Iskra FPC 200 - Page 68

Functionality
68 USER MANUAL FPC 200 - 3/2017
2.6.2.5 Mode 4
Mode 4 is a single TCS input mode without using
external resistor. A trip circuit is supervised only by
circuit breaker being in closed position. The scheme of
such case can be seen on Figure 2.43.
CB position
TCS 1
Alarm
Opened
0
Off.
Opened
1
Off.
Closed
0
After the Delay00 time elapses.
Closed
1
Off.
Unknown
0
After the Delay00 time elapses.
Unknown
1
Off.
Table 62: TCS function response according to inputs using
Mode 4 setting.
Trip Coil
DI1
DI2
+
+
-
-
I52a
I52b
FPC
Circuit
breaker
DI3
+
-
ITCS1
ITCS1
TCS 1
Trip
contact
CB closed 52a
CB open 52b
Relay compartment
Circuit breaker compartment
L+/L1
L+/L1
L-/N
L-/N
Figure 2.43 Trip circuit supervision using only one digital input
without external resistor. The diagram also implies connection
of circuit breaker status.
2.6.2.6 Setting parameters
Parameter
Range
Description
Enabled
No
Yes
Enabling supervision function.
Delay00
0 … 1000 … 60000 ms
Delay of 00 state alarm.
Delay11
0 … 1000 … 10000 ms
Delay of 11 state alarm, inhibited if Allow position 11 is enabled.
Mode
1. Mode 1
I1OP+TC, I2CL+TC
2. Mode 2
I1OP, I2CL+TC, I3TC
3. Mode 3
I1OP, I2CL, I3TC+ER
4. Mode 4
I1OP, I2CL, I3TC
Activation of TCS blocking when CB is in closed position.
Table 63: TCS function parameters.
2.6.2.7 Counters
Name
Description
TCS alarm
Total consecutive number of TCS alarm signals.
Table 64: Counter presented in TCS.