Specifications
Functional Overview HART ♦ ProLinx Gateway
Driver Manual HART Master
ProSoft Technology, Inc. Page 17 of 119
July 7, 2009
DB Byte
Offset
Type Description
Byte
Cnt
Data
Source
Use of Data
47 to 49 byte Tag/Descriptor data 3 CMD 13 Info
50 to 52 byte Transducer serial number 3 CMD 14 Info
53 byte
Transducer limits and min span
units code
1 CMD 14 Info
54 byte PV alarm selection code 1 CMD 15 Info
55 byte PV transfer function code 1 CMD 15 Info
56 byte
PV upper and lower range value
units code
1 CMD 15 Info
57 byte Write protection code 1 CMD 15 Status
58 byte Private label distributor code 1 CMD 15 Info
59 byte PV analogchannel flag 1 CMD 15 Info
TOTAL BYTE COUNT 60
TOTAL WORD COUNT 30
DB Byte
Offset
Type Description
Byte
Cnt
Data
Source
Use of Data
60 to 63 float Primary variable value 4 CMD 3 Status
64 to 67 float Secondary variable value 4 CMD 3 Status
68 to 71 float Tertiary variable value 4 CMD 3 Status
72 to 75 float Quaternary variable value 4 CMD 3 Status
76 to 79 float Upper transducer limit 4 CMD 14 Cfg
80 to 83 float Lower transducer limit 4 CMD 14 Cfg
84 to 87 float Minimum span 4 CMD 14 Cfg
88 to 91 float PV upper range value 4 CMD 15 Cfg
92 to 95 float PV lower range value 4 CMD 15 Cfg
96 to 99 float PV damping value (in seconds) 4 CMD 15 Cfg
TOTAL FLOAT BYTE COUNT 40
TOTAL FLOAT WORD COUNT 20
DB Regs/Device 50
Max DB Regs/channel for 15 Devices 750
Max DB Regs for HART Card 3000
The following table defines the auto-polling command status bits:
Bit # Description
0 Long Address Set (command 0 successful)
1 Command 13 successful (configuration)
2 Command 14 successful (configuration)
3 Command 15 successful (configuration)
4 Command 3 successful (data polling)
5 Reserved
6 Reserved
7 Reserved