2 Functions
68
7UM61 Manual
C53000-G1176-C127-3
With a supposed load current of I = 1.5 · I
N, Device
and a preload I
pre
= 0, for different
ambient temperatures Θ
K
the following trip times result
2.9.3 Settings
Addresses which have an appended "A" can only be changed with DIGSI, under Ad-
ditional Settings.
The table indicates region-specific presettings. Column C (configuration) indicates the
corresponding secondary nominal current of the current transformer.
Addr. Parameter C Setting Options Default Setting Comments
1601 Ther. OVER LOAD OFF
ON
Block relay
Alarm Only
OFF Thermal Overload Protec-
tion
1602 K-FACTOR 0.10 .. 4.00 1.11 K-Factor
1603 TIME CONSTANT 30 .. 32000 sec 600 sec Thermal Time Constant
1604 Θ ALARM 70 .. 100 % 90 % Thermal Alarm Stage
1605 TEMP. RISE I 40 .. 200 °C100°C Temperature Rise at
Rated Sec. Curr.
1606 TEMP. RISE I 104 .. 392 °F212°F Temperature Rise at
Rated Sec. Curr.
1607 TEMP. INPUT Disabled
Fieldbus
RTD 1
Disabled Temperature Input
www . ElectricalPartManuals . com
To Next Page
Loading...
Need help?
General