Xylem CL500 ONLINE CHLORINE ANALYZERS MODBUS User Manual

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3.0 Operation

3.1 Configuring the RS–485 Port
The CL500 is equipped with an RS-485 port which operates in one of three ways (see the
operator’s manual for more information).

Select the correct baud rate (1200, 2400, 4800, 9600, or 19200) for operation of the I/O
port by pressing the

t or u buttons to change the displayed baud rate.

Press the

↵ button to continue on and select the desired instrument address (1-255) using

the

t or u buttons. Once the selection is satisfactory, press the ↵ button.

Select the operating mode either ASCII or RTU using the

t or u buttons. Press the

MODE key to complete the Modbus setup.

CL500 Modbus (3/09)
Rev. 1.3