Technical Specifications

487
Configure Burst Settings Tab
Configure
Burst Command
Use the pulldown to select a burst command to manually send:
 Cmd 1: PV: Read the primary variable value and its units code.
 Cmd 2: % range/current: Reads the loop current and its associated
percent of range. The loop current always matches the current that
can be measured by a milli-ammeter in series with the field device;
this includes the loop current under alarm conditions.
Percent of range always follows the loop current even if it is set to a
value. The upper and lower range values map the loop current value
to the percent of range. As a result the percent of range is not limited
to values between 0% and 100%, but tracks the loop current to
transducer limits when they are defined.
 Cmd 3: Dyn vars/current: Reads the loop current and up to four
predefined dynamic variables. The loop current always matches the
current measurable by a milli-ammeter in series with the field device;
this includes alarm conditions and set values. The items configured
are set in Device Variable field of the Burst Message Settings dialog (
“Configure Manual Burst” on page 489) and include:
 245 Percent Range
 245 Loop Current
 246 Primary Variable
 247 Secondary Variable
 248 Tertiary Variable
 249 Quaternary Variable
 250 Not Used
 Cmd 9: Device vars w/ Status: Requests the value and status of up to
eight device or dynamic variables.
 Cmd 33: Device variables: Requests the value of up to four device
variables. Each slot accepts any device variable supported by the
device.
 Cmd 48: Read Additional Device Status: Returns device status
information not included in the response code or device status. This
command also returns the results of Command 41, Perform Self Test.
In addition, this command contains status information regarding
analog channel 1 through analog channel 8. Bits in Analog Channel
Saturated are set when the electrical limits established by the field
device are exceeded for the corresponding Analog Channel. Bits in
Analog Channel Fixed are set when the corresponding Analog
Channel is directly (e.g, using Command 40 or 66) or indirectly (e.g.,
using Command 79) being manually controlled.
 Cmd 778: Read Battery Life: Reads the current battery status.