ETL600 1KHW001489-EN ABB Switzerland Ltd
6.6.3.2. Teleprotection Interface G4AI
The teleprotection interface includes:
• Four input circuits equipped with optocouplers
• Four output circuits equipped with MOS – FET semiconductor
• Two output relays
These circuits are available for customer connections by means of
cable V9OF, shown in Fig. 6-14.
Caution
The polarity should be observed while doing the
connections.
Input 1
Terminal 1 (negative potential)
Terminal 2 (positive potential)
Input 2
Terminal 3 (negative potential)
Terminal 4 (positive potential)
Input 3
Terminal 5 (negative potential)
Terminal 6 (positive potential)
Input 4
Terminal 7 (negative potential)
Terminal 8 (positive potential)
Output 1
Terminal 9 (negative potential)
Terminal 10 (positive potential)
Output 2
Terminal 11 (negative potential)
Terminal 12 (positive potential)
Output 3
Terminal 13 (negative potential)
Terminal 14 (positive potential)
Output 4
Terminal 15 (negative potential)
Terminal 16 (positive potential)
Relay 1
Terminal 17 (negative potential)
Terminal 18 (positive potential)
Relay 2
Terminal 19 (negative potential)
Terminal 20 (positive potential)
The V9OF cable is made of following elements:
• 20 terminal-block
• F-connecting plug
• 25 core shielded cable (each core 0.25 mm
2
)
The isolating terminals allow the testing of G4AI or the protection
relays with the cable installed. The output relay contacts are
connected to the terminals by two cores which can take a continuous
current of 5 A at 45°C.
Assembly and Installation November 2005 6-19
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