Endress+Hauser HART Proline Promass 80, Руководство по эксплуатации

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Proline Promass 80 Operation
Hauser 41
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 code
– Byte 1: HART unit code
Code of the supported device variables:
See data
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36
!
Note!
• If the written unit is not the correct one for the device
variable, the device will continue with the last valid
unit.
• If you change the unit of the device variable, this has
no impact on the system units.
The current unit of the device variables is displayed in
the device as a response:
– Byte 0: Device variable code
– Byte 1: HART unit code
!
Note!
Manufacturer-specific units are represented using the
HART unit code "240".
59 Write number of preambles in
response message
Access = write This parameter sets the number of preambles which are
inserted in the response messages:
Byte 0: Number of preambles (2 to 20) As a response, the current number of the preambles is
displayed in the response message:
Byte 0: Number of preambles
Command No.
HART command / Access type Command data
(numeric data in decimal form) Response data
(numeric data in decimal form)