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IM 01E20C01-01E
8-17
8. OPERATION VIA HART COMMUNICATOR
Example: Communication when set in the multidrop mode.
F0820-1.EPS
HART Communicator
Online
1 1: FIC-1A
2 2: FIC-2A
3 3: PIC-1A
DEL DEL ESC
ENTER
1
AXFA11 : FI-1201
Online
1 Device Setup
2 PV
3 PV AO
4 PV Span
HELP SAVE HOME ENTER
2
The HART Communicator searches for field devices that are set in the multidrop
mode when the HART Communicator is turned on.
When the HART Communicator is connected to one of these field devices, tag
will be displayed.
Select the desired field device. After that, normal communication with the
selected field device is possible. The communication speed, however, is slow in
this case.
To communicate with another field device, open display , and select
“Online”.
Display will appear. Repeat the above operation.
HART Communicator
1 Offline
2 Online
3 Frequency Device
4 Utility
HELP SAVE HOME ENTER
3
3
1
F0820-2.EPS
Exiting Multidrop Mode
First, open the “Poll addr” display, and assign the address to 0.
Then, open the “Polling” display, and select “Never Poll”.
NOTE
If the above exiting method is carried out in the reverse order, the “Online” menu
cannot be called up.
8.3.4.9 Example 6 of Other Settings: Write Protection
The “Write Protection” function is used to inhibit parameter changes to the AXFA11. For
a more detailed description, refer to Chapter 6. Parameter Description, and Chapter 9.Main-
tenance.
NOTE
When the write protection function is activated, data setting changes in all param-
eters of the AXFA11 are inhibited and cannot be changed using either the HART
Communicator or the AXFA11 front panel key switches.