Endura AZ series integral and remote transmitter
Combustion oxygen monitor
7 HART®-Protocol
70
IM/AZ20E–EN Rev. F
7.3 HART Universal Commands Set
Command
No.
Description
Details
0
Read Transmitter
Unique Identifier
Expanded device type code.
Manufacturer identification code.
Manufacturer device type code.
Number of preambles.
Revision level of HART Universal Command set implemented.
Revision level of device specific command set implemented.
Transmitter software revision level.
Transmitter hardware revision level.
Device identification number.
1
Read Primary Variable
% Oxygen value.
2
Read Current and
Percent of Range
PV (% Oxygen) as current output (mA).
PV (% Oxygen) as percentage of range.
3
Read Dynamic Variables
and Current
Current output value (mA).
% Oxygen value.
Cell Temperature (
o
C or
o
F).
Cell Millivolts.
6
Write Polling Address
When set to 0
Current Output 1
is active and provides an
analog output proportional to its source. HART operates in
point-to-point mode.
When set between 1 to 15,
Current Output 1
is fixed at 4 mA
and HART operates in multi-drop mode.
11
Read Unique Identifier
Associated With Tag
Returns the expanded device type code, revision levels and
device identification number of the transmitter that contains
the HART identification tag sent with this command.
Table 7.2 HART Universal Commands Set