Siemens SIRIUS 3RK3 Equipment Manual page 261

Modular safety system
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LED
SF
F-IN1, F-
IN2
IN3, IN4,
IN5, IN6,
IN7, IN8
Q1, Q2
Please note the safety information below.
1)
System Restart After Fault Acknowledgment/Restart
Can Cause Death, Serious Injury, or Damage to Property.
After fault acknowledgment/restart, the system immediately resumes operation with the
values specified by the control, and outputs are activated if the power-on condition is fulfilled.
Take appropriate measures (e.g. start button with monitored starting) to prevent unintentional
restarting and to ensure a defined start of the system.
Reference
You will find further information on the LED display during startup in Chapter "Startup / self-test
of the MSS 3RK3 Advanced (Page 85)"
SIRIUS 3RK3 Modular Safety System
Equipment Manual, 07/2020, NEB926253002000/RS-AC/006
Display
Off
red
red flashing
0.5 Hz (ratio 1:1)
Off
green
green flashing
(1.75 s ON/
0.25 s OFF)
green flashing
(0.75 s ON/
1.25 s OFF)
Off
green
green flashing
(1.75 s ON/
0.25 s OFF)
green flashing
(0.75 s ON/
1.25 s OFF)
Off
green
WARNING
Description
No group error
Group fault
that requires acknowledgment
1)
(wiring, communication, parameterization or configuration error)
Self-acknowledging group fault (logic error)
(e.g. discrepancy time violation, violation of a signal sequence)
Input signal not present
Input signal present
Error detected (cross-circuit at input / wirebreak / short-circuit to power
cable / discrepancy error / feedback circuit error / sequence error / error
during startup test)
Input signal present
Error detected (cross-circuit at input / wirebreak / short-circuit to power
cable / discrepancy error / feedback circuit error / sequence error / error
during startup test)
Input signal not present
Input signal not present
Input signal present
Error detected (feedback circuit error/sequence error)
Input signal present
Error detected (feedback circuit error/sequence error)
Input signal not present
Output signal not present
Output signal present
Diagnostics / service
7.3 Diagnostics with LEDs
261

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