Alarms; Timer - ABB TS3 Instruction Manual

5.5.1.2 Auto protection
The time/current curve of the auto protection function is quoted here following:
Graph 1
The auto protection function, implemented on TS3, protects the trip unit under test for incorrect setting or/and cabling by the
user.

Alarms

5.5.2
Here following, the alarms messages visualized by the display in case of anomalies on supply voltage or internal overheating
of the instrument.
Nr. Parameter Description
1 Overvoltage Overvoltage (115 ... 125% on the
network supply voltage)
2 Undervoltage Undervoltage (75 ... 85% on the
network supply voltage)
3 Overheat Internal temperature (75 °C ±10%)
Table2. Alarms.
5.5.3

Timer

Technical characteristics
Nr. Parameter
1 Resolution
2 Max Tolerances for timer stop after TC trip
Table3. Timer Characteristics.
888.902.6111
Auto protection time/current curve
10000
t [s]
1000
100
10
1
0,1
0,1 1
TS3 1SDH000670R0002
www.intellirentco.com
|
10 100
x In
Message on the Display
"OVERVOLTAGE"
"UNDERVOLTAGE"
"OVERHEAT"
Value/range
1 ms
2 ms
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