Connections; Wall- / Pipe-Mount Analyzer Connections - ABB 4690 User Manual

4690 Se rie s
Turbidity systems

4.3 Connections

Mounting
Wall 1
Panel 12
Cleaner
initiate pulse
Table 4.1 Analyzer Input Connections

4.3.1 Wall- / Pipe-mount Analyzer Connections

Note.

Refer to Fig. 4.1, page 12 for access to terminals.

Slacken terminal screws fully before making connections.
Turbidity Sensor
7998 Series
(see also Table 4.1)
1 – White
2 – Yellow
3 – Red
4 – Green
5 – Black
6 –
Blue
7 –
Braid
Earth (Ground)
Stud on Case
Fig. 4.4 Wall- / Pipe-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
14
2
11
+12 V +12 V
Switched emitter Cleaner / Receiver
supply supply
Serial
Serial
RS485
1 –
2 – Rx+
3 – Rx–
4 – Tx+ 2
5 – Tx– Output
6 – 0V – see Note 1.
(Optional)
Terminal Number
3 4
10 9
Signal input
Retrans. Relay 1
Relay 2
Retransmission
Output
Retrans. 1 – NC
Output 2 – C
3 – NO
nd
Retrans. 4 – NC
5 – C
6 – NO
4 Electrical Connections
5 6
8 7
Cleaner
detect signal
Power
Supply
Earth (Ground) Stud
Power Supply
Relay 1
– see Warning on page 13
Relay 2
N – Neutral
L – Line
Relay 1
– Earth
Relay 2
– see Note 2.
Earth (Ground)
Stud on Case
IM/4690–EN Rev. A
7
6
0 V
common
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