Emerson DLC3020f Manuel d'instructions Page 101
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Instruction Manual
D103434X012
Blocks
November 2014
99
Table B‐12. PID Function Block System Parameters Definitions (Continued)
DescriptionInitial ValueRange
Block
Mode
RO /
RW
Index
Number
Label
PARAMETER_NAME
IDeadBand
IDEADBAND
74 OOS Positive 0
Data Type: Float
Integral action stops when ERROR is within
IDEADBAND, proportional and derivative action
continue. EU of PV_SCALE
StdDev
STDDEV
75 RO NA Dynamic
Data Type: Float
Standard deviation of PV.
Cap StdDev
CAP_STDDEV
76 RO NA Dynamic
Data Type: Float
Standard deviation of PV changes.
T Request
T_REQUEST
77 RO ALL
0=Request Tuning
1=Force Tuning
2=Reset Tuner
0
Data Type: Bit String
Operator request to initiate/control autotuning.
T State
T_STATE
78 RO NONE 0
Data Type: Unsigned8
Current autotuner state.
T Status
T_STATUS
79 RO NA
0=Scan Rate Too Low
Warning
1=Insufficient Process
Response (obsolete)
2=Scan Rate Too High
Warning
3=Inverse Direct Acting
Error
4=PV Deviation Too Large
5=Initial PV Deviation Too
Large
6=PV Limited or Constant
7=PV Bad
8=Invalid Mode for Tuning
9=BKCAL_IN Non Good or
Limited
10=Out Limited
11=Bypass Active
12=Mode Changed
13=Tracking Active
14=Disconnected
15=SP Changed
0
Data Type: Bit String
Autotuner status.
T Ipgain
T_IPGAIN
80 RO NA 0.0
Data Type: Float
Integrated process gain.
T Ugain
T_UGAIN
81 RO NA 0.0
Data Type: Float
Ultimate gain.
T Uperiod
T_UPERIOD
82 RO NA 0.0
Data Type: Float
Ultimate period.
T Psgain
T_PSGAIN
83 RO NA 0.0
Data Type: Float
Process static gain.
T Ptimec
T_PTIMEC
84 RO NA 0.0
Data Type: Float
Process time constant.
T Pdtime
T_PDTIME
85 RO NA 0.0
Data Type: Float
Process dead time.
T Targetop
T_TARGETOP
86 ALL 2
Data Type: Unsigned8
Target oscillation periods.
T Hyster
T_HYSTER
87 ALL > = 0.0 0.0
Data Type: Float
Hysteresis
T Relayss
T_RELAYSS
88 ALL > = 0.0 3.0
Data Type: Float
Relay step size.
T Gain Magnifier
T_GAIN_MAGNIFIER
89 ALL > 0.1, < 100 1.0
Data Type: Float
Scales amount of gain.
T Auto Extra DT
T_AUTO_EXTRA_DT
90 ALL 0
Data Type: Unsigned8
Allow additional cycle with extra deadtime.
T Auto Hysteresis
T_AUTO_HYSTERESIS
91 ALL 0
Data Type: Unsigned8
Allows calculation of hysteresis based on
CAP_STDDEV
T Aoperiods
T_AOPERIODS
92 RO NA 0
Data Type: Unsigned8
Actual oscillation periods.
- 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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