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GRZ100
29
(-)
BUS
TB1 -1
4
3
2
7
6
5
9
8
10
12
11
13
15
14
16
BUS VT
CT
CB
VT
BUS VT
Io from
adjacent Line CT
A2
B2
A3
A4
B3
B4
A5
A6
B5
B6
TB2-A1
B1
B O 1
B O 2
B O 3
B O 4
B O 5
B O 6
IO#3
(-)
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
A12
B12
COM-B
COM-A
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
TRIP-B
TRIP-A
TRIP-C
TP -A 1
TP -B 1
TP -C 1
(+)
TB4- A3
A1
B3
A2
B2
IRIG-B
20
CN1
COM-0V
A5
B5
BI2
BI1
TB4 -B4
A4
(HIGH SPEED RELAY)
B6
BI3
B7
BI4
A6
A7
B8
BI5
B9
BI6
A8
A9
B10
BI7
B11
BI8
A10
A11
B12
BI9
B13
BI10
A12
A13
B14
BI11
B15
BI12
A14
A15
A8
BI21
B8
BI22
B7
BI20
BI19
TB2
–
A7
A9
BI23
B9
BI24
A10
BI25
B10
IO#3
IO#1
B14
BI17
BI16
TB3
–
A14
A15
BI18
B15
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
19
20
TB3
TB4
TB1
TB2
IO#3
IO#1
Terminal Block Arrangement (Rear view)
VCT
IO#2
B10
A18
A1
B18
B1
1
2
CN1
(IRIG-B)
E
Signal receive (CH1)
DEF block
(+)
CB1 contacts
(Closed when CB main
contact closed.)
CB1-B
EXT trip-A
EXT trip-B
EXT trip-C
[Default setting]
CB1-A
CB1-C
Carrier block
Disconnector N/C contact
Protection block
External VT failure (EXT VTF)
Z1X initiation
OC block
Indication reset
EFI block
Signal receive (CH2)
or Z1-EXT initiation
External trip signals
(CBF Initiation)
Disconnector N/O contact
OCI block
EXTTP block
SOTF block
STUB block
Figure 24 Typical external connection of Model 204