Rockwell Automation 1794-OF8IH FLEX Isolated Input/Output HART Analog Modules User Manual
Page 119

Publication 1794-UM065B-EN-E - September 2010
Additional HART Protocol Information 107
11
Read unique identifier
associated with tag
0…5
Tag
(A)
0…11
As Command 0
—
12
Read message
—
None
—
0…23
Message (32 characters)
(A)
13
Read tag descriptor,
date
—
None
—
0…5
Tag (8 characters)
(A)
6…17
Descriptor (16 characters)
(A)
18…20
Date
(D)
14
Read PV sensor
information
—
None
—
0…2
Sensor serial number
—
3
Units code for sensor limits and
minimum span
4…7
Upper sensor limit
(F)
8…11
Lower sensor limit
12…15
Minimum span
15
Read output
information
—
None
—
0
Alarm select code
—
1
Transfer function code
2
PV/range limits code
3…6
Upper range value
7…10
Lower range value
11…14
Damping value (seconds)
(F)
15
Write protect code
16
Private-label distributor code
16
Read final assembly
number
—
None
—
0…2
Final assembly number
—
17
Write message
0…23
Message (32
characters)
(A)
—
As in command
—
18
Write tag descriptor,
date
0…5
Tag (8
characters)
(A)
—
As in command
—
6…17
Descriptor (16
characters)
18…20 Date
(D)
19
Write final assembly
number
0…2
Final assembly
number
—
—
As in command
—
(1)
Bit 2 = protocol bridge device.
(2)
Bit 0 = multisensor device, bit 1 = EEPROM control required.
(3)
Truncated after last supported variable.
Universal Commands
Command
Data in Command
Data in Reply
#
Function
Byte
Data
Type
Byte
Data
Type