Xylem CL500 ONLINE CHLORINE ANALYZERS MODBUS - Manual (Page 7)

3.1 Configuring the RS–485 Port (continued)
For Modbus some applications, especially involving the ASCII operation mode, it may be
necessary to set a different protocol than the default setting (8 bits, 1 stop bit, no parity).
Menus are available for this in the Extended Settings portion of the configuration
CONFIG mode.
While in the CONFIG mode, press the
↵ button, several times until the Extended Settings
is as shown below. Select On using the
t or u buttons.
Press the
↵ button a few times until the menus appear for BITS, PRTY (Parity) and
STOP (Stop Bits). Set each one to the desired setting using the
t andu buttons.
CL500 Modbus (3/09)
Rev. 1.3 5