GRZ100
27
EXTERNAL CONNECTION DIAGRAM
BUS
TB1 -1
4
3
2
7
6
5
9
8
10
12
11
13
14
BUS VT
CT
CB
VT
Io from
adjacent Line CT
A3
B3
A4
A5
B4
B5
A6
A7
B6
B7
A8
A9
B8
B9
A10
A11
B11
B10
B O 1
B O 2
B O 3
B O 4
B O 5
B O 6
B O 7
B O 8
B O 9
B O 10
B O 11
B O 12
TB3- A2
A1
B1
B2
(-)
(-)
BI1
BI10
B4
A5
B5
A6
B6
A7
B7
A8
B8
A9
TB4 -A4
BI11
BI2
BI8
B9
BI12
BI9
BI5
BI6
BI7
BI3
BI4
A10
BI13
B10
BI14
A11
BI15
TB3 -A14
B11
BI16
B14
BI17
B15
A15
BI18
A12
B12
COM-B
COM-A
COM-0V
RS485 I/F
RELAY FAILURE
B13
TB3-A13
SIGNAL SEND
(HIGH SPEED RELAY)
B O 13
FA IL
TB3-A18
B18
A17
B17
A16
B16
DD FAIL.
TB4-A16
(-)
(+)
+5Vdc
0V
B18
A18
E
B17
B16
A17
DC
SUPPLY
CASE EARTH
DC-DC
RELAY FAIL.
≧
1
B15
A15
TRIP-B
TRIP-A
TRIP-C
BUS CB
CENTER CB
(+)
TRIP-B
TRIP-A
TRIP-C
B14
A12
A13
B13
TP -A 1
TP -B 1
TP -C 1
(+)
TB4- A3
A1
B3
A2
B2
TP -A 2
TP -B 2
TP -C 2
TB4-A14
CN1
IRIG-B
20
IO #3
A2
B2
A3
A4
B3
B4
A5
A6
B5
B6
A7
A8
B7
B8
TB2-A1
B1
B O 1
B O 2
B O 3
B O 4
B O 5
B O 6
B O 7
B O 8
A9
B9
B O 9
A10
B10
B O 10
IO#1
IO#2
(
∗
1)
(
∗
1)These connections are connected
by wire link before shipment.
(Single port)
COM2-B
COM2-A
TB3-A18
A17
A16
B18
B17
B16
COM2-0V
COM1-B
COM1-A
COM1-0V
Dual RS485 I/F ports
Ethernet LAN I/F
(option)
RJ45
TB3
TB4
TB1
B18
A18
B1
A1
IO#1
Terminal Block Arrangement (Rear view)
VCT
IO#2
A18
A1
B18
1
2
19
20
CN1
(IRIG-B)
E
TB2
B10
B1
IO#3
CB1-C
Disconnector N/C contact
Carrier protection block
External VT failure (EXT VTF)
CB ready condition
Autoreclose block (REC BLOCK)
Indication reset
Main protection ON
EXT trip-A
EXT trip-B
EXT trip-C
(+)
CB1-A
CB auxiliary contacts
(Closed when bus CB main
contact closed.)
CB1-B
Signal receive (CH2)
or Z1-EXT initiation
External trip signals
(CBF Initiation)
Signal receive (CH1)
[Default setting]
Disconnector N/O contact
Main protection trip
Figure 22 Typical external connection of Model 201