ProSoft Technology MVI69-HART User Manual
Page 99
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MVI69-HART ♦ CompactLogix Platform
Reference
HART Multi-drop Master Communication Module
User Manual
ProSoft Technology, Inc.
Page 99 of 169
March 29, 2012
DB Byte
Offset
Type
Description
Byte
Cnt
Data
Source
Use of Data
18
byte
Extended Field Device Status
1
CMD 0
Info
19
byte
Primary variable units code
1
CMD 3
Cfg
20
byte
Secondary variable units code
1
CMD 3
Cfg
21
byte
Tertiary variable units code
1
CMD 3
Cfg
22
byte
Quaternary variable units code
1
CMD 3
Cfg
23 to 30
byte
Tag name
8
CMD 13
Info
31 to 46
byte
Descriptor
16
CMD 13
Info
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: