<7. HART Communication>
7-24
IM 01C25W05-01EN
4. Set send conditions.
Set the burst send conditions.
Select a value for the Burst Msg Trigger Mode
from the following table of parameters.
If Burst Msg Trigger Mode is set to Window,
Rising, or Falling, set Burst Trigger Level.
• Recalling send condition parameters and
variables
Recall
parameters
Burst Condition → Burst Message1, 2,
or 3
→ Set Burst Trigger (method)
Continuous
Burst Message is transmitted
continuously.
Window
In “Window” mode, the Trigger Value
must be a positive number and is the
symmetric window around the last
communicated value.
Rising
In “Rising” mode, the Burst Message
must be published when the source
value exceeds the threshold
established by the trigger value.
Falling
In “Falling” mode, the Burst Message
must be published when the source
value fall below the threshold
established by the trigger value.
On-change
In “On-change” mode, the Burst
Message must be published when the
source value on change established by
the trigger value.
5. Set the start of burst transmission.
Enable the burst mode setting.
When the Burst mode parameter is set to
“Wired HART Enabled”, burst transmission
starts.
• Recalling and setting the burst mode
[Root menu] → Detailed setup → Output condition →
HART output → Burst Condition → Burst Message 1, 2,
or 3 → Burst mode → Wired HART Enabled
(3) Event notification
Changes to device settings and changes to the
device status through self-diagnosis can be
detected as events, and alarm signals can be sent
continuously.
Up to four events that occur are saved as history.
To use this function, enable the burst mode setting.
(3-1) Setting event notification
• Recalling event notification settings
Step
Recall
parameters
[Root menu] → Detailed setup →
Output condition → HART output
→ Event Notification →
1 Event Mask
Set the device status to detect as
events
2 Event Condition
→ Set Event Notification Timing (method)
Event
Notification
Retry Time
Set the retry time for when events
occur.
Max Update
Time
Set the update time for when
there are no events.
Event
Debounce
Interval
Set the minimum event retention
time.
3 Event Condition
→ Event
Notification
Control
Disable event monitoring: Off
Enable event monitoring:
Enable event notification on
token-passing data link layer
1. Set the device status to detect as events.
Set the device status to detect in the Event
Mask parameter.
Device Status Mask
Ext dev status Mask
Diagnostic Status 0 Mask
Diagnostic Status 1 Mask
Status group 0 Mask to 5 Mask, 14 Mask to 23 Mask
When a device setting is changed, the
Configuration changed (0x40) flag of Device
Status (see Table 8.5) is set, and Cfg chng
count (see subsection 7.3.1.3(5)) is updated.
The detection of the Configuration changed flag
can be masked with Device Status Mask, but
Cfg chng count cannot be masked. As such,
changes to device settings are always detected
as events regardless of the device status
setting.
