Operation Proline Prowirl 73
44 Endress+Hauser
Command No.
HART command / access type
Command data
(numeric data in decimal form)
Response data
(numeric data in decimal form)
Common practice commands
34 Write attenuation constant for
primary process variable
Access = Write
Byte 0-3: attenuation constant of the primary process
variable in seconds
Factory setting:
Primary process variable (vol. flow)
Displays the current attenuation constant in the device:
Byte 0-3: attenuation constant in seconds
35 Write measuring range of the
primary process variable
Access = Write
Write the desired measuring range:
– Byte 0: HART unit ID for the primary process variable
– Byte 1-4: end of measuring range, value for 20 mA
– Byte 5-8: start of measuring range, value for
4 mA
Factory setting:
Primary process variable (vol. flow)
!
Note!
If the HART unit ID does not suit the process variable,
the device will continue with the last valid unit.
The measuring range currently set is shown as the
response:
– Byte 0: HART unit ID for the set measuring range of
the primary process variable
– Byte 1-4: end of measuring range, value for 20 mA
– Byte 5-8: start of measuring range, value for 4 mA
(is always at "0")
!
Note!
Manufacturer-specific units are represented using the
HART unit ID "240".
38 Device status reset "configuration
changed"
Access = Write
None None
40 Simulate output current of the
primary process variable
Access = Write
Simulation of the desired output current of the primary
process variable.
An entry value of 0 exits the simulation mode:
Byte 0-3: output current in mA
Factory setting:
Primary process variable (vol. flow)
The current output current of the primary process
variable is displayed as a response:
Byte 0-3: output current in mA
42 Perform device setting
Access = Write
None None
44 Write unit of the primary process
variable
Access = Write
Specify the unit of the primary process variable.
Only units which are suitable for the process variable are
accepted by the device:
Byte 0: HART unit ID
Factory setting:
Primary process variable (vol. flow)
!
Note!
• If the HART unit ID written does not suit the process
variable, the device will continue with the last valid
unit.
• If you change the unit of the primary process variable,
this has an impact on the 4 to 20 mA output.
The current unit code of the primary process variable is
displayed as a response:
Byte 0: HART unit ID
!
Note!
Manufacturer-specific units are represented using the
HART unit ID "240".
48 Read extended device status
Access = Read
None The current device status is displayed in extended form
as the response:
Coding: table ä 46
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 ID to the primary process
variable
– Byte 1: device variable ID to the secondary process
variable
– Byte 2: device variable ID to the third process variable
– Byte 3: device variable ID to the fourth process
variable
Factory setting:
• Primary process variable: ID 1 for volume flow
• Secondary process variable: ID 2 for temperature
• Third process variable: ID 3 for mass flow
• Fourth process variable: ID 250 for totalizer 1
To Next Page
Loading...
