
Front Interface of the Relay
(For CSENEX-I 201 Model)
R
I
CSEN
EX
TRIP
PICKUP
L
1
L 2
L 3
BLOCK
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
Key operation
indication LEDs
Scroll / Edit 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
Intelligent Key for
direct access to
fault status, pickup
status, DI status &
DO status
Scroll / Edit key
Enter key
BLOCK: indicates
protection blocking
based on DI
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
PICKUP: pickup
in fault
LED
USB for Front
Communication
with Laptop/PC
Fault Reset key
(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
R
U R R E N T
C
R O T E C T I O N
P
E L A Y
R
I
F1
CLOSE
OPEN
TRIP
PICKUP
L
1
L 2
L 3
BLOCK
E
C
O
N
T
R
O
L
BF/TCS
CSEN
EX-
I
Dimension Details
Side View
Front View
158.5
112.0
Panel cutout
Dimensions
145.0
125.0
154.0
CSENEX-I relay is available in a plastic case for panel or flush mounting
Weight : Approx. 1.0 Kg (without cables) (All the dim. are in mm)
Connection Diagram
of 201 model
A1
:
Auxiliary Supply Earth
A2-A3
:
Auxiliary Supply - (A3) , + (A2)
A4-A5
:
RS-485 Modbus N1(A4), P1(A5)
A9-A10
:
Potential free Digital Output 4
A11-A12
:
Potential free Digital Output 3
A13-A14-A15
:
Potential free Digital Output 2
A16 -A17- A18
:
Potential free Digital Output 1
D2-D3
:
Potential Digital Input 1
D5-D6
:
Potential Digital Input 2
D7-D8
:
Potential Digital Input 3
D9-D10
:
Potential Digital Input 4
E1-E6
:
CT Terminal for Phase current input
L1(E1-E2), L2(E3-E4),L3(E5-E6)
E7-E8
:
CT Terminal for Earth current input
Terminal Name
Terminal Description
L1
L2
L3
Power Supply
A3
A2
-
+
A1
Earth
RS-485
A4
A5
N1
P1
DI 2
D0 1
D0 4
DI 1
D
IG
IT
A
L
I
N
P
U
T
D
IG
IT
A
L
O
U
T
P
U
T
D2
D3
D6
D5
DI 3
D8
D7
DI 4
D10
D9
P2
S1
S2
IL1
E1
E2
P1
P2
S1
S2
IL3
IE
P1
P2
S1
IL2
E3
E4
E5
E7
E8
E6
A10
A9
D0 2
A14
A15
A13
A17
A18
A16
D0 3
A12
A11
NO
C
NC
NO
C
NO
NC
C
NO
C
S2
Connection Diagram
of 202 model
P1
Introduction
CSENEX Series offers a compact Multi-functional Over-current protection solution for
Feeder, Generator, Motor & Transformer segment.
CSENEX-I Family of protective relays are numeric relays that provides multi protection
and monitoring with reliable and fast protection solution in a single unit.
In this family of CSENEX series, the CSENEX-I is an advanced feeder protection
solution which has fast, sensitive and secure protection for feeder internal & external
faults. CSENEX-I offers different model based features to cover the wide range of user.
L1
L2
L3
D
IG
IT
A
L
I
N
P
U
T
DI 4
DI 3
D6
D5
DI 1
DI 2
DI 5
D8
D7
DI 6
D10
D9
(D2 IS COMMON
FOR DI1, DI2 & DI3)
D3
D4
D1
D2
A17
A18
A16
D0 1
D0 4
D
IG
IT
A
L
O
U
T
P
U
T
A10
A9
D0 2
A14
A15
A13
D0 3
A12
A11
NO
C
NC
NO
C
NO
NC
C
NO
C
P1
P2
S1
S2
IL1
E1
E2
P1
P2
S1
S2
IL3
IE
P1
P2
S1
S2
IL2
E3
E4
E5
E7
E8
E6
RS-485
A4
A5
N1
P1
l
1A & 5A rated CT input (programmable)
l
Draw out with self CT shorting
l
Programmable auto-reclosing by selecting number of cycles for a particular fault *
l
Event record / Fault record
l
DI/DO programmable matrix *
l
Communication (Local & Remote)
Features
Protections
l
Three phase time over current protection (51)
l
Three phase instantaneous protection (50)
l
Earth time over-current (51N)
l
Earth instantaneous over-current (50N)
l
Current unbalance (46)
l
Broken conductor (46BC) *
l
Residual over-voltage (Neutral displacement) *
l
Circuit breaker failure protection (50BF)
l
Trip Circuit supervision (74TC) *
l
Negative Phase Sequence *
l
Digital Signal Processor based numeric design
l
Measures true RMS with DFT filter
l
4 Current analog inputs for phase & earth fault current
l
Max. 6 Digital Inputs / 4 Digital Outputs
l
16 x 4 Alpha-numeric LCD
l
8 LEDs at pickup and trip on fault + 3 LEDs with special function of 3 control keys
l
RS-485 & USB communication
Hardware
* Model dependent
05
06
07
08
01
02
03
04
Power Supply
A3
A2
-
+
A1
Earth
The disposal of our products and possible recycling of their components after
decommissiong has to be carried out by an accredited recycling company or
the products/components must be taken to applicable collection points. Such
disposal activities must comply with all local laws, guidelines and
environmental specifications of the country in which the disposal is done.
Our products and batteries must not be disposed of as household waste. For disposing
batteries it is necessary to observe the local national/international directives.
According to national legislation, penalties may be charged for incorrect disposal
of such waste.
By disposing of these products correctly you will help to save valuable resources and
prevent any potential negative effects on human health and the environment.
Disposal
Introduction
CSENEX Series offers a compact Multi-functional Over-current protection solution for
Feeder, Generator, Motor & Transformer segment.
CSENEX-I Family of protective relays are numeric relays that provides multi protection
and monitoring with reliable and fast protection solution in a single unit.
In this family of CSENEX series, the CSENEX-I is an advanced feeder protection
solution which has fast, sensitive and secure protection for feeder internal & external
faults. CSENEX-I offers different model based features to cover the wide range of user.
l
1A & 5A rated CT input (programmable)
l
Draw out with self CT shorting
l
Programmable auto-reclosing by selecting number of cycles for a particular fault *
l
Event record / Fault record
l
DI/DO programmable matrix *
l
Communication (Local & Remote)
Features
Protections
l
Three phase time over current protection (51)
l
Three phase instantaneous protection (50)
l
Earth time over-current (51N)
l
Earth instantaneous over-current (50N)
l
Current unbalance (46)
l
Broken conductor (46BC) *
l
Residual over-voltage (Neutral displacement) *
l
Circuit breaker failure protection (50BF)
l
Trip Circuit supervision (74TC) *
l
Negative Phase Sequence *
* Model dependent
The disposal of our products and possible recycling of their components after
decommissioning has to be carried out by an accredited recycling company
or the products/components must be taken to applicable collection points.
Such disposal activities must comply with all local laws, guidelines and
environmental specifications of the country in which the disposal is done.
Our products and batteries must not be disposed of as household waste. For disposing
batteries it is necessary to observe the local national/international directives.
According to national legislation, penalties may be charged for incorrect disposal
of such waste.
By disposing of these products correctly you will help to save valuable resources and
prevent any potential negative effects on human health and the environment.
Disposal
02