Technical Manual

XNX Universal Transmitter
Section 2 - Installation and Operation
77
Fieldbus Options
TheFieldbusOptionsmenuallowscongurationoftheHART
addressortheoptionalModbuseldbusaddressandbaudrate.
Figure 134. Fieldbus Options Screen
SelecttheFieldbusOptionsicontoactivatetheHART/Modbus
screenstoallowselectionoftheprotocolstobeconguredor
changed.IftheXNXisconguredwithoutHARTorModbus,only
the installed options will be visible.
Figure 135. HART Options Screen
The HART menu provides the ability to select the HART mode.
From the HART screen, use the
switches to highlight the
HART option, then select
✓
. This displays the HART address
screen where the device address and whether the HART protocol
is active in the unit can be set. To set the address, use the
switches to highlight the number in the top line (between 0 and
63) and use
✓
to select it. Use the switches to decrement
or increment the value until the desired value appears. Use
✓
to
select the value and move to the next setting.
Figure 136. HART Address and Address Value Screens
Use the switches to move to the HART option and use
✓
to select it. Use the
switches to scroll through the options
until the desired option is highlighted. Use
✓
to accept the new
state. See Section 2.3.1 and Appendix A for more information
on available HART modes.
Figure 137. HART Mode Screens
Once the values for the HART address and Mode have been
set, use the
switches to navigate to the ‘ü’ then select it to
save the changes to the XNX.
Figure 138. HART Settings Accepted
When the Modbus option is available, use the switches to
move to the Modbus icon and use
✓
to select it. The Modbus
option allows the address and communication baud rate to be
set.