25
©
Dinel, s.r.o. ULM–54
10 . Function and status indication
Fault status signaling is performed by means of:
•
fault currents, see table of default settings, page 27
Revision
The implemented HART protocol is revision No. 5
Universal commands
0
Read unique identifier
1
Read primary variable
2
Read current and percent of range
3
Read current and four (predefined) dynamic variables
6
Write polling address
11
Read unique identifier associated with tag
12
Read message
13
Read tag, descriptor, date
14
Read PV sensor information
15
Read output information
16
Read final assembly number
17
Write message
18
Write tag, descriptor, date
19
Write final assembly number
Standard (practical) commands
34
Write damping value
35
Write range values
40
Enter/exit fixed current mode
42
Perform master reset
44
Write PV units
49
Write PV sensor serial number
HART specification for ULM-54 level meter
