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Chapter 2
GuardLink System Design
30
The safety system response time for the system that is shown in
listed in
Table
6. The time from when the SensaGuard interlock opens to the
time when the 100S contactors drop out is 169.105 ms. The time from when
the SensaGuard interlock opens to the time when the SWS signal turns OFF is
114.105 ms.
Table 6 - Example Response Time Calculation
Component
(1)
SensaGuard
Tap 4
Tap 3
Tap 2
Tap 1
DG Safety Relay
(2)
100S Contactor
Total
(1) See publication 440N-IN008.
(2) See publication 100-TD013.
IMPORTANT
Figure 9
Additional time (for example, for motor stopping time and the response
time of additional components that are connected to the SWS signal) must
be considered.
Rockwell Automation Publication 440R-UM015C-EN-P - April 2018
Response Time [ms]
DG Output
13/14, 23/24
54.0
5.0
0.035
0.035
0.035
60.0
50.0
169.105
and
Table 6
show only a portion of a complete safety system.
Figure 9
is
DG Output
SWS (X2)
54.0
5.0
0.035
0.035
0.035
55.0
0.0
114.105
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