Xylem TB500 ONLINE TURBIDITY ANALYZERS - Manual (Page 21)

TB500 (2/07)
Rev. 1.0 17
Once the desired level has been set, press the
↵ button to accept it.
The next, prompt will be the turbidity level assigned to the 20 mA output level (UPLM on
the lower row of the LCD display). Select the turbidity level to assign to the UPLM using
the
t and u buttons. Once the desired level has been set, press the ↵ button to accept it.
7.3 Configuring the RS–485 Port
If the instrument is equipped with this option, and the I/O selection is changed to 485,
prompts will appear for setting the baud rate and the address.
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 using the t or
u buttons. Once the selection is satisfactory, press the ↵ button.
To enable the Modbus mode, select ASCII or RTU. For more information refer to the
Modbus Manual.