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3-3
IM WX103-01E
1
2
3
4
5
Index
Viewer
Synchronization
The Logger of the MXLOGGER or the Integration Monitor of the MX100 Standard
Software sends PC’s time information to the MX100 at measurement intervals. The PC’
s time information is received along with the measured data when the data is received
from the MX100. When measured data is recorded, the PC time information (the MX100’
s time information is used on the monitor display of the Logger) is also recorded.
PC Time
MX100
Packet
Packet
Measured data
Measured data
PC Time
. . . . . .
PC Time
MX100
PC
MX100
On the other hand, each MX100 makes measurements based on the main module clock.
Therefore, the PC’s time that is recorded with the measured data and the PC’s time when
measurements were made may be offset. When loading the data, the Viewer can process
the time information to match the PC’s time that was present at time of measurement.
This process is called synchronization (for details, see Note on the next page).
Note
• Details of Synchronization
Given M recorded data points of a given channel of a data file that has not been
synchronized, synchronization (linear interpolation) is carried out as follows:
1. From the record start/stop time and record interval, determine N, the number of data
points that will result after synchronization of the relevant channel.
2. From the record start time and record interval, determine Stn (n=0, ... , N-1), the PC time
after synchronization of each data point.
3. From the record start/stop time and the PC millisecond clock counter values at record
start/stop, determine PCcntPerms, the clock counter value per millisecond.
4. From the PC millisecond clock counter values recorded with the data before
synchronization and PCcntPerms, determine Rtm (m=0, ... , M-1), the PC time of the
data before synchronization.
5. Determine m such that the expression Rtm-1 ≤ Stn < Rtm is satisfied and retrieve the
data values before synchronization VRtm-1 and VRtm at the PC time of Rtm-1 and Rtm.
6. Determine the data values after synchronization from the expression VStn = (Stn –
Rtm-1) × (VRtm – VRtm-1)/(Rtm – Rtm-1) + VRtm-1 where (n=0, ... , N-1 and m=0, ... ,
M-1).
7. Determine the data values after synchronization for N data points, and then write them to
the synchronized file.
Rtm-2
VRtm-2
VRtm-1
VStn
VRtm
VRtm+1
Rtm-1 Stn Rtm Rtm+1
PC time
Data value
• When loading a data file saved by the MX100 to the CF card, synchronization is not possible
because the PC time information needed in the data synchronization is not present.
3.1 Loading Data Files
- MXLOGGER 1
- Trademarks 2
- Revisions 2
- Software License Agreement 3
- Contents 5
- Chapter 3 Viewer 7
- Chapter 4 Calibrator 7
- Chapter 5 Troubleshooting 7
- Functional Overview 8
- Calibrator 10
- 1.2 MXLOGGER Operation Guide 11
- Overview of Operations 12
- Configure the system 13
- For details, see 13
- Click here to hide the Record 14
- Event settings window 18
- • Alarm Monitor 19
- • Trend Monitor 20
- • Numeric Monitor 20
- • Meter Monitor 21
- • All Channel Monitor 21
- Record the data 23
- 1.3 PC System Requirements 27
- Printer and Mouse 28
- Sound Board 28
- Ethernet Port 28
- 1.4 Setting Up MXLOGGER 29
- Configuring the Network 31
- Setting Up the Network 32
- Subnet Mask 34
- Default Gateway 34
- Connected User (User) 34
- Software 34
- 2.2 Configuring the System 35
- Auto Assignment 37
- MX100 Response Check 38
- CF Card Information 39
- Data Acquisition Conditions 40
- Setting the Data File 41
- Automatic Start Function 42
- Record Stop Condition 44
- Mode Is Set to STR) 47
- Setting the Measurement Span 51
- Setting the Scale 51
- Mode Is Set to RRJC (TC)) 51
- Setting the Burnout 52
- Setting the RJC 52
- 2.5 Setting Computations 54
- Importing Expressions 56
- Channels) 59
- Operators 59
- Arithmetic Functions 61
- Time Functions 62
- • Parameter Setting Ranges 62
- • Timer (<timerNo>) 63
- Timer Level Operation 63
- Manual AO Function 63
- Event Functions 64
- Notes on Computation 65
- 2.6 Setting Alarms 67
- Alarm Hysteresis 69
- 2.7 Digital Output 70
- Setting Analog Output 73
- Setting PWM Output 74
- Editing Pattern Output 75
- Deleting Points 76
- Fixed Output 77
- Rectangular Waveform Output 78
- Trapezoidal Waveform Output 78
- Pyramidal Waveform Output 79
- 2.9 Event Processing 82
- Setting Up Data File Events 83
- Setting Communication Events 84
- Setting Start Record Events 85
- Setting Stop Record Events 86
- Setting Up FTP and E-mail 87
- Configuring FTP 88
- Configuring E-Mail 88
- User File Settings 88
- Enabling/Disabling Events 89
- Displaying the Monitor 90
- Click here 93
- Y-Axis Type 98
- Scale Values 98
- Trip Points 100
- Channel Colors 100
- Clipping of Waveforms 100
- Adding Marks 101
- Grid Density 101
- Cursors 102
- Explanation 103
- Starting the Recording 104
- Stopping the Recording 104
- (Project) 106
- Printing Setup Data 107
- Print Preview 107
- Setting Up the Printer 107
- Changing the Port Number 109
- Procedure 111
- Description 112
- Information 113
- 3.1 Loading Data Files 114
- Synchronization 116
- Joining of Divided Files 117
- CF File Joining Function 118
- 3.2 Setting the Display 119
- IM WX103-01E 120
- Y-Axis Values 122
- Showing/Hiding Alarms 126
- Alarm/Mark List Display 127
- Numeric Display 129
- Settings Window 130
- Clearing Cursors 132
- Measured/Computed Data 133
- 3.5 Saving Display Settings 135
- Saving Templates 136
- Using Templates 136
- 3.7 Converting Data Formats 137
- Conversion Range and Step 138
- Specifying Formats 138
- Notes When Converting Data 138
- 3.8 Printing Data 139
- Executing the Print Operation 140
- Print Example 142
- 4.2 Calibration Procedure 147
- Start calibration 151
- 5.1 Troubleshooting 155
- Troubleshooting 157
- Error Messages on the Logger 159
- Error Messages on the Viewer 160
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