(For CSENEX-I 202 Model)
Front Interface of the Relay
R
I
CSEN
EX
TRIP
PICKUP
L
1
L 2
L 3
AR
E
BF/TCS
F1
CLOSE
OPEN
C
O
N
T
R
O
L
U R R E N T
C
R O T E C T I O N
P
E L A Y
R
USB for Front
Communication
with Laptop/PC
Key operation
indication LEDs
Scroll / Edit key
Fault Reset key
Power On LED
(Relay ready for operation)
* It must glow otherwise check
the trouble shooting tips on last
page
LCD
Assignable function key
F1: (DO1...DO4) DO Reset
CLOSE: CB Close key
on assigned DO
OPEN: CB Open key
on assigned DO
BF/TCS: indicates the
Circuit Breaker failure
or Trip Circuit failure
E: indicates the
fault in earth
L3: indicates the
fault in L3 phase
L1: indicates the
fault in L1 phase
L2: indicates the
fault in L2 phase
TRIP: trip on fault
LED
AR: indicates the
Auto Recloser status
PICKUP: pickup
in fault
Intelligent Key for
direct access to
fault status, pickup
status, DI status &
DO status
Scroll / Edit key
Enter key
04