Honeywell XNX, Техническое руководство

Страница: 79 / 200

XNX Universal Transmitter
Section 2 - Installation and Operation 77
Fieldbus Options
The Fieldbus Options menu allows configuration of the HART
address or the optional Modbus fieldbus 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 configured or
changed� If the XNX is configured 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�