Endress+Hauser Prosonic Flow 90, Operating Instructions Manual

Page: 54 / 114

5 Operation Proline Prosonic Flow 90
54 Hauser
14 Read sensor information on
primary process variable none – Byte 0
–
2: Sensor serial number
– Byte 3: HART unit code of the sensor limits and
measuring range of the primary process variable
– Byte 4
–
7: Upper sensor limit
– Byte 8
–
11: Lower sensor limit
– Byte 12
–
15: Minimum span
!
Note!
• The data relate to the primary process variable
(= volume flow).
• Manufacturer-specific units are represented using
the HART unit code “240”.
15 Read output information of
primary process variable
Access type = read
none – Byte 0: Alarm selection code
– Byte 1: Transfer function code
– Byte 2: HART unit code for the set measuring range
of the primary process variable
– Byte 3
–
6: End of measuring range, value for 20 mA
– Byte 7
–
10: Start of measuring range, value for 4 mA
– Byte 11
–
14: Attenuation constants in [s]
– Byte 15: Write protection code
– Byte 16: OEM dealer code, 17 = E+H
Factory setting:
Primary process variable = Volume flow
!
Note!
• You can set the assignment of device variables to
process variables using Command 51.
• Manufacturer-specific units are represented using
the HART unit ID “240”.
16 Read the device production
number
Access type = read
none Byte 0
–
2: Production number
17 Write user message
Access = write
You can save any 32-character long text in the device
under this parameter:
Byte 0
–
23: Desired user message
Displays the current user message in the device:
Byte 0
–
23: Current user message in the device
18 Write TAG, TAG descriptor and
date
Access = write
With this parameter, you can store an 8 character
TAG, a 16 character TAG description and a date:
– Byte 0
–
5: TAG name
– Byte 6
–
17: TAG description
– Byte 18
–
20: Date
Displays the current information in the device:
– Byte 0
–
5: TAG name
– Byte 6
–
17: TAG description
– Byte 18
–
20: Date
Common Practice Commands
34 Write damping value for primary
process variable
Access = write
Byte 0
–
3: Damping value of the primary process
variable in seconds
Factory setting:
Primary process variable = Volume flow
Displays the current attenuation constant in the
device:
Byte 0
–
3: Damping constants in seconds
Command No.
HART command / Access type Command data
(numeric data in decimal form)
Response data
(numeric data in decimal form)