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YOKOGAWA ADMAG TI Series User Manual

YOKOGAWA ADMAG TI Series
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<Appendix 5. PID Block>
285
IM 01E21A02-03EN
A5.9 Block Modes
TheblockmodeisdenedwiththeparameterMODE_BLK.
MODE_
BLK
Target Denesthetargetmode.
Actual
Indicates the current block mode.
Changes depending on the status of input data and target
contents.
Permitted
Denesconstraintsofthetargetmode.
Ifconstraintsarenotdenedhere,itbecomesimpossibleto
transition to the mode.
Normal Denesthenormalmode.
There are eight modes for the PID block as shown below.
Block
Mode
Description
ROut Remote output mode. The mode outputs the value given by ROUT_IN.
RCas
Bytheremotecascadeconnection,thesetpoint(SP)isreceivedfromthe
host computer, etc., and results of the PID control calculation processing are
output.
Cas
Bythecascadeconnection,thesetpoint(SP)isreceivedfromotherfunction
block, and results of the PID control calculation processing are output.
Auto
The PID block carries out automatic control and outputs the result calculated
by the PID control computation.
Man
The block goes into manual mode, and outputs OUT, the value set by the user
manually.
LO ThePIDblockoutputstheoperationoutputvaluesetinTRK_VAL.
IMan
Initialization and manual mode. This mode temporarily interrupts the control
operation. The mode which operates when the initialization and manual
fallback conditions shown in Section A5.14 are met.
O/S
Control calculation processing is carried out. The output of the previous value
is kept.
A5.9.1 Mode Transitions
Destination Condition Other Condition
(1) O/S
IfO/SisspeciedinMODE_BLK.target
(orifO/Sissetintargetinsidetheresourceblock)
(2) IMan
If the Initialization and manual fallback conditions are met
(SectionA5.14)
NOTifcondition(1)ismet
(3) LO
IfTrackEnableisspeciedinCONTROL_OPTSandthe
valueofTRK_IN_Distrue
NOT if either or both of
conditions(1)and(2)aremet
(4) Man
IfMANisspeciedinMODE_BLK.targetorifIN.status
(inputstatus)isBAD
NOT if any one or more of
conditions(1)to(3)aremet
(5) Auto
IfAutoisspeciedinMODE_BLK.target
- AND -
ifIN.status(inputstatus)isotherthanBAD
NOT if any one or more of
conditions(1)to(3)aremet
(6) Cas
IfCasisspeciedinMODE_BLK.target
- AND -
ifIN.Status(inputstatus)andCAS_IN.Statusareother
than BAD
NOT if any one or more of
conditions(1)to(3)aremet
(7) RCas
IfRCasisspeciedinMODE_BLK.target
- AND -
ifIN.Status(inputstatus)andRCAS_IN.Statusareother
than BAD
NOT if any one or more of
conditions(1)to(3)aremet
(8) ROut
IfROutisspeciedinMODE_BLK.target
- AND -
ifROUT_IN.status(inputstatus)isotherthanBAD
NOT if any one or more of
conditions(1)to(3)aremet
Note 1: To activate mode transitions to Auto, Cas, RCas, and ROut, the respective target modes
mustbepermittedbeforehandwithMODE_BLK.permitted.

Table of Contents

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YOKOGAWA ADMAG TI Series Specifications

General IconGeneral
BrandYOKOGAWA
ModelADMAG TI Series
CategoryMeasuring Instruments
LanguageEnglish

Summary

1. Introduction

1.1 For Safe Use of Product

Provides essential guidelines for safe operation and handling of the product, including warnings and cautions.

1.2 Warranty

Details the warranty coverage, terms, and conditions, including exclusions and purchaser responsibilities.

2. About Fieldbus

2.1 Overview

Explains Fieldbus as a communication protocol for field devices and its role in process control systems.

2.2 Internal Structure

Describes the internal structure of the product, including System/network Management VFD and Function Block VFD.

2.3 Logical Structure of Each Block

Illustrates the logical structure of various blocks within the Fieldbus system and their interconnections.

3. Getting Started

3.1 Connection of Devices

Details the necessary devices for Fieldbus operation, including power supply, terminator, field device, host, and cable.

3.2 Host Setting

Explains the required settings for the host to activate Fieldbus communication.

3.3 Bus Power ON

Provides instructions for powering on the system components and verifying operation on the bus.

3.4 Integration of DD

Describes the process of integrating Device Description (DD) files with the host system.

3.5 Reading the Parameters

Explains how to read parameters from the product via the host screen.

3.6 Continuous Record of Values

Guides on using the host function to continuously record indications (values).

3.7 Generation of Alarm

Details the generation of block, out-of-range, and update alarms from the product.

4. Configuration

4.1 Network Design

Covers determining devices for Fieldbus, power supply capacity, and network design considerations.

4.2 Network Definition

Explains how to define the Fieldbus network, allocate PD tags and node addresses for all devices.

4.3 Definition of Combining Function Blocks

Details how function blocks are combined and the execution schedule for synchronous operation.

4.4 Setting Tag and Address

Describes the procedures to set PD Tag and node address for Fieldbus devices.

4.5 Communication Setting

Covers setting the communication function, including VCR settings and function block execution control.

4.6 VFD Parameter Configuration

Explains how to set parameters for function block VFD, including link objects and alert objects.

5. Functions

5.1 Basic settings

Covers measurement of process values like flow velocity, mass flow, calorie, and setting parameters.

5.2 Totalization Function

Details the totalizer functions, including value and unit settings, display, and conversion factors.

5.3 Limit Switch Function

Explains the limit switch function for transmitting 0 or 1 based on process value and threshold comparison.

5.4 Inputting External Temperature

Describes how to input external temperature for density correction and calorie calculations.

5.5 Auxiliary Calculation Function

Covers functions like fluid flow direction, rate limit, pulsing flow, power frequency sync, density, and calorie calculation.

5.6 Alarm

Details alarm display, error codes, countermeasures, and alarm record/mask functions.

5.7 Display

Covers display settings such as language, item display, decimal points, line count, scroll, and contrast.

5.8 Device Information

Provides information on device details like order information, device revision, and memo function.

5.9 Self-check Function

Explains self-check functions for diagnosing failures, including electrode adhesion, sensor empty, and wiring diagnostics.

5.10 Test Mode

Details test mode settings for arbitrarily setting flow velocity or output values for testing.

5.11 Event Management Function

Covers parameter backup, restore, duplication, and data logging functions using the microSD card.

5.12 Write Lock Function

Explains how to enable write lock using hardware switch or software settings to prevent data modification.

5.13 Simulation Function

Describes the simulation function to test function blocks and alarm processing by simulating input data.

5.14 Pulse Output, Frequency Output, and Status Output

Details output functions for terminals, including pulse width, rate scaling, and status output.

6. Parameter Lists

6.1 Resource Block

Lists parameters for the resource block, including Block Header, ST_REV, TAG_DESC, and MODE_BLK.

6.2 Sensor Transducer Block

Details parameters for the sensor transducer block, covering calibration, types, and values.

6.3 Diagnosis Transducer Block

Lists parameters for the diagnosis transducer block, covering adhesion, flow noise, conductivity, and insulation.

6.4 Display Transducer Block

Provides parameters for the display transducer block, including line selections, contrast, and format settings.

6.5 Maintenance Transducer Block

Details parameters for the maintenance transducer block, including device information and software download settings.

6.6 AI Function Block

Lists parameters for the AI function block, covering MODE_BLK, PV, OUT, XD_SCALE, and OUT_SCALE.

6.7 DI Function Block

Details parameters for the DI function block, including PV_D, OUT_D, SIMULATE_D, and status options.

6.8 MAO Function Block (only AXG)

Lists parameters for the MAO function block, including channel selection and fault state transmission.

6.9 Unit and Code

Provides a reference table for unit codes used in the system.

7. Parameter Menu Tree

7.1 Display Menu Tree

Provides an overview of the display menu structure and operation levels.

Appendix 1. Application, Setting and Change of Basic Parameters

A1.1 Applications and Selection of Basic Parameters

Explains the applications and selection of basic parameters for AI and DI function blocks.

A1.2 Setting and Change of Basic Parameters

Describes procedures for setting and changing parameters for each block, including block modes.

A1.3 Setting the AI Function Block

Details how to set the flow range, output scale, and simulation for the AI function block.

A1.4 Setting the Integrator (IT) Function Block

Explains setting the unit of flow rate totalization and forward/reverse direction for the IT block.

A1.5 Setting the DI Function Block

Covers setting the channel, damping time constant, and simulation for the DI function block.

Appendix 2. Integrator (IT) Block

A2.1 Schematic Function Diagram of Integrator Block

Provides the functional block diagram of the Integrator (IT) block.

A2.2 Input Process Section

Details the input process section, including determining input value statuses and converting rate/accum.

A2.3 Adder

Explains the adder function, including status of value after addition and addition options.

A2.4 Integrator

Describes the integrator function, including integration methods and types of integrated values.

A2.5 Output Process

Details the output process, including status determination and output value determination.

A2.6 Reset Processing

Explains reset processing, including reset triggers, reset timing, and reset process.

A2.7 List of Integrator Block Parameters

Provides a list of parameters for the Integrator block.

Appendix 3. Arithmetic (AR) Block

A3.1 Functional Block Diagram

Shows the functional block diagram of the Arithmetic (AR) block.

A3.2 Input Section

Details the input section, including main inputs, auxiliary inputs, and input options.

A3.3 Computation Section

Explains computing equations, compensated values, and average calculation for the AR block.

A3.4 Output Section

Describes the output section, including mode handling and status handling.

A3.5 List of the Arithmetic Block Parameters

Provides a list of parameters for the Arithmetic block.

Appendix 4. Link Master Functions

A4.1 Link Active Scheduler (LAS)

Explains the Link Active Scheduler (LAS) and its functions on the Fieldbus network.

A4.2 Link Master (LM)

Describes Link Master (LM) devices and their role in the network, including LM device and Basic Device.

A4.3 Transition of LM Function

Details the procedures for an LM device to become the LAS, including backup and failure scenarios.

A4.4 LM Functions

Lists and describes the functions of the Link Master (LM), such as initialization and CD transmission.

A4.5 LM Parameters

Provides a list of LM parameters, including basic characteristics and link settings.

A4.5.2 Descriptions for LM Parameters

Offers detailed descriptions for LM parameters like DlmeLinkMasterCapabilitiesVariable and DlmeLinkMasterInfoRecord.

Appendix 5. PID Block

A5.1 Functional Block Diagram

Presents the functional block diagram of the PID block, illustrating its components and flow.

A5.2 Functions of PID Block

Details the various functions of the PID block, including control calculation and mode changes.

A5.3 Parameter List of PID Block

Provides a comprehensive list of parameters for the PID block, including default values and write modes.

A5.4 PID Computation Details

Explains PID computation methods, including Proportional Derivative Leading Type and algorithm parameters.

A5.5 Control Output Action

Describes the control output action, focusing on the velocity type and its calculation.

A5.6 Direction of Control Action

Explains how to switch the output direction based on deviation changes, specified by CONTROL_OPTS.

A5.7 Control Action Bypass

Details the control action bypass function, allowing SP value to be set as operation output.

A5.8 Feed-forward

Explains the feed-forward control action, which adds compensation to the PID output signal.

A5.9 Block Modes

Defines the block modes and describes the eight available modes and their transitions.

A5.10 Bumpless Switching

Describes bumpless switching for MODE_BLK and operation values without sudden control output changes.

A5.11 Setpoint Limiter

Explains the setpoint limiter function to limit SP settings based on block mode.

A5.12 External-output Tracking (LO)

Details external tracking action, outputting set value of operation output when block mode is LO.

A5.13 Measured-value Tracking

Describes measured-value tracking to equalize setpoint to measured value in Man mode.

A5.14 Initialization and Manual Fallback (IMan)

Explains the abnormality processing function that suspends control action by changing block mode to IMan.

A5.15 Manual Fallback

Describes manual fallback function, changing mode to Man and suspending control action when input status is BAD.

A5.16 AUTO Fallback

Details AUTO fallback mode, changing from Cas to Auto and continuing automatic PID control.

A5.17 Mode Shedding upon Computer Failure

Explains mode shedding functions when data status of RCAS_IN or ROUT_IN falls to BAD.

A5.18 Alarm Processing of Block

Covers block alarm processing, including block alarms and process alarms.

A5.19 Example of Block Connections

Provides an example of connecting AI, PID, and AO blocks for a simple PID control loop.

Appendix 6. Software Download Function

A6.1 Benefits of Software Download Function

Highlights the advantages of the software download function for updating field devices.

A6.2 Specifications of Software Download Function

Outlines the specifications of the software download function, including power consumption and class.

A6.3 Preparations for Software Downloading

Lists the necessary preparations for software downloading, including tools and files.

A6.4 Software Download Sequence

Provides a flowchart of the software download procedures, from starting the tool to activating the device.

A6.5 Download Files

Explains the naming conventions for download files and the difference between ORIGINAL and UPDATE files.

A6.6 Steps after Activating a Field Device

Details the steps to perform after activating a field device, including checking software revision and reconfiguring parameters.

A6.7 Troubleshooting

Provides solutions for common problems encountered during or after software update.

A6.9 System/Network Management VFD Parameter related to Software Download

Lists VFD parameters related to software download, such as DWNLD_PROPERTY and DOMAIN_DESCRIPTOR.

A6.10 Comments on System/Network Management VFD Parameters Relating to Software Download

Provides comments and explanations for System/Network Management VFD parameters related to software download.

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