Measurement-computing TempScan/1100 Manual de usuario Pagina 70
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4-12 System Configuration 879596 TempScan / MultiScan User's Manual
To Compute the MultiScan/1200 Scan Interval
To compute the time interval for the MultiScan/1200 to acquire one scan, use the following formulas:
• For a 60-Hz Line Cycle: Scan Interval equals:
Is-m = Cv x (Wv + 12) x R3
• For a50-Hz Line Cycle: Scan Interval equals:
Is-m = Cv x (Wv + 12) x R4
Where:
Is-m = Scan Interval for the MultiScan/1200, milliseconds.
Cv = Channels, variable number of configured channels in the scan.
Wv = Sampling Weight, variable number of samples per channel.
R3 = Sampling Rate, constant of 0.52083 milliseconds (per sample) for a 60-Hz line cycle.
R4 = Sampling Rate, constant of 0.62500 milliseconds (per sample) for a 50-Hz line cycle.
For example, if 148 channels are configured, the disposition of these channels will not be a factor. Using
the scan interval formula for a MultiScan/1200 system with a 60-Hz line cycle, if the system is configured
to take 1 sample per channel, gives:
Is-m = 148 x (1 + 12) x 0.52083 millisec.
Is-m = 148 x 13 x 0.52083 millisec = 1002 millisec = 1.002 seconds.
Meanwhile, the following table shows how the fast mode scan rate varies when the number of configured
channels increases where these MultiScan/1200 channels are all adjacent to each other, and are using the
default sampling weight of 32 samples per channel.
Variations of the MultiScan/1200 Fast Mode Scan Rate
Number of Number of Scan Rate (Hz)
12-Channel Selected 60-Hertz Line Cycle 50-Hertz Line Cycle
Blocks Channels Hertz seconds Hertz seconds
1 12
3.636 0.275 3.030 0.330
2 24
1.818 0.550 1.515 0.660
3 36
1.212 0.825 1.010 0.990
4 48
0.909 1.100 0.758 1.320
5 60
0.727 1.375 0.606 1.650
… …
… … … …
10 120
0.3636 2.750 0.3030 3.300
… …
… … … …
50 600
0.0727 13.750 0.0606 16.500
… …
… … … …
60 720
0.0606 16.500 0.0505 19.800
61 732
0.0596 16.775 0.0497 20.130
62 744
0.0587 17.050 0.0489 20.460
Note:
(1) The number of selected channels refer to configured channels which are all adjacent to
each other. (2) These values were obtained from the above MultiScan/1200 scan interval
equations.
- TempScan/1100 1
- MultiScan/1200 1
- Manual Layout 5
- Table of Contents 7
- 5 – System Operation 8
- 6 – System Calibration 8
- Quick Start Guide 11
- CAUTION 12
- Software Setup & Startup 13
- 988892 446-0940, rev 2.2 14
- System Overview 1 15
- Front Panel Indicators 16
- 899493 System Overview 1-3 17
- WARNING 20
- Hardware Configuration 21
- IEEE 488 Configuration 22
- 899493 System Overview 1-11 25
- Digital I/O Configuration 27
- Line Voltage Selection 32
- Fuse Replacement 34
- Rack Mount 35
- Bench Top 35
- Power-Up Activation 36
- Expansion Units 2 37
- 2-2 Expansion Units 38
- Expansion Unit 2-3 39
- Master/Slave Connection 40
- CAUTIONCAUTION 40
- Slave Configuration 41
- Channel Assignment 41
- Exp/11A Expansion Unit 43
- 2-8 Expansion Units 44
- Expansion Unit 2-9 45
- 2-12 Expansion Units 48
- Scanning Cards 3 49
- 3-2 Scanning Cards 50
- Scanning Cards 3-3 51
- 3-4 Scanning Cards 52
- 3-6 Scanning Cards 54
- MultiScan Scanning Cards 55
- 3-8 Scanning Cards 56
- Scanning Cards 3-9 57
- 3-10 Scanning Cards 58
- System Configuration 4 59
- Memory Allocation 60
- Required Configuration 64
- Scan Configuration 67
- 00:00:00.0 68
- I? command 68
- Acquisition Configuration 71
- Trigger Configuration 74
- Additional Configuration 76
- Alarm Configuration 77
- Stamp Configuration 80
- (2) PRINT#1, “OUTPUT07;R3X” 81
- (3) PRINT#1, “ENTER07" 81
- (4) INPUT A$ 81
- Data Format Configuration 84
- Power-Up Configuration 90
- System Operation 5 91
- Buffer Organization 92
- Trigger Block Configurations 93
- Buffer Query Operation 94
- Buffer Read Operations 95
- Buffer Overrun 101
- F) command 103
- Access to the HLL Registers 104
- 5-18 System Operation 108
- Theory of Operation 109
- Status-Reporting Registers 109
- 5-20 System Operation 110
- System Operation 5-21 111
- 5-22 System Operation 112
- Mask Registers 113
- Additional Operation 115
- Real-Time Clock 116
- System Calibration 6 117
- Calibration Setup 118
- Calibration Status 119
- Calibration Password 119
- K12345 120
- Software 131
- C3523DFA6C0A 133
- Overview 134
- 1) Waiting for Trigger 135
- Main Window 136
- 988992 ChartView , CV-5 137
- Channel Information Region 138
- Status Indicator Region 139
- Chart Pop-up Menu 140
- 988992 ChartView , CV-9 141
- CV-10 ChartView 142
- Software Reference 142
- Main Window Toolbar 143
- Display 144
- Configuration 144
- 988992 ChartView , CV-13 145
- CV-14 ChartView 146
- 988992 ChartView , CV-15 147
- 988992 Software Reference 148
- 988992 ChartView , CV-17 149
- Channel Configuration 150
- View File Data 150
- 988992 ChartView , CV-19 151
- Main Window Pull-Down Menus 152
- 988992 ChartView , CV-21 153
- View (continued) 155
- Acquire 156
- 988992 ChartView , CV-25 157
- Device … Interface ¾ 158
- 988992 ChartView , CV-27 159
- Device … Status ¾ 161
- 988992 ChartView , CV-31 163
- Bar Graph Meters 164
- Analog Meters 165
- Digital Meters 166
- Meter Toolbars 167
- Meter Pull-Down Menus 167
- Meters Configuration Menu 168
- Configuring a Meter 168
- Setup Window 169
- 988992 ChartView , CV-39 171
- CV-40 ChartView 172
- Acquisition Setup Dialog Box 173
- Acquisition Setup 174
- 988992 ChartView , CV-43 175
- CV-44 ChartView 176
- 988992 ChartView , CV-45 177
- Data Destination Dialog Box 178
- 988992 ChartView , CV-47 179
- Chart Setup Wizard 180
- 988992 ChartView , CV-49 181
- CV-50 ChartView 182
- ViewXL 183
- 989092 Software Reference 184
- Toolbar 185
- Load Configuration 186
- Options 186
- Data Acquisition Server 186
- Timestamps 187
- Multiple Data Files 188
- Import Files 188
- 457-0913 rev 3.0 189
- An Example Macro 191
- Sub GetData() 192
- ViewXL API Definition 193
- APPENDICES 195
- Introduction …… A-2 197
- Command Reference …… A-11 197
- Introduction 198
- Command Interpretation 199
- Immediate Immediate 200
- Immediate Immediate 200
- Command Summary 202
- Command Reference 207
- - Trigger On Command 208
- TempScan/1100 only 212
- - Reset Power-On 215
- - Configure Channels 221
- - Select Card 224
- - Set Relay Make Time 225
- MultiScan/1200 only 225
- - End Calibration Mode 226
- - Query Error Status 227
- - Set Data Format 228
- - Set Scan Interval 233
- - Set Trigger Level 237
- - Set Scan Rate 238
- - Set SRQ Mask 239
- - Set Measuring Mode 240
- - Set Event Mask 241
- - Set Digital Outputs 242
- - Program Trigger Times 243
- - Set Query Terminator 244
- - Query Card Data 245
- - Read Buffered Data 246
- - Read Last Readings 247
- - Set Real-Time Clock 248
- - User Status 251
- - Set User Terminator 254
- - Set Averaging Weight 255
- - Execute 256
- - Set Counts 257
- - Query 258
- IEEE 488 Bus Commands 260
- ASCII Codes 261
- ASCII Code Details 263
- Abbreviations 268
- Reading HLL Status 273
- (50) …… 15-WEND 278
- Operating Alarms 285
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