Diagnostics Logic; Monitoring - Siemens Sirius 3RK3 System Manual

8.4.2

Diagnostics logic

8.4.2.1

Monitoring

The menu command "Target system" > "Diagnostics logic" > "Monitor" shows the status of
the inputs/outputs, of the functions, and of the connections between the functions.
The status of the connections is determined based on the result of logic operation (RLO) of
the respective function output.
Requirements
● The safety relay is opened online.
● The logic diagram with the safety circuit is active.
● The MSS is in safety mode or test mode
General element status
Symbol
Status of the function inputs/function outputs
Symbol
Modular Safety System 3RK3
System Manual, 10/2008, 926 2530-02 DS 02
Color Meaning
Gray Function is deactivated.
Green At least one function output is active.
Green flashing Function is ready and is waiting for a start signal.
Yellow flashing Function is waiting for startup test.
Blue Timer is active
Red Wiring fault
Flashing red Logic error, e.g. status of the feedback contact, does not
match the setpoint value.
Color Meaning
Green Function input active
Blue Function input inactive
Diagnostics / service
8.4 Diagnostics with MSS ES
261