ABB ETL600 Instruction Manual page 46

ABB Switzerland Ltd
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. 3-11
3-14
1KHW001489-EN
TDM bus
1
1
O4LE
2
G4AI
P1LX
5
R1BC
Functional block diagram ETL640 without Rx filter
November 2005
Supply
7
P7LC
13
6
B5LA
B4LE
B5LC
P4LU
8
P1LA
3
P4LT
11
4
P3LE
Structure and Function
ETL600
14
P7LA
RF
9
E5TX
Coax
cable