Led Displays; Led Displays (As-I Version) - Siemens SIMATIC FS400 Anleitung

5.2.2 LED displays

LED Color
LED1 Red
LED2 Green
LED3 Orange
LED4 Yellow
Table 5.2-2:
If all LED displays are in the OFF-state at the same time, there is no supply voltage.

5.2.3 LED displays (AS-i version)

LED Color
LED1 Red
LED2 Green
LED3 Orange
Table 5.2-3:
If all LED displays are in the OFF-state at the same time, there is no supply voltage.
Meaning
ON = Safety outputs (OSSDs) in the OFF state
ON = Safety outputs (OSSDs) in the ON state
ON = Weak beam indication
Operating mode with internal RES function:
ON = Internal restart interlock locked and protective field
free
OFF = Both OSSDs in OFF state (LED1=red) internal
restart interlock locked and protective not field
Receiver LED status displays
Meaning
RED = Safety outputs in the OFF state
GREEN = Safety outputs in the ON state
ON = Weak beam indication
AS-i receiver LED status displays
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