Emerson 3051S Specifikace Strana 107
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17
Reference Manual
00809-0100-4803, Rev DA
Section 4: Operation and Maintenance
April 2013
Operation and Maintenance
Process temperature upper and lower sensor trim
To calibrate the Process Temperature Input using the sensor trim, follow the procedure shown
below.
1. Set up a Temperature Calibrator to simulate a Pt 100 (100-ohm platinum, alpha 385
RTD). Wire the two red wires from the 3051S MultiVariable Transmitter terminal block
to one connection, and the two white wires to the other connection. See “Install
Optional Process Temperature Input (Pt 100 RTD Sensor)” on page 14 for more
information.
2. Adjust the calibrator/RTD simulator to a test point temperature value that represents a
minimum process temperature (for example, 32 °F or 0 °C). Click on the Lower Sensor
Trim button under the Process Temperature Sensor Trim heading and follow the
on-screen prompts.
3. Adjust the calibrator/RTD simulator to a test point temperature value that represents
the maximum process temperature (for example, 140 °F or 60 °C). Click on the Upper
Sensor Trim button under the Process Temperature Sensor Trim heading and follow the
on-screen prompts.
Recall factory trim
The Recall Factory Trim button will restore the transmitter to the original factory calibration
settings.
When the recall factory trim function is used, the transmitter’s upper and lower trim values are
set to the values configured at the factory. If custom trim values were specified when the
transmitter was ordered, the device will recall those values. If custom trim values were not
specified, the device will recall the upper and lower sensor limits.
Transmitter RTD sensor matching using callendar-van dusen
constants
The 3051S MultiVariable accepts Callendar-Van Dusen constants from a calibrated RTD
schedule and generates a special custom curve to match that specific sensor Resistance vs.
Temperature performance. Matching the specific sensor curve with the transmitter
configuration enhances the temperature measurement accuracy.
Under the Sensor Matching heading, the Callendar-Van Dusen constants R
0
, A, B, and C can be
viewed. If the Callendar-Van Dusen constants are known for the user’s specific Pt 100 RTD
sensor, the constants R
0
, A, B, and C may be edited by clicking on the Callendar-Van Dusen
Setup button and following the on-screen prompts.
The user may also view the , ß, and Coefficients by clicking on the View Alpha, Beta, Delta
button. The constants R
0
, , ß, and may be edited by clicking on the Callendar-Van Dusen
Setup button and following the on-screen prompts. To reset the transmitter to the IEC 751
Defaults, click the Reset to IEC 751 Defaults button.
- Rosemount 3051S MultiVariable 1
- Transmitter 1
- Contents 5
- Table of Contents 6
- 5Section 5: Troubleshooting 7
- Section 1 Introduction 9
- 1.2 Models covered 10
- 1.3 Service support 10
- Section 2 Installation 11
- 2.2.1 Warnings 12
- 2.4 Installation procedures 13
- 2.4.2 Mounting considerations 14
- LCD display rotation 15
- Feature board side of housing 15
- Cover installation 15
- Conduit entry threads 15
- Cover jam screw 16
- Process flange orientation 16
- 2.4.3 Mount the transmitter 17
- Flange bolts 18
- Mounting requirements 19
- 2.4.4 Process connections 20
- ROSEMOUNT 3051S / 3051 / 2051 21
- Impulse piping considerations 22
- Surges/transients 25
- Signal wire grounding 26
- 2.4.7 Grounding 27
- 305 INTEGRAL 29
- COPLANAR 29
- 305 INTEGRAL TRADITIONAL 29
- 304 TRADITIONAL 29
- 304 WAFER 29
- Section 2: Installation 34
- Installation 34
- Section 3 Configuration 35
- 3.2 Safety messages 36
- Connecting to a PC 38
- 3.4 Flow configuration 39
- Online and offline mode 40
- 3.4.4 Preferences 42
- 3.4.6 Fluid properties 46
- 3.4.8 Save / send 49
- Saving a configuration 51
- Sending a saved configuration 51
- Natural gas 52
- Custom gas 54
- Custom liquid [Density (T)] 55
- Units of measure 57
- 3.6.1 Model identification 60
- 3.6.2 Alarm and saturation 60
- 3.6.3 Variable mapping 62
- 3.6.4 LCD display 63
- 3.6.5 Communication setup 64
- Burst mode 65
- Enabling burst mode 65
- Choosing a burst option 66
- Multidrop communication 66
- Loop current mode 67
- 3.7 Variable configuration 69
- Time conversion example: 73
- 3.7.2 Energy rate 75
- Energy conversion example: 77
- Section 3: Configuration 79
- Configuration 79
- 3.7.3 Totalizer 81
- Totalizer conversion example: 83
- 3.7.4 Differential pressure 84
- 3.7.5 Static pressure 85
- 3.7.6 Process temperature 86
- 3.7.7 Module temperature 87
- 3.7.8 Analog output 88
- (page 1) 91
- (page 2) 92
- 3.8.5 475 Fast keys 95
- Function Fast Key Sequence 96
- 4.1 Overview 99
- 4.2 Safety messages 100
- 4.3 Transmitter calibration 101
- 4.3.2 Sensor trim overview 102
- Zero trim 103
- Upper and lower sensor trim 103
- Calibration type 104
- Recall factory trim 104
- Last DP sensor trim point 104
- 4.3.6 Analog calibration 108
- Analog output loop test 109
- 00809-0100-4803, Rev DA 110
- April 2013 110
- 4.5 Process variables 111
- 4.5.2 All variables tab 112
- Field device labels 113
- Remove the feature board 114
- Black Rubber V-Seal 115
- 4.6.3 Terminal block 116
- 4.6.4 LCD display 117
- 4.6.5 Flange and drain vent 117
- 4.6.6 SuperModule assembly 119
- Reference Manual 120
- Operation and Maintenance 120
- Section 5 Troubleshooting 121
- Section 5: Troubleshooting 122
- Troubleshooting 122
- Symptom Corrective Actions 124
- Symptom Corrective Action 128
- Reference Data 131
- Total performance 132
- Long term stability 133
- Warranty 133
- Ambient Temperature effect 134
- Line Pressure effect 135
- Mounting Position Effects 135
- Vibration effect 135
- Power supply effect 136
- Range and sensor limits 137
- 4–20 mA/HART 138
- Overpressure limits 139
- Static Pressure limit 139
- Burst Pressure limits 140
- Temperature limits 140
- Humidity limits 140
- Volumetric displacement 141
- Failure mode alarm 141
- A.1.3 Physical specifications 142
- Sensor module fill fluid 143
- Cover O-rings 143
- A.2 Dimensional drawings 145
- Pipe Mount Panel Mount 146
- Appendix A: Reference Data 147
- 3.56 Max open 148
- (90 Max open) 148
- A.3 Ordering information 149
- 2-14 NPT flange adapter ★ 152
- 2 SST flange adapter 152
- A.4 Accessories 157
- A.5 Exploded view diagram 158
- A.6 Spare Parts 159
- North American certifications 166
- European certifications 166
- Japanese certifications 167
- INMETRO certifications 168
- China (NEPSI) certifications 168
- IECEx certifications 169
- B.5 Installation drawings 171
- Product Certifications 172
- B.5.3 GE / GM option NEMA 4X 181
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