Siemens SIDOOR ATD401W - Page 171

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The following 󹪝gure schematically shows the interconnection of a type 3 or type 4 ESPE with the
SIDOOR ATD4xxW control unit using SIEMENS 3SK1111-2AB30 switchgear. For this series
connection of these three units (1x sensor PL>= d, 1x switchgear PL>=d, 1x ATD4xxW PL d), this
results in an overall PL of PL d according to EN ISO 13849-1:2015 section 6.3:
Light
curtain
(receiver)
T4
INF/S
T2
IN2
IN1
IN3
Safety relay
SIEMENS 3SK1111-2B30
"AUTO" switch
X100.1
X100.2
X4.1 (+24V)
X4.2 (GND)
X6.5 Input 1
X6.6 (GND)
SIDOOR ATD4xxW
A1
13
14
A2
double insulated,
spatially separated
see EN ISO 13849-2: 2012
Tab. D.4 error and
fault exclusions -
lines/cables
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7HVW287
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Controllers
5.7 Sensors and external sensor interface module
ATD4xxW for industrial applications
System Manual, 06/2022, A5E51901827B AA 169