Hart Protocol - Bartec R3 Series Operating Instructions Manual

No and function
0 Read unique identifier
1 Read primary variable
2 Read current and percent of range
3 Read current and four (predefined)
dynamic variables
6 Write polling address
8 Read dynamic variable
configuration
11 Read unique ident. Associated with
tag
12 Read message
13 Read tag, descriptor, date
14 Read PV sensor information
15 Read output information
16 Read final assembly number
17 Write message
Only stored in RAM!
18 Write tag, descriptor, date
19 Write final assembly number
Only stored in RAM!
7 HART
The following table contains an overview of the relevant HART
®
in HART Version 7.
Data in the instruction
byte
HART-address
byte
Loop Current Mode
(not implemented)
Operating Instructions Radiation sensors R3XX
®
protocol
HART® protocol
Data in the reply
Byte
Range unit code
Float
PV
Float
Current
Float
Percent of range
Float
Current (present output current)
byte
Range unit code
float
PV (object temperature)
byte
Range unit code
float
SV (present housing temperature
UT)
byte
Range unit code
float
TV (object temperature prior to
damping)
byte
Range unit code
float
VV (object temperature prior to
min/max value)
byte
HART-address
Byte
Loop Current Mode
(not implemented)
61
®
commands