Xylem CL500 ONLINE CHLORINE ANALYZERS - Manual (Page 20)

The next prompt will be the chlorine level assigned to the 20MA. Select the chlorine level
using the S and T buttons. Once the desired level has been set, press the button to
accept it.
7.2 Configuring the Error Level
In case of an error in the CL500, the 4-20 mA reading can be used to indicate a problem
by sending the current to either 4.00 mA, 2.00 mA or 0 mA. The factory default setting is
OFF. Select the desired ERLV by using the S and T buttons then press the button to
accept the desired error response.
7.3 Configuring the RS–485 Port
The instrument is equipped with an RS 485 port which operates in Simple bus, a
proprietary communication) or Modbus. Prompts will appear for setting the baud rate, the
address and the Modbus transmission mode (RTU or ASCII).
Select the correct baud rate (1200, 2400, 4800, 9600, or 19200) for operation of the I/O
port by pressing the S or T buttons to change the displayed baud rate.
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