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1 converter, Converter – In-Situ RDO PRO Process Optical Dissolved Oxygen Sensor Manual User Manual

Page 15

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5.5

Modbus Master with Built-in RS232 (Converter Required)

Signal

Color

Ground/Return

Black

External Power
(12 VDC, voltage limited by converter)

Red

RS485 (-)

Green

RS485 (+)

Blue

 Cable between converter and master must not exceed 60.96 m (20 ft.)

 Cable between master and slave must not exceed 1219 m (4000 ft.)

5.5.1

Converter

Page 15

Controller Requirements and Connections

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