Ams trex™ Device Communicator

Change the block mode for a FOUNDATION fieldbus device
Whenever you need to change the parameters or properties of a block, change the mode.
You can change the mode for a block from the Block List, or you can open a specific block
and change the mode.
Procedure
1. Connect to a FOUNDATION fieldbus device.
2. To change the modes for one or more blocks on the Block List:
a) Tap the mode button on the Block List.
A list of all blocks and the selected modes is displayed.
b) For each block in the list you want to modify, select the block and select the
desired mode.
c) Tap 
OK
.
d) Tap 
Send
.
e) Review the changes.
f) Tap 
Send
.
3. To change the mode from within a block:
User Guide 
Field Communicator application
September 2021
User Guide 
109

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a) Go to a block menu in the device.
Figure 3-44: Example Mode button in a block
b) Tap the mode button at the top of the screen.
c) Select the desired mode for the block.
d) Tap 
OK
. The change is highlighted yellow.
e) Tap 
Send
.
f) Review the change.
g) Tap 
Send
.
Change the IO block schedule for FOUNDATION fieldbus
devices
Change the IO block schedule on the bench (not connected to a control system) to
execute an IO block to verify that the outputs of the block are computed correctly.
Note
You cannot schedule IO blocks when the device is commissioned or a host/linking device is
detected on the fieldbus segment. To schedule IO blocks, use the host system or remove
the device from the fieldbus segment and connect it directly to the Trex unit.
Procedure
1. Connect to the FOUNDATION fieldbus device.
2. Tap the 
Service Tools
tab.
3. Tap 
Write IO Block Schedule
.
4. Tap 
OK
.
5. Tap 
Yes
or 
No
when asked if the device is commissioned.
You cannot schedule blocks if the device is commissioned.
6. Select the appropriate macrocycle duration.
7. Select the appropriate IO blocks.
8. Tap 
OK
.
This schedules the blocks and sets the block mode to Auto.