Table 4- 1 Rs-485 Connector J1; Table 4- 2 Command 0 - Read Unique Identifier; Table 4- 3 Command 1 - Read Primary Variable - Siemens SITRANS F US Protocol Manual

HART Communications
4.1 Universal HART Commands
Table 4- 1
HART Commands
The following tables list the Universal HART Commands for the SITRANS F US Clamp-on
Communication Module.
Commands
Table 4- 2
Description
"254"
Device Type
Minimum number of Preambles
HART Protocol Major Revision Number
Device Revision Level
Software Revision Level
Hardware Revision Level
Physical Signaling Code
Flags
Device ID
Minimum number of preambles
Maximum number of Device Variables
Configuration Change Counter
Extended Field Device Status
Manufacturer Identification Code
Private Label Distribution Code
Device Profile
Table 4- 3
Description
Primary Variable Units
Primary Variable
38
RS-485 Connector J1
Pin Signal
J1-1 RS-485+
J1-2 RS-485-
J1-3 RS-485 GND
J1-4 N/A
J1-5 HART
J1-6 HART
Command 0 - Read Unique Identifier
Command 1 - Read Primary Variable
Description
No Connection
No Connection
No Connection
No Connection
HART +
HART -
Byte Response Comments/Value
0 FE
1-2 2Axx Siemens FUS1010
3 5
4 7
5
6
<5 most significant bits>
7
<3 least significant bits>
7 0
A5E31571875A
See Common table 11
8
<unique ID for each >
9-11
12
13
<increments with each write>
14-15
See Common table 17
16
17-18 002A Siemens
19-20 002A Siemens
21 01 Process Automation Device
Byte Format Comments/Value
< write units CMD 35 or 44>
0 Enum
1-4 Float <select PV variable CMD 160>
F US Clamp-on Communications Protocol Manual
Hardware Installation Manual, 11/2015, A5E34981613-AC