Siemens 7XT3300-0 A00 Series Directions For Use Manual page 33

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