Emerson DLC3020f Instruction Manual download pdf (Page 74)

Instruction Manual

D103434X012

Principle of Operation

November 2014

Figure A‐2. DLC3020f Digital Level Controller Assembly

LCD METER ASSEMBLY

ELECTRONICS ASSEMBLY

LEVER ASSEMBLY

TERMINAL BOX

COVER

HOUSING

COVER

ADAPTER RING

(MOUNTS TO SENSOR)

SENSOR MODULE

MAGNET ARRAY

TORQUE TUBE CONNECTOR

1 2 ... 69 70 71 72 73 74 75 76 77 78 79 ... 199 200

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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Emerson DLC3020f Instruction Manual Page 74

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