Iskra FPC 200 - Page 49

Functionality
USER MANUAL FPC 200 - 3/2017 49
2.5.1.2 Setting parameters
Parameter
Range
Description
Enabled
No
Yes
Enabling protection function.
Operation Mode
Off
On
Enabling protection function separately for each group level.
k-factor
0,1 … 1,10 … 4,0 In
Maximal permanent thermal current allowed relative to the nominal
current.
Alarm temperature value
45,0 … 90,0 … 99,0 %
Alarm limit, 
alm
High temperature value
45,0 … 95,0 … 99,0 %
Signal intendent to inhibit closing of breaking device.
Heating time constant
1,0 … 100,0 … 1000,0 min
Heating and cooling time constant, τ
High temperature mode
Start on trip
Start on high temperature
Pickup block
None
Variable 1
Variable 2
Variable 3
Variable 4
Source of blocking signal.
Table 36: Thermal overload function parameters.
2.5.1.3 Counters
Name
Description
Temperature L1
Calculated machine temperature in phase L1, 100% = 1.000 pieces.
Temperature L2
Calculated machine temperature in phase L2, 100% = 1.000 pieces.
Temperature L3
Calculated machine temperature in phase L3, 100% = 1.000 pieces.
Pickup
Total consecutive number of pickup signals.
Trip
Consecutive number of trip signals.
Temperature
Calculated machine temperature  , biggest phase, 100% = 1.000
pieces.
Table 37: Counters presented in thermal overload function.