National-instruments FP-3000 Manual de usuario Pagina 80
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Appendix B Fieldbus Parameters
FieldPoint FP-3000 User Manual B-2 www.ni.com
BIAS (Tuning)
The bias value, in engineering units, used to calculate the function block
output.
BKCAL_HYS (Limiting)
The amount a block’s output value must move off a limit, in percent of
scale, for the limit status to be turned off.
BKCAL_IN (Limiting, Process)
Will be linked to a downstream block’s
BKCAL_OUT
or
SELECT_OUT
parameter. This is used to initialize a control loop through cascade
initialization. Cascade initialization allows smooth transfer for a control
block from manual to automatic mode. To bypass cascade initialization,
this parameter can be left unwired and manually set to a status of
Good,
non-cascade
.
BKCAL_OUT (Process)
A back-calculation value published to the
BKCAL_IN
of an upstream block
in a control loop. The
BKCAL_OUT
parameter has the value of the block’s
current output. Before a cascade loop is initialized, the upstream block can
use this value to smoothly transfer to loop control.
BKCAL_OUT_D (Process)
An output value published to an upstream discrete block. The upstream
block can use this value to smoothly transfer to loop control.
BLOCK_ALM (Alarming, Diagnostic)
An alarm parameter used to report error conditions detected within the
block, such as block Out of Service.
BLOCK_ERR (Diagnostic)
A list of error conditions for hardware and software components associated
with the block.
- FP-3000 Network Module 1
- User Manual 1
- Important Information 3
- Conventions 4
- Chapter 3 6
- Chapter 4 7
- Appendix A 8
- Appendix B 8
- Contents 10
- Appendix C 11
- Appendix G 13
- Technical Support Resources 13
- Glossary 13
- Overview 14
- Function Blocks 15
- PID Control 16
- Interoperability 17
- Scheduling Functionality 17
- HotPnP (Hot Plug and Play) 17
- OUNDATION 18
- Import Device Descriptions 19
- MountingtheFP-3000onaDINRail 21
- Figure 2-3 23
- Connecting Terminal Bases 23
- Removing I/O Modules 26
- Connect Power to the FP-3000 28
- Supplying Power for Outputs 29
- Isolation 29
- Power Connections 30
- LED Indicators 31
- FF-H1 PORT 32
- STATUS NETWORK 32
- Table 2-1 33
- Autoconfigure the FP-3000 34
- Updating the FP-3000 Firmware 35
- Example Applications 36
- Fieldbus Using FP-3000 37
- Create an FP-AI-110 Block 38
- Assign a Tag to the New Block 38
- Select the Module and Channel 38
- Set the Input Range 39
- Scale the Reading 39
- Set Up Scheduling 40
- Bring the Block Online 41
- Getting Started 42
- Taking Temperature Readings 43
- Create an FP-TC-120 Block 43
- Controlling a Heating Element 46
- Create an FP-AO-200 Block 46
- Set the Output Range 46
- Scale the Output 47
- Create a PID Block 48
- Scale the PID 49
- Tune the PID 51
- Set Alarms 52
- Block Reference 53
- Transducer Blocks 54
- Types of Function Blocks 55
- DO (Discrete Output) 56
- CDO (Complex Discrete Output) 56
- Data Types Supported 57
- Status Calculation Rules 58
- Syntax Rules 58
- Program Constructs 59
- Constants 60
- Operators 61
- Flow Control 62
- Delimiters 62
- Functions 62
- Table 4-5. Function Operators 63
- Uint32 is_bad(vs_float F) OR 63
- Uint32 is_bad(vs_discrete D) 63
- Chapter 4 Block Reference 64
- Table 4-6 67
- FieldPoint Modules 67
- PID Loop Execution Time 69
- Alarming 70
- Alarm Parameters 71
- UNACKNOWLEDGED 71
- ALARM_STATE/UPDATE_STATE 71
- TIME_STAMP 72
- Status Handling 73
- Substatus 74
- TARGET Mode 74
- ACTUAL Mode 75
- PERMITTED Mode 75
- NORMAL Mode 75
- Configuring the FP-3000 77
- Write Lock 78
- Fieldbus Parameters 79
- Table B-1 81
- Error Codes 81
- BYPASS (Scaling, Tuning) 82
- CAS_IN (Process) 82
- CAS_IN_D (Process) 82
- CHANNEL (I/O, Process) 82
- CONFIRM_TIME (Alarming) 83
- SET_FSTATE 85
- CLR_FSTATE 85
- FEATURES 85
- FEATURE_SEL 85
- FF_GAIN (Scaling, Tuning) 86
- FF_SCALE (Scaling) 86
- HI_PRI (Alarming) 89
- IN (Process, Scaling, Tuning) 89
- L_TYPE (Scaling) 90
- MAX_NOTIFY (Alarming) 92
- MEMORY_SIZE (Diagnostic) 92
- NV_CYCLE_T (Diagnostic) 93
- UNIT_INDEX 94
- OUT_SCALE 95
- SHED_RCAS 95
- ROUT_OUT (Process) 97
- SEL_TYPE (Scaling) 97
- SHED_RCAS (Mode Shedding) 98
- SHED_ROUT (Mode Shedding) 98
- SIMULATE (Option) 98
- WRITE_PRI (Alarming, Option) 102
- XD_SCALE (Scaling) 102
- XD_STATE (Process) 102
- FP-3000 Specific Parameters 103
- CFG_OPTS 104
- CHECKBACK 104
- BLOCK_ALMS_ACT 104
- BLOCK_RESET 104
- CLEAR_LOG 105
- D_IN_0–D_IN_3 105
- D_OUT_0–D_OUT_7 105
- Module in Configuration 109
- Module Okay 109
- Incorrect Module for Block 109
- HI_OUT_D 110
- INIT_STATUS 110
- LAST_BLOCK_EVENT 110
- LAST_RUN_ERROR 111
- LO_LO_OUT_D 111
- LO_OUT_D 111
- LTYPE_DOMAIN_INDEX 111
- NVM_LIFE 111
- VERSION_INFORMATION 113
- Advanced Function 114
- Block Behavior 114
- Upstream 115
- Downstream 115
- Remote Cascades 116
- Fault State and Mode Shedding 117
- Specifications 118
- Troubleshooting 119
- Appendix F Troubleshooting 120
- I/O Module Problems 121
- Common Questions 125
- TRK_IN_D.VALUE 126
- TRK_VAL.VALUE 126
- EXECUTION_TIME 126
- Hexadecimal 126
- Worldwide Support 132
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