Rockwell Automation 1794-APBDPV1 FLEX I/O PROFIBUS Adapter User Manual - Manual (Page 139)

Publication 1794-UM064B-EN-P - May 2014
126 Additional HART Protocol Information
Universal Commands
Universal Commands
Command Data in Command Data in Reply
# Function Byte Data Type Byte Data Type
0 Read unique identifier — None — 0 254 (expansion) —
1 Manufacturer
identification code
2 Manufacturer device
type code
(1)
3 Number of preambles
required
4 Universal command
revision
5 Device-specific
command revision
6 Software revision
7 Hardware revision
8 Device function flags
(2)
(H)
9…11 Device ID number (B)
1 Read primary variable — — — 0 PV units code —
1…4 Primary variable (F)
2 Read current and
percent of range — None — 0…3 Current (mA) (F)
4…7 Primary variable
3 Read current and four
(predefined) dynamic
variables — None — 0…3 Current (mA) —
4 PV units code
5…8 Primary variable
9 SV units code
10…13 Secondary variable (3)
14 TV units code
15…18 Third variable
19 FV units code
20…23 Fourth variable
6 Write polling address 0 Polling address — — As in command —