ABB ETL600 - Page 46

ABB Switzerland Ltd 1KHW001489-EN ETL600
1
Telephony
Teleprotection
11
P3LE
RF
Supply
Teleoperation
Ext. teleprotection
TDM bus
1
O4LE
2
G4AI
(e.g. NSD570)
6
B4LE
13
B5LA
B5LC
8
P1LA
9
E5TX
Coax
cable
7
P7LC
14
P7LA
(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. 3-11 Functional block diagram ETL640 without Rx filter
3-14 November 2005 Structure and Function