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