Emerson MICRO MOTION 2700 Instrukcja Instalacji Strona 97
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Transmitter Configuration and Use: Series 1000 and 2000 Transmitters 87
Optional Configuration continued
Required Configuration Optional ConfigurationUsing the TransmitterFlowmeter Startup
Note: For gas applications, Micro Motion recommends a flow damping value of 3.2.
Before setting the damping values, review Sections 8.7.1 through 8.7.3 for information on how the
damping values interact with other transmitter measurements and parameters.
8.7.1 Damping and volume measurement
When configuring damping values, be aware that volume measurement is derived from mass and
density measurements; therefore, any damping applied to mass flow and density will affect volume
measurements. Be sure to set damping values accordingly.
8.7.2 Interaction with the added damping parameter
Both the primary mA output and the secondary mA output (if it is available on your transmitter) have
a damping parameter (added damping). If damping is configured for flow, density, or temperature, the
same process variable is assigned to an mA output, and added damping is also configured for the mA
output, the effect of damping the process variable is calculated first, and the added damping
calculation is applied to the result of that calculation.
See Section 6.5.5 for more information on the added damping parameter.
8.7.3 Interaction with the update rate
Flow and density damping values depend on the configured update rate (see Section 8.8). If you
change the update rate, the damping values are automatically adjusted.
Note: The specific process variable selected for the 100 Hz update rate is not relevant; all damping
values are adjusted as described.
8.8 Configuring the update rate
The update rate is the rate at which the sensor reports the process variables to the
transmitter. This affects transmitter response time to changes in the process.
There are two settings for the update rate:
Normal and Special.
• When
Normal is configured, all process variables are reported at the rate of
20 times per second (20 Hz).
• When
Special is configured, a single, user-specified process variable is
updated at 100 times per second (100 Hz), and all other process variables are
updated at 6.25 times per second (6.25 Hz). If you set the update rate to
Special, you must also specify which process variable will be updated at
100 Hz.
Table 8-5 Valid damping values
Process variable Update rate
(1)
(1) See Section 8.7.3.
Valid damping values
Flow (mass and volume) Normal (20 Hz) 0, .2, .4, .8, ... 51.2
Special (100 Hz) 0, .04, .08, .16, ... 10.24
Density Normal (20 Hz) 0, .2, .4, .8, ... 51.2
Special (100 Hz) 0, .04, .08, .16, ... 10.24
Temperature Not applicable 0, .6, 1.2, 2.4, 4.8, ... 76.8
• Model 1500 AN
• Model 1700 AN
• Model 1700 IS
• Model 2500 CIO
• Model 2700 AN
• Model 2700 IS
• Model 2700 CIO
- Micro Motion 1
- Series 1000 and 1
- Series 2000 Transmitters 1
- Contents 5
- Chapter 1 11
- Before You Begin 11
- Before You Begin continued 13
- Topic Document 13
- Term Definition 13
- Item Configuration data 15
- Chapter 2 17
- Using the Transmitter Display 17
- –8.100E 5 19
- Chapter 3 21
- Poll button in the Connect 26
- 1 and 2, or to the 26
- Connect to Device 32
- Chapter 4 33
- 375 Field Communicator 33
- Chapter 5 39
- Flowmeter Startup 39
- Flowmeter Startup continued 40
- 5.5.3 Zeroing with ProLink II 50
- Chapter 6 53
- Sensor type 54
- T- S er ie s O t he r 54
- Newer tag Older tag 55
- Flow FCF X.XXXX FT X.XX 56
- Terminals 58
- Default Process 58
- Mass flow unit 60
- Volume flow unit 61
- ProLink II code 69
- Communicator 69
- Polarity 75
- Output power 75
- Description 75
- Assignment ProLink II code 77
- Using the Transmitter 79
- Chapter 7 79
- • Model 1700 AN 84
- • Model 1700 IS 84
- • Model 2700 AN 84
- • Model 2700 IS 84
- • Model 2700 CIO 84
- Scroll optical switch 85
- Select optical switch 85
- Function name Communicator 86
- ProLink II 86
- ProLink 87
- Totalizer Control 87
- With a Communicator 88
- Chapter 8 89
- Optional Configuration 89
- Table 8-1 Configuration map 90
- Special 92
- • Model 2500 CIO 93
- Variable Description 94
- Cutoff type Default Comments 96
- Example 1 100
- Example 2 100
- Example 3 101
- Informational panel of the 102
- Status window 102
- Scroll to view process 104
- Max Int. Totalizers stop 106
- Parameter 109
- Series 1000 Series 2000 110
- Process variable 110
- PV SV TV QV PV SV TV QV 110
- Parameter Description 111
- Chapter 9 113
- Compensation, and Polling 113
- Pressure unit 114
- Static pressure 116
- Polled Var 1 119
- Chapter 10 121
- Troubleshooting 121
- Troubleshooting continued 122
- Section Topic 122
- Symptom Cause Possible remedy 132
- Pickoff value 141
- Cause Possible remedy 141
- Test terminal pair 146
- Colors Numbers 146
- Possible cause Solution 147
- Appendix A 151
- Default Values and Ranges 151
- Appendix B 155
- Appendix C 167
- Calibrating the Transmitter 167
- Appendix D 175
- Name Description 176
- Available process variables 178
- Slope and offset 181
- Appendix E 183
- Other configuration options 185
- Preferences menu 187
- Figure E-4 Communicator menus 188
- Appendix F 193
- Figure F-4 Communicator menus 197
- Appendix G 203
- Transmitters 203
- Figure G-4 Communicator menus 207
- Enter password if required 212
- Appendix H 219
- Figure H-4 Communicator menus 223
- Appendix I 235
- Configuration 237
- Figure I-4 Communicator menus 239
- On-Line Menu 240
- 3 Basic Setup 240
- 4 Detailed Setup 240
- 5 Review 243
- Appendix J 251
- Select to disable 252
- Select to enable 252
- Index continued 256
- *20001715* 264
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