12
HART add-on module
8. Universal Commands
8.
Universal
Commands
Command Number
Data in Command
Data in Response
and Funktion
0
Read unique identifier
None
Byte 0
"254" (expansion)
Byte 1
Manufacturer ID
Byte 2
Mfr. device. Type
Byte 3
Number of preamble
Byte 4
Universal Command
revision
Byte 5
transmitter specific
command revision
Byte 6
software revision
Byte 7
hardware revision
Byte 8
device function flag
Byte -11
Device ID number
1
Read primary variable
None
Byte 0
PV unit code
Byte 1-4
Primary variable
2
Read Current &
None
Byte 0-3
current (mA)
% of range
Byte 4-7
% of range
3
Read Current &
None
Byte 0-3
Current
four variables
Byte 4
PV unit code
Byte 5-7
PV
Byte 9
SV unit code
Byte 10-13 SV
Byte 14
TV unit code etc.
Byte 15-18 TV
Byte 19
QV unit code etc.
Byte 20-23 QV
6
Write polling address
Byte 0 =Short address
As in command
11
Read unique id
Byte 0-5
As Command 0
associated with tag
TAG (8 characters)
12
Read message
None
Byte 0-23 Message
13
Read Tag, Descriptor &
None
Byte 0-5
Tag
Date
Byte 6-17 descriptor
Byte 18-20 date
14
Read PV sensor number
None
Byte 0-2
sensor serial number
Byte 3
unit code for sensor limits
and min. span
Byte 4-7
upper sensor limit
Byte 8-11 lower sensor limit
Byte 12-15 minimum span
15
Read PV output
None
Byte 0
alarm select code
information
Byte 1
transfer code
Byte 2
Upper and lower range
values unit code
Byte 3-6
Upper range value
Byte 7-10 Lower range value
Byte 11-14 Damping value (sec)
Byte 15
Write protect code = 1
Byte 16
Private-label distributor
code
16
Read final assembly
None
Byte 0-2
Final assembly number
number
17
Write Message
Byte 0-23
As in command
Message
18
Write tag, descriptor
Byte 0-5
As in command
and date
TAG
Byte 6-17
Descriptor
Byte 18-20
Date
19
Write final assembly
Byte 0-2
As in command
number
Final assembly number
This device supports the following Universal Commands.
Содержание FDK:085U0226
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