Typical External Connection Of Gre110 – 420A 2Ct Application - Toshiba GRE110 Instruction Manual

Core
balance
CT
P
N
Typical External Connection of GRE110 – 420A 2CT application
A
B
C
GRE110-420A
TB1
1
Ia
**
2
3
Ib
**
4
5
Ic
**
6
7
Ise
**
8
9
10
N.C.
11
12
GND
POWER
13
+
SUPPLY
14
-
FG
FRONT PANEL
USB Type B
Rear PANEL
N.C.
RJ45
**Analogue current input ports are shorted when the terminal block is removed.
*** Available at one of the communication function is selected.
 223 
OUTPUT CONACTS
SIGNAL LIST (DEFAULT)
BO1 OFF(CB CLOSE)
BO2 GENERAL TRIP
BO3 GENERAL ALARM
BO4 OFF
TB2
BO1
CB CLOSE
CB CLOSE
1
SW
2
BO2
CB OPEN CB OPEN/TRIP
SW
3
4
BO3
AUXILIARY
5
*
6
BO4
AUXILIARY
7
*
8
R.F.
Relay fail
9
10
11
N.C.
12
DEFAULT BI1-2; Off
Available for Threshold
BI1
33.6/77/154V
TCS
13
14
(CB CLOSED)
Available for BI2
Threshold
33.6/77/154V
TCS
15
16
(CB OPEN)
17
18
N.C.
19
20
22
RS485
21
COM
23
A+
24
B-
*BO3-4 are NOT applicable for direct CB coil connection.
6 F 2 T 0 1 7 2
Control
Power
P
TRIP CLOSE
COIL
COIL
N
Relay fail
indicator
N
N
A+
B-
COM
COM
A+
B-
(1-2, 3-4, 5-6, 7-8)