Pepperl+Fuchs VBG-EN-K30-DMD-S16 Manual page 19

System configuration - example 1: Calculation of the system reaction time
S1-1
AS-i 1
S2-1
AS-i 2
Upon activation of safety light barrier S1-2, the relay safety output of safety moni-
tor SM1-2 is controlled.
Calculation of the AS-i relevant system reaction time:
t
System total a)
Subject to reasonable modifications due to technical advances.
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SM1-1
AS-i Safety Monitor
M
SM2-1
AS-i Safety Monitor
= t + t
R S1-2 R System
SM1-2
AS-i Safety Monitor
M
= 18ms + 40ms = 58ms
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AS-Interface
Spezifications
M
S1-2
M
A2-1
I – I + I + I +
I 1 I 2 1.Y1 1.Y2
Run Prg
Prg
1.13 1.14 1.23 1.24
ASI+ ASI– nc nc
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