ABB ETL600 - Fig. 3-12 Functional Block Diagram ETL680

ETL600 1KHW001489-EN ABB Switzerland Ltd
Data V.11, V.24
Alarm contacts
Teleprotection
HMI
TDM bus
2
G4AI
5
R1BC
(optional)
Alarm contacts
6
B4LE
12
P4RX
7
P7LC
4
P1LX
Data V.11, V.24
(optional)
1
Telephony
Teleoperation
Ext. teleprotection
1
O4LE
(e.g. NSD570)
RF
11
P3LE
9
E5TX
9
E5TX
8
P1LA
8
P1LA
10
P3LG
13
B5LA
B5LC
13
Coax
cable
Upper
rack
Lower
rack
14
P7LA
14
P7LA
Supply
Supply
(optional)
(optional)
P4LU
IRIG-B
3
P4LT
B5LA
B5LC
Fig. 3-12 Functional block diagram ETL680
Structure and Function November 2005 3-15