device: accord-
ing to data sheet of device
• AGL: Less than or equal to 220 ms
according to
AGL-STOV0-01SV0-05
06/12