Indicators - Siemens UL 1066 Operating Instructions Manual

9.1.5

Indicators

Scope of indications depends on the type of trip unit.
Trip unit is activated
I > I
min
- or when 24 V auxiliary power is applied.
I :
min
- 80 A for frame size II
- 150 A for frame size III
Overcurrent alarm
- Steady LED, if
I I
R
Communication active
- Another
CublicleBUS
recognized and communication started.
Extended protective function has tripped
- due to metering function
- trip cause saved in event memory
- trip cause readable via:
˘ BDA
˘ PROFIBUS-DP / MODBUS
˘ graphical display (ETU776)
˘ external digital output modules
9 – 10
module has been
Flashing LED