Flowserve MX HART Field Unit User Manual
Page 31
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MX/QX HART Field Unit FCD LMENIM2340-00 – 1/14
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Command
Request Data Bytes
Response Data Bytes
No.
Description
Byte
Format
Description
Byte
Format
Description
78
Read
Aggregated
Commands
24
0
1-2
3
4-i
……..
……..
……..
……..
……..
……..
Unsigned-8
Unsigned-16
Unsigned-8
Unsigned-8[]
Unsigned-16
Unsigned-8
Unsigned-8[]
Unsigned-16
Unsigned-8
Unsigned-8[]
Number of commands requested
Cmd A
Byte count for Cmd A
Data bytes for Cmd A
Cmd B
Byte count for Cmd B
Data bytes for Cmd B
……
Cmd N
Byte count for Cmd N
Data bytes for Cmd N
0
1
2-3
4
5-A
……..
……..
……..
……..
……..
……..
……..
……..
Bits
Unsigned-8
Unsigned-16
Unsigned-8
Unsigned-8[]
Unsigned-8
Unsigned-16
Unsigned-8
Unsigned-8[]
Unsigned-8
Unsigned-16
Unsigned-8
Unsigned-8[]
Extended Field Device Status: 0=OK,
1=Maintenance req’d, 2=Device Alert
Number of Commands Requested
Cmd A
Byte count for Cmd A
Data bytes for Cmd A (including commands
response code)
Cmd B
Byte count for Cmd B
Data bytes for Cmd B (including commands
response code)
……………………
Cmd N
Byte count for Cmd N
Data bytes for Cmd N (including commands
response code)
79
Write Device
Variable
0
1
2
3-6
7
Unsigned-8
Enum
Enum
Float
Bits
Device Variable Code
Write Device Variable Command Code
Units Code
Device Variable Value
Device Variable Status
0
1
2
3-6
7
Unsigned-8
Enum
Enum
Float
Bits
Device Variable Code
Write Device Variable Command Code
Units Code
Device Variable Value
Device Variable Status
89
Set Real Time
Clock
25
0
1-3
4-7
8-9
Unsigned-8
Date
Time
Unsigned-16
Time set code
26
Date Code
Time of Day
0x0000
27
0
1-3
4-7
Unsigned-8
Date
Time
Time set code
Date Code
Time of Day
90
Read Real Time
Clock
28
0-2
3-6
7-9
10-13
14
Date
Time
Date
Time
Bits
Current Date
Current Time of Day
Date Clock last set
Time Clock last set
RTC Flags
91
Read Trend
Configuration
29
0
Usigned-8
Trend Number
0
1
2
3
4-7
Unsigned-8
Unsigned-8
Enum
Unsigned-8
Time
Trend Number
Total number of Trends supported
Trend Control Code
Device Variable Code
Trend sample interval
30
92
Write Trend
Configuration
31
0
1
2
3-6
Unsigned-8
Enum
Unsigned-8
Time
Trend Number
Trend Control Code
Device Variable Code
Trend sample interval
30
0
1
2
3-6
Unsigned-8
Enum
Unsigned-8
Time
Trend Number
Trend Control Code
Device Variable Code
Trend sample interval
93
Read Trend
32
0
Usigned-8
Trend Number
0
1
2
3
4-6
7-10
11-14
15-18
19
20-23
24
25-28
29
30-33
34
35-38
39
40-43
44
45-48
49
50-53
54
55-58
59
60-63
64
65-68
69
70-73
74
Unsigned-8
Unsigned-8
Enum
Enum
Date
Time
Time
Float
Bits
Float
Bits
Float
Bits
Float
Bits
Float
Bits
Float
Bits
Float
Bits
Float
Bits
Float
Bits
Float
Bits
Float
Bits
Float
Bits
Trend Number
Device Variable Code
Device Variable Classification
Device Variable Unit Code
Date Stamp Of Trend Value 0
Time Stamp of Trend Value 0
Sample Interval
Trend Value 0 (newest value)
Trend Value 0 Status
Trend Value 1
Trend Value 1 Status
Trend Value 2
Trend Value 2 Status
Trend Value 3
Trend Value 3 Status
Trend Value 4
Trend Value 4 Status
Trend Value 5
Trend Value 5 Status
Trend Value 6
Trend Value 6 Status
Trend Value 7
Trend Value 7 Status
Trend Value 8
Trend Value 8 Status
Trend Value 9
Trend Value 9 Status
Trend Value 10
Trend Value 10 Status
Trend Value 11
Trend Value 11 Status
95
Read Device
Communications
Statistics
33
0-1
2-3
4-5
Unsigned-16
Unsigned-16
Unsigned-16
Count of STX messages received by this device
Count of ACK messages received by this device
Count of BACK messages received by this device.
103
Write Burst
Period
34
0
1-4
5-8
Unsigned-8
Time
Time
Burst Message
Update Period
35
Maximum Update Period
36
0
1-4
5-8
Unsigned-8
Time
Time
Burst Message
Update Period
37
Maximum Update Period
37
104
Write Burst
Trigger
34
0
1
2
3
4-7
Unsigned-8
Enum-8
Enum-8
Enum-8
Float
Burst Message
38
Burt Trigger Mode Selection Code
Device Variable Classification for Trigger Level
Units Code
Trigger Level
0
1
2
3
4-7
Unsigned-8
Enum-8
Enum-8
Enum-8
Float
Burst Message
Burt Trigger Mode Selection Code
Device Variable Classification for Trigger Level
Units Code
Trigger Level