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Wiring the Downlook Ultrasonic Sensor
Section 2
6. To ensure protection against electrical shock reinstall the protective cover
over the Ultrasonic + and - terminal connections.
Figure 23 Ultrasonic Transducer Connections
Table 13 Ultrasonic Terminal Block Connections (TB5)
Pin Signal Description Wire Type Wire Color
1 Ult + (pos) Coax Inner Conductor yellow
2 Ult - (neg) Coax Outer Conductor orange
Table 14 Ultrasonic Terminal Block Connections (TB6)
Pin Signal Description Wire Color
1 RTD + (pos) red
2 RTD - (neg) black
3 shield clear
1. Protective Cover for TB5 and TB6 2. Cable to Ultrasonic Sensor
J12
J13
TB8
XMIT+
CH A+CH 4
RAIN+
1
1
1
XMIT–
RCV+
RCV–
SHEILD
AVTB11
TB10 4-20 mA
TB 9 ANALOG
TB4
RAIN
COMMON
CH A–COMMONRAIN–
+12V
SHIELDSHIELDSHIELD
DEPTH–
CH B+CH 5CH 1
DEPTH+
CH B–COMMONCOMMON
SHIELD
SHIELDSHIELDSHIELD
COMMON
STARTCH 6CH 2
DSR
PULSECOMMONCOMMON
RXD
BOTTLESHIELDSHIELD
SHIELD
SHIELD
TOTALIZER
TB7
TB6
TB2
TB5
TOTAL –
RTD –
TIP
TIP
TOTAL +
1
1
MODEM
ULTRASONIC
RTD
RING
RING
RTD
DTR
EVENTCH 7CH 3
TXD
COMMONCOMMONCOMMON
+12V
SHIELDSHIELDSHIELD
RS232C
SAMPLERANALOGANALOG
1
1
1
1
2
2
2
2
3
3
3
3
4
4
4
4
5
5
5
5
6
6
6
6
7
7
7
7
8
8
8
8
9
9
9
9
10
10
10
10
11
11
11
11
12
12
12
12
1314 15 16
SHIELD
TB3
pH
REF
pH
RTD
–5V
COMMON
+5V
485A
485B
485+NO
NO
NO
NO
485GNDCOM RELAY 1
COM RELAY 2
COM RELAY 3
COM RELAY 4
SHIELDNC
NC
NC
NC
RS485
123456789101112
F2
F1
HOT/1
NEU/2
T,1.0A 250V
ON
HOT/1
NEU/2
TB8
1
4
7
10
2
5
8
11
3
6
9
12
J13
J12
J13
TB8
XMIT+
CH A+CH 4
RAIN+
1
1
1
XMIT–
RCV+
RCV–
SHEILD
AVTB11
TB10 4-20 mA
TB 9 ANALOG
TB4
RAIN
COMMON
CH A–COMMONRAIN–
+12V
SHIELDSHIELDSHIELD
DEPTH–
CH B+CH 5CH 1
DEPTH+
CH B–COMMONCOMMON
SHIELD
SHIELDSHIELDSHIELD
COMMON
STARTCH 6CH 2
DSR
PULSECOMMONCOMMON
RXD
BOTTLESHIELDSHIELD
SHIELD
SHIELD
TOTALIZER
TB7
TB6
TB2
TB5
TOTAL –
RTD –
TIP
TIP
TOTAL +
1
1
MODEM
ULTRASONIC
RTD
RING
RING
RTD
DTR
EVENTCH 7CH 3
TXD
COMMONCOMMONCOMMON
+12V
SHIELDSHIELDSHIELD
RS232C
SAMPLERANALOGANALOG
1
1
1
1
2
2
2
2
3
3
3
3
4
4
4
4
5
5
5
5
6
6
6
6
7
7
7
7
8
8
8
8
9
9
9
9
10
10
10
10
11
11
11
11
12
12
12
12
1314 15 16
SHIELD
TB3
pH
REF
pH
RTD
–5V
COMMON
+5V
485A
485B
485+NO
NO
NO
NO
485GNDCOM RELAY 1
COM RELAY 2
COM RELAY 3
COM RELAY 4
SHIELDNC
NC
NC
NC
RS485
123456789101112
F2
F1
HOT/1
NEU/2
T,1.0A 250V
ON
HOT/1
NEU/2
TB8
1
4
7
10
2
5
8
11
3
6
9
12
J13
1
SHIELD
TB6
TB5
RTD –
TIP
1
ULTRASONIC
RTD
RING
RTD
POWER
OFF
2
1
No Connection