Endress+Hauser Proline Prowirl 72, Руководство по эксплуатации

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5 Operation Proline Prowirl 72
36 E Hauser
48 Read extended device status
Access = Read
None The current device status is displayed in extended form as the
response:
Encoding: see table on Page 37
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 flow
• Secondary process variable: ID 250 for totalizer
• Third process variable: ID 0 for OFF (not assigned)
• Fourth process variable: ID 0 for OFF (not assigned)
53 Write device variable unit
Access = Write
This command sets the unit of the given device
variables. Only those units which suit the
device variable are transferred:
– Byte 0: device variable ID
– Byte 1: HART unit ID
ID of the supported device variables:
See data on Page 32
!
Note!
If the written unit does not suit the device
variable, the device will continue with the last
valid unit.
The current unit of the device variables is displayed in the device as
a response:
– Byte 0: device variable ID
– Byte 1: HART unit ID
!
Note!
Manufacturer-specific units are represented using the HART unit
ID “240”.
59 Specify number of preambles
in message responses
Access = Write
This parameter specifies the number of
preambles which are inserted in the message
responses:
Byte 0:
Number of preambles (2...20)
As a response, the current number of the preambles is displayed in
the response message:
Byte 0:
Number of preambles
109 Burst mode control
Access = Write
This parameter switches the burst mode on and
off.
Byte 0:
0 = burst mode off
1 = burst mode on
The value set in byte 0 is shown as the response.
Command no.
HART command / access type Command data
(numeric data in decimal form)
Response data
(numeric data in decimal form)