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Chapter 2: Installing
A
LINE
B
C
1A o 5A SECONDARIO TA
1A or 5A SECONDARY CTs
PLC /
COMPUTER
RS-485
DEVICE 1
RS-485
DEVICE 2
GND
1
RS-232
PORT
2>tx
3>rx
6
5>Gnd
CURRENT PROTECTION RELAY - IPR-D
COLLEGAMENTO CON
TOROIDE DI TERRA
ZERO SEQUENCE
GROUND CONNECTION
25
26
27
25r
26r
27r
CURRENT
1
TRIP
2
3
AUX.1
4
5
AUX.2
6
7
AUX.3
(SERVICE)
8
13
COM2
14
RS485
15
COM3
16
DI 1
DI 2
DI 3
21 22 23 24
17 18 19 20
5
INGRESSI DIGITALI (CONTATTI SECCHI)
DRY CONTACT DIGITAL INPUTS
9
Figure 2.3 – Wiring diagram
COLLEGAMENTO
RESIDUO DI TERRA
RESIDUAL
GROUND CONNECTION
29 30
25
26
27
29 30
25r
26r
27r
In
In
In-r
CURRENT
IPR-D
FILTER
BREAKER
GROUND
STATUS
SAFETY
GROUND
31 32 33 34
BARRE DI TERRA
QUADRO ELETTRICO
24 - 240 Vac/Vdc
SWITCHGEAR
GROUND BUS
ALIMENTAZIONE
SUPPLY VOLTAGE
2.3
In-r
Manual P/N: IPR-D GBM 01/09/2006
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