Flowserve MX HART Field Unit User Manual
Page 23
23
MX/QX HART Field Unit FCD LMENIM2340-00 – 1/14
flowserve.com
Command
Request Data Bytes
Response Data Bytes
No.
Description
Byte
Format
Description
Byte
Format
Description
8
Read Dynamic
Variable Class
Read Dynamic
Variable Class
0
1
2
3
Enum
Enum
Enum
Enum
Primary Variable Class
Secondary Variable Class
Tertiary Variable Class
Quaternary Variable Class
9
Read Device
Variables with
Status
0
1
2
3
4
5
6
7
Unsigned-8
Unsigned-8
Unsigned-8
Unsigned-8
Unsigned-8
Unsigned-8
Unsigned-8
Unsigned-8
Slot 0: Device Variable Code
Slot 1: Device Variable Code
Slot 2: Device Variable Code
Slot 3: Device Variable Code
Slot 4: Device Variable Code
Slot 5: Device Variable Code
Slot 6: Device Variable Code
Slot 7: Device Variable Code
0
1
2
3
4-7
8
9
10
11
12-15
16
17
18
19
20-23
24
25
26
27
28-31
32
33
34
35
36-39
40
41
42
43
44-47
48
49
50
51
52-55
56
57
58
59
60-63
64
65-68
Bits
Unsigned-8
Enum
Enum
Float
Bits
Unsigned-8
Enum
Enum
Float
Bits
Unsigned-8
Enum
Enum
Float
Bits
Unsigned-8
Enum
Enum
Float
Bits
Unsigned-8
Enum
Enum
Float
Bits
Unsigned-8
Enum
Enum
Float
Bits
Unsigned-8
Enum
Enum
Float
Bits
Unsigned-8
Enum
Enum
Float
Bits
Time
Extended Field Device Status: 0=OK,
1=Maintenance req’d, 2=Device Alert
Slot 0: Device Variable Code
Slot 0: Device Variable Classification
Slot 0: Units Code
Slot 0: Device Variable Value
Slot 0: Device Variable Status
Slot 1: Device Variable Code
Slot 1: Device Variable Classification
Slot 1: Units Code
Slot 1: Device Variable Value
Slot 1: Device Variable Status
Slot 2: Device Variable Code
Slot 2: Device Variable Classification
Slot 2: Units Code
Slot 2: Device Variable Value
Slot 2: Device Variable Status
Slot 3: Device Variable Code
Slot 3: Device Variable Classification
Slot 3: Units Code
Slot 3: Device Variable Value
Slot 3: Device Variable Status
Slot 4: Device Variable Code
Slot 4: Device Variable Classification
Slot 4: Units Code
Slot 4: Device Variable Value
Slot 4: Device Variable Status
Slot 5: Device Variable Code
Slot 5: Device Variable Classification
Slot 5: Units Code
Slot 5: Device Variable Value
Slot 5: Device Variable Status
Slot 6: Device Variable Code
Slot 6: Device Variable Classification
Slot 6: Units Code
Slot 6: Device Variable Value
Slot 6: Device Variable Status
Slot 7: Device Variable Code
Slot 7: Device Variable Classification
Slot 7: Units Code
Slot 7: Device Variable Value
Slot 7: Device Variable Status
Slot 7 data time stamp
11
Read Unique
Identifier
Associated
With Tag
0-5
Packed
Tag
0
1-2
3
4
5
6
7
7
8
9-11
12
13
14-15
16
17-18
19-20
21
Unsigned-8
Enum
Unsigned-8
Unsigned-8
Unsigned-8
Unsigned-8
Unsigned-5
Enum
Bits
Unsigned-24
Unsigned-8
Unsigned-8
Unsigned-16
Bits
Enum
Enum
Enum
“254”
Expanded Device Type = 0x3008
Min. number of request preambles = 5
HART Protocol Major Rev. = 7
Device Rev. Level
Software Rev. Level
(5 MSB) Hardware Rev. Level
(3 LSB) Physical Signaling Code=0
Device Flag Assignment = 0
Device ID (unique for given device type)
Min. number of response preambles=5
Max. number of device variables = 5
Configuration Change Counter
Extended Field Device Status: 0=OK,
1=Maintenance req’d, 2=Device Alert
Manufacturer Identification Code = 0x0030
Private Label Distributor Code = 0x0030
Device Profile = 1
12
Read Message
0-23
Packed
Message
13
Read Tag,
Descriptor,
Date
0-5
6-17
18-20
Packed
Packed
Date
Tag
Descriptor
Date Code
14
Read Primary
Variable
Transducer
Information
0-2
3
4-7
8-11
12-15
Unsigned-24
Enum
Float
Float
Float
Transducer Serial Number
Transducer Limits and Minimum Span Units
Code = 57 (%)
Upper Transducer Limit
Lower Transducer Limit
Minimum Span
15
Read Device
Information
0
1
2
3-6
7-10
11-14
15
16
17
Enum
Enum
Enum
Float
Float
Float
Enum
Enum
Bits
PV Alarm Selection Code = 250 (not used)
PV Transfer Function Code = 0 (Linear)
PV Upper and Lower Range Values Units
Code
PV Upper Range Value
PV Lower Range Value
PV Damping Value (seconds)
Write Protect Code = 251 (none)
Reserved = 250 (not used)
PV Analog Channel Flags = 0x01