Panel-Mount Analyzer Connections - ABB 4690 User Manual

4690 Series
Turbidity systems

4.3.2 Panel-mount Analyzer Connections

Note.

Refer to Fig. 4.2, page 12 for access to terminals.

Slacken terminal screws fully before making connections.
+
Retransmission
–
Output
NC
Relay 1
C
NO
NC
Relay 2
C
– see Note 2
NO
Earth
Power Supply
Neutral
– see Warning
Line
on page 13
Link to Earth (Ground) Stud on Case
Fig. 4.5 Panel-mount Analyzer Connections
Note.
1. A second retransmission output is available if the RS485 serial communications facility is not used.
is set to YES (see page 28), Relay 2 becomes 'Failed Wiper Alarm' relay.
2. If
Test Cleaner
IM/4690–EN Rev. A
Earth (Ground) Stud
1
1
2
2
3
3
4
4
5
5
6
6
TBA
7
7
8
8
9
9
E
E
N
N L
L
1
1
2
2
3
3
4
4
5
5
6
6
TBB
7
7
8
8
9
9
10
10
11
12 11
12
4 Electrical Connections
0V
RS485 Serial Interface (If
Rx–
fitted)
Rx+
+
Tx–
2nd Retrans.
–
TX+
Output
Blue
– see Note 1.
Black
Green
Red
Turbidity Sensor
Yellow
(see also Table 4.1,
White
page 14)
Braid
Earth (Ground) Stud on Case
15