Operation
Proline Promass 80
40
Hauser
44
Write unit of primary process
variable
Access = write
Set unit of primary process variable.
Only unit which are suitable for the process variable are
transferred to the device:
Byte 0: HART unit code
Factory setting:
Primary process variable = Mass flow
!
Note!
• If the written HART unit code is not the correct one
for the process variable, the device will continue with
the last valid unit.
• If you change the unit of the primary process variable,
this has no impact on the system units.
The current unit code of the primary process variable is
displayed as a response:
Byte 0: HART unit code
!
Note!
Manufacturer-specific units are represented using the
HART unit code "240".
48
Read additional device status
Access = read
none
The device status is displayed in extended form as the
response:
Coding: see table
50
Read assignment of the device
variables to the four process
variables
Access = read
none
Display of the current variable assignment of the process
variables:
– Byte 0: Device variable code to the primary process
variable
– Byte 1: Device variable code to the secondary process
variable
– Byte 2: Device variable code to the third process
variable
– Byte 3: Device variable code to the fourth process
variable
Factory setting:
• Primary process variable: Code 1 for mass flow
• Secondary process variable: Code 250 for totalizer 1
• Third process variable: Code 7 for density
• Fourth process variable: Code 9 for temperature
!
Note!
You can set the assignment of device variables to process
variables with Command 51.
51
Write assignments of the device
variables to the four process
variables
Access = write
Setting of the device variables to the four process
variables:
– Byte 0: Device variable code to the primary process
variable
– Byte 1: Device variable code to the secondary process
variable
– Byte 2: Device variable code to the third process
variable
– Byte 3: Device variable code to the fourth process
variable
Code of the supported device variables:
Factory setting:
• Primary process variable = Mass flow
• Secondary process variable = Totalizer 1
• Third process variable = Density
• Fourth process variable = Temperature
The variable assignment of the process variables is
displayed as a response:
– Byte 0: Device variable code to the primary process
variable
– Byte 1: Device variable code to the secondary process
variable
– Byte 2: Device variable code to the third process
variable
– Byte 3: Device variable code to the fourth process
variable
Command No.
HART command / Access type
Command data
(numeric data in decimal form)
Response data
(numeric data in decimal form)
