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Wiring table
W A R N I N G
Potential Electrocution Hazard. Always disconnect power to the instrument when
making electrical connections.
A maximum of four paddle wheel sensors or one ultrasonic sensor can be
connected to the flow module. When wiring sensors to the module, use
the information in the table and
Note: The module cannot be connected to both sensor types at the same time.
Connector
Sensor
8-pin
Paddle wheel sensor D
Paddle wheel sensor C
Paddle wheel sensor B
Paddle wheel sensor A
Sensor shield wires
1
Connect all sensor ground/shield wires to the sc200 enclosure grounding screws.
Flow module installation
on page 4.
Connector
Wire color
pin
1
Black
2
Red
3
Black
4
Red
5
Black
6
Red
7
Black
8
Red
Silver
Connector
6-pin
Sensor shield wires
User navigation
Refer to the controller documentation for keypad description and
navigation information.
Sensor recognition
The controller automatically scans for sensor modules on power up. If the
connected device is new, the controller performs an installation process.
This process makes sure that the controller recognizes the device each
time it is connected. The controller shows the main measurement screen
for the connected sensor.
1
Modbus registers
A list of Modbus registers is available for network communication. Refer
to www.hach.com or www.hach-lange.com for more information.
Sensor
Connector
pin
Ultrasonic
1
2
3
4
5
6
Wire color
Red
Green
Yellow
Blue
1
Black
English 7
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