Rockwell Automation 1797-OE8H FLEX Ex HART Analog Modules User Manual User Manual
Page 159
Publication 1797-6.5.3 - March 2006
Additional HART Protocol Information C-11
54
Read transmitter
variable information
—
Transmitter variable
code
—
0
Transmitter variable
code
—
1…3
Transmitter variable
sensor serial number
4
Transmitter variable
limit units code
5…8
Transmitter variable
upper limit
(F)
9…12
Transmitter variable
lower limit
13…16 Transmitter variable
damping value
(seconds)
17…20 Transmitter variable
minimum span
55
Write transmitter
variable damping
value
0
Transmitter variable
code
—
—
As in command
—
1…4
Transmitter variable
damping value
(seconds)
56
Write transmitter
variable sensor
serial number
0
Transmitter variable
code
—
—
As in command
—
1…3
Transmitter variable
sensor
57
Read unit tag,
descriptor, date
—
None
—
0…5
As in command
(A)
6…17
18…20
(D)
58
Write unit tag,
descriptor, date
0…5
Unit tag (8 characters)
(A)
—
As in command
—
6…17
Unit descriptor (16
characters)
18…20 Unit date
(D)
59
Write number of
response preambles
0
Number of response
preambles
—
—
As in command
—
60
Read analog output
and percent of range
0
Analog output number
code
—
0
Analog output number
code
—
1
Analog output units
code
2…5
Analog output level
6…9
Analog output percent
of range
Table C.6 Common Practice Commands
Command
Data in Command
Data in Reply
#
Function
Byte
Data
Type
(5)
Byte
Data
Type
(5)