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Section 2
Page 45
Wiring the RS232
2. Disconnect the RS232 permanent conduit connection.
3. Connect RS232 side connector Quick-connect to the hub on the side
panel of the instrument.
4. Wire the RS232 side-connector. Refer to Tabl e 1 0 and Figure 19.
This serial interface can be used for the SCADA-Modbus interface.
See Appendix E on page 133.
This port may be configured to communicate at 1200, 2400, 4800, 9600, or
19,200 baud.
Cable Required
RS232 Flow Meter to PC Cable Assembly, 10 ft (3.0 m) long, 6-pin connector
on one end, 9-pin connector on the other end (Cat. No. 1727).
Figure 19 RS232 Wiring Connections
Table 10 Side Connector RS232 Terminal Block Connections (TB11)
Pin Signal Description Wire Color
1 +12 V orange
2TXD green
3DTR red
4RXD black
5 DSR yellow
6 Common brown
1. Disconnect wires and secure appropriately. 3. Conduit Hub
2. RS-232 Quick Disconnect (shown disconnected) 4. RS-232 Input/Output
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
XMIT+
XMIT–
RCV+
RCV–
SHEILD
AV
TB11
COMMON
+12V
DEPTH–
DEPTH+
SHIELD
COMMON
DSR
RXD
DTR
TXD
+12V
RS232C
1 2 3 4 5 6 7 8 9 10 1112 13 1415 16
No Connection
1
2
3
4
POWER
OFF