ABB ETL600 Instruction Manual page 45

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