7XT3300-0*A00 English
C53000-B1175-C129-1 33
Table 1 below gives an overview of all operating states and signals.
Figure 2 Position of the BLOCKED and RUN LEDs on the front and back panel
Table 1 Operating states and signals
LED red
„BLOCKED“
LED green
„RUN“
Description Condition of
signal relay
Output of
20-Hz signal
OFF ON Device is ready for operation picked up Yes
ON OFF Device is not ready for opera-
tion or blocked via binary input
dropped out No
OFF Flashing Auxiliary voltage < 80 V dropped out No
Flashing OFF Restart dropped out No
OFF OFF Device is off dropped out No
NOTE
The shining of the red BLOCKED LED means: no 20-Hz voltage
available.
BLOCKED
RUN
RUN
BLOCKED
Front Side
Rear Side