Emerson MICRO MOTION 2700 Instalační manuál Strana 67
- Strana / 264
- Tabulka s obsahem
- ŘEŠENÍ PROBLÉMŮ
- KNIHY
Hodnocené. / 5. Na základě hodnocení zákazníků
Transmitter Configuration and Use: Series 1000 and 2000 Transmitters 57
Required Transmitter Configuration continued
Required Configuration Optional ConfigurationUsing the TransmitterFlowmeter Startup
6.5.5 Configuring added damping
A damping value is a period of time, in seconds, over which the process variable
value will change to reflect 63% of the change in the actual process. Damping helps
the transmitter smooth out small, rapid measurement fluctuations:
• A high damping value makes the output appear to be smoother because the
output must change slowly.
• A low damping value makes the output appear to be more erratic because the
output changes more quickly.
The added damping parameter specifies damping that will be applied to the mA output. It affects the
measurement of the process variable assigned to the mA output, but does not affect the frequency or
digital outputs.
Note: For most applications, the default added damping value is used. Contact Micro Motion
customer support before changing the added damping parameter.
Multiple damping parameters
Damping can also be configured for the flow (mass and volume), density, and temperature process
variables (see Section 8.7). If one of these process variables has been assigned to an mA output, a
non-zero value is configured for its damping, 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 the following example.
Example
Configuration:
• Flow damping: 1
• Primary mA output: Mass flow
• Frequency output: Mass flow
• Primary mA output added damping: 2
As a result:
• A change in mass flow will be reflected in the primary mA output
over a time period that is greater than 3 seconds. The exact time
period is calculated by the transmitter according to internal
algorithms which are not configurable.
• The frequency output level changes over a 1–second time period
(the mass flow damping value). It is not affected by the added
damping value.
• 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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