Siemens SIRIUS 3SK1

Display and diagnostics
12.4 Diagnostics
3SK1 safety relays
190 Manual, 04/2013, A5E02526190021A/RS-AA/01
Configuration
Explanation DEVICE OUT IN SF
Indication of a modified configuration If the DIP switch position is at ON (right), the relevant LED
flashes yellow
Special configuration, two-hand operation
(NC/NO, autostart, 2x1-channel)
Off If the DIP
switch
position is at
ON (right), the
relevant LED
flashes yellow
Flickering
yellow
If the DIP
switch
position is at
ON (right), the
relevant LED
flashes yellow
Impermissible configuration
(NC/NO, monitored start, 2x1-channel)
Yellow
flashing
If the DIP
switch
position is at
ON (right), the
relevant LED
flashes yellow
Flickering red If the DIP
switch
position is at
ON (right), the
relevant LED
flashes yellow
All DIP switches are at OFF (left) All LEDs light up briefly (yellow) at intervals
Safety mode
Explanation DEVICE OUT IN SF
No startup testing Green
flashing
Off Off Off
Device ready for operation, all outputs OFF Green Off Off Off
Device ready for operation, all outputs ON Green Green Green Off
Device ready for operation, instantaneous outputs OFF,
time-delayed outputs ON
Green Green/yellow
flashing
Off Off
For monitored start: START button not yet pressed Green Off Green
flashing
Off
With input expansion: missing enabling signal of input
expansion
Green Off Yellow
flashing
Off
Configuration has been changed (PAR, DIP switch,
potentiometer)
Green/yellow
flashing
—
1)
—
1)
—
1)
For 1x2-channel: Simultaneity violated,
For two-hand operation: time monitoring violated
Green Off Green
flashing
Red flashing
Short-circuit test clock output T1 or T2 Green
2)
Off Yellow
flashing
Red flashing
For monitored start: START button was pressed too long
or has a short-circuit
Green Yellow
flashing
Off Red flashing
Feedback circuit error Green Green
flashing
Green Red flashing
1)
Dependent on device status
2)
Green flashing DEVICE LED: No startup testing