Emerson DLC3020f Manuale delle Istruzioni Pagina 19
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Instruction Manual
D103434X012
Installation
November 2014
17
HEAT INSULATOR
REQUIRED
70
0 20 40 60 80 100 120 140 160
010 20
-20 -10
30 40 50 60
400
300
200
100
0
0
400
800
-325
AMBIENT TEMPERATURE (_C)
STANDARD TRANSMITTER
AMBIENT TEMPERATURE (_F)
HEAT INSULATOR
REQUIRED
TOO
HOT
NOTES:
FOR PROCESS TEMPERATURES BELOW -29_C (-20_F) AND ABOVE 204_C (400_F) SENSOR
MATERIALS MUST BE APPROPRIATE FOR THE PROCESS - SEE TABLE 1‐4.
2. IF AMBIENT DEW POINT IS ABOVE PROCESS TEMPERATURE, ICE FORMATION MIGHT CAUSE
INSTRUMENT MALFUNCTION AND REDUCE INSULATOR EFFECTIVENESS.
39A4070‐B
A5494‐1
425
80
-100
-200
176
-20-40
-40 -30
TOO
COLD
1
1
NO HEAT INSULATOR NECESSARY
Figure 2‐8. Guidelines for Use of Optional Heat Insulator Assembly
PROCESS TEMPERATURE (_F)
PROCESS TEMPERATURE (_C)
CAUTION
Measurement errors can occur if the torque tube assembly is bent or misaligned during installation.
1. When mounting a DLC3020f on a 249 sensor, secure the shaft extension to the sensor torque tube shaft via the
shaft coupling and set screws, with the coupling centered as shown in figure 2‐7.
2. Slide the access handle to the locked position to expose the access hole. Press on the back of the handle as shown in
figure 2‐2 then slide the handle toward the front of the unit. Be sure the locking handle drops into the detent.
3. Remove the hex nuts from the mounting studs.
4. Position the insulator on the digital level controller, sliding the insulator straight over the mounting studs.
5. Install 4 washers (key 78) over the studs. Install the four hex nuts and tighten.
6. Carefully slide the digital level controller with the attached insulator over the shaft coupling so that the access hole
is on the bottom of the digital level controller.
7. Secure the digital level controller and insulator to the torque tube arm with four cap screws.
8. Tighten the cap screws to 10 NSm (88.5 lbfSin).
Electrical Connections
The following describes how to make fieldbus connections to the digital level controller. For information on
connecting a simulate jumper, refer to page 19.
WARNING
To avoid personal injury resulting from electrical shock, do not exceed the maximum input voltage specified in table 1‐2 or
on the product nameplate. If the input voltage specified differs, do not exceed the lowest specified maximum input
voltage.
- FIELDVUE 1
- DLC3020f Digital Level 1
- Controller for F 1
- fieldbus 1
- Contents 3
- Scope of Manual 5
- Instrument Description 5
- Foundation Fieldbus Blocks 5
- Using This Manual 6
- Specifications 7
- Related Information 7
- Educational Services 7
- Instruction Manual 10
- 28B5536‐1 11
- Section 2 Installation2‐2‐ 13
- Lever Lock 14
- Mounting 15
- DLC3020f Orientation 16
- 20A7423‐C 18
- DIGITAL LEVEL CONTROLLER 18
- AMBIENT TEMPERATURE (_C) 19
- STANDARD TRANSMITTER 19
- 39A4070‐B 19
- Fieldbus Connections 20
- Simulate Enable Jumper 21
- GE46500‐B 22
- Section 3 Overview3‐3‐ 23
- Primary Purpose Variables 24
- Shortcuts 24
- Section 4 Configuration4‐4‐ 27
- Manual Setup 28
- Variable Configuration 29
- Sensor Limits 29
- Sensor Hardware Information 30
- Sensor Units 30
- Sensor Parameters 31
- Torque Tube 32
- Process Fluid 33
- Temperature Compensation 33
- View Fluid Density Table 34
- Display Option 34
- Decimal Places 34
- Display Primary Value Offset 35
- Scrolling Message Control 35
- Snap Acting Control 35
- Primary Value 35
- Primary Value Percent 36
- DI1 Trip Point Settings 36
- DI2 Trip Point Settings 36
- Write Alarm 37
- Block Alarm 37
- Write Lock 37
- Confirm Time 38
- Communication Timeout 38
- Function Block Available 38
- Transducer Block 39
- Features Selected 39
- Alert Key 39
- Maximum Alerts Allowed 39
- Alert Setup 40
- PlantWeb Alerts 41
- Electronics 41
- Operational 41
- Rate Limit 41
- Calibration in Use 43
- Calibrate Instrument 44
- Full Calibration 45
- Trim Current Calibration 46
- Alert Conditions 47
- Variables 48
- Run Time Extremes 49
- Simulate 50
- Calibration Setup/Logs 51
- Instrument Display Test 52
- Restart Device 52
- Tools Required 53
- LCD Meter Assembly 55
- Removing the LCD Meter 56
- Replacing the LCD Meter 56
- Electronics Module 57
- Terminal Box 58
- Assembly 59
- Lever Assembly 60
- Packing for Shipment 61
- Instrument Troubleshooting 62
- Section 8 Parts8‐8‐ 65
- Parts Kits 66
- Parts List 66
- Transducer Assembly 68
- (figure 8‐2) 68
- Terminal Box Assembly 69
- (figure 8‐3) 69
- Terminal Box Cover Assembly 69
- (figure 8‐4) 69
- 28B5741‐B 70
- 29B8444‐A 71
- 29B8445 B 71
- Yamatake NQP Sensor 72
- Foxboro‐Eckardt Sensors 72
- 249 SENSOR (SIDE VIEW) 73
- FIELDBUS‐FBUS_31A 75
- FIELDBUS‐FBUS_03A 77
- Signal Conversion 78
- Advanced Features 79
- AI Block Parameter List 81
- TRANSDUCER_STATUS 9.3 RO 0 82
- UNACKNOWLEDGED 22.2 RO ALL 83
- PID Function Block 87
- Filtering 90
- Feedforward Calculation 91
- Output Tracking 91
- Set Point Tracking 91
- Reverse and Direct Action 92
- PID Block Parameter List 94
- 3=Active reported 97
- 4=Active not reported 97
- Unacknowledged 100
- T_AUTO_HYSTERESIS 101
- View Lists 102
- Status Handling 107
- I/O Selection 107
- Block Initialization 107
- Field Value Processing 108
- Alarm Detection 108
- Block Errors 109
- Action on Failure 109
- Simulation 109
- Mode Handling 116
- Shed With Return Options 117
- Shed With No Return Options 117
- Setting the Output 118
- Action On Fault Detection 119
- I/O Options 120
- Application Information 121
- CAP_STDDEV 125
- Limit Propagation 130
- Substatus Propagation 130
- STATUS_OPTS Supported 130
- SELECT_TYPE Must 132
- Input Selection 133
- Supported Modes 143
- Block Execution 144
- Advanced Topics 146
- Troubleshooting 148
- Resource Block 152
- AUTO 0 to 65535 0 159
- AUTO 1 to 255 1 159
- AUTO 3:AUTO 159
- AUTO 0 to 15 2 168
- Transducer Block (LCD) 174
- Function Block Overview 181
- Resource Blocks 182
- Transducer Blocks 182
- Block Modes 183
- Explanation of Modes 184
- Device Descriptions 185
- Status Propagation 186
- Network Communication 187
- Scheduled Transfers 188
- Unscheduled Transfers 189
- Network Management 190
- Glossary 191
- D103434X012 192
- November 2014 192
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