ABB ETL600 - Page 45

ETL600 1KHW001489-EN ABB Switzerland Ltd
Teleprotection
11
P3LE
RF
Supply
TDM bus
2
G4AI
6
B4LE
13
B5LA
B5LC
8
P1LA
9
E5TX
12
P4RX
Coax
cable
7
P7LC
14
P7LA
1
Telephony
Teleoperation
Ext. teleprotection
1
O4LE
(e.g. NSD570)
(optional)
(optional)
P4LU
Data V.11, V.24
Alarm contacts
HMI
5
R1BC
(optional)
Alarm contacts
4
P1LX
Data V.11, V.24
(optional)
IRIG-B
3
P4LT
Fig. 3-10 Functional block diagram ETL640 with Rx filter
Structure and Function November 2005 3-13