Siemens SIRIUS 3SK1 Manual page 202

Display and diagnostics
12.4 Diagnostics
Safety mode
Explanation
No startup testing
Device ready for operation, all outputs OFF
Device ready for operation, all outputs ON
Device ready for operation, instantaneous outputs OFF,
time-delayed outputs ON
For monitored start: START button not yet pressed
With input expansion: missing enabling signal of input
expansion
Configuration has been changed (PAR, DIP switch,
potentiometer)
For 1x2-channel: Simultaneity violated
For two-hand operation: time monitoring violated
Short-circuit test clock output T1 or T2
For monitored start: START button was pressed too long
or has a short-circuit
Feedback circuit error
Dependent on device status
1)
Green flashing DEVICE LED: No startup testing
2)
Error mode
Explanation
Device fault (restart possible by pressing the SET/RESET
button)
Group error (restart possible by pressing the SET/RESET
button)
Group error, cross-circuit at the input (restart possible by
pressing the SET/RESET button)
System stop (restart possible by disconnecting and re-
connecting the operating voltage)
On time-delayed devices, the LED flashes green/yellow provided the time-delayed outputs are still switched on
3)
202
DEVICE OUT
Green Off
flashing
Green Off
Green Green
Green Green/yellow
flashing
Green Off
Green Off
Green/yellow —
1)
flashing
Green Off
Green Off
2)
Green Yellow
flashing
Green Green
flashing
DEVICE OUT
Red Off
3)
Off Off
3) 3)
Off Off
3) 3)
Red Off
3)
Manual, 06/2018, A5E02526190021A/RS-AD/004
IN SF
Off Off
Off Off
Green Off
Off Off
Green Off
flashing
Yellow Off
flashing
— —
1) 1)
Green Red flashing
flashing
Yellow Red flashing
flashing
Off Red flashing
Green Red flashing
IN SF
Off Off
3) 3)
Off Red
3)
Flashing Red
yellow
3)
Off Red
3)
SIRIUS 3SK1 safety relays