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1. _ Data_ST _ Boiler_ ST _ Boiler_ST H Boiler_CFG Boiler_CFG E100000001981 05 2014 57 Boiler DFB Inputs Input Parameter Description Parameter Type Description EnableDFB BOOL Enables the DFB OutputPres REAL The pressure of the superheated steam output OutputTemp REAL The temperature of the superheated steam output MassFlowRateS REAL The mass flow rate of the output superheated steam is required to calculate the output energy of this steam generated Fail BOOL Any detected failure that is linked to this block This input will come from a CONDSUM block 58 E100000001981 05 2014 Boiler DFB Outputs Output Parameter Description Parameter Type Description InstEgy REAL Instantaneous energy rate in kW In order to be in line with the ODVA standards the instantaneous energy value should not exceed 32767 kW ThermalOutput ARRAY 0 4 OF INT Instantaneous energy in local units TotalEgy ARRAY 0 4 OF INT Total energy consumed in Wh LastEgySample ARRAY 0 4 OF INT Energy consumed in the last sample time in Wh Health BOOL Indicates the health of the block e Health 0 Energy of the block not aggregated Health 1 Energy of the block is aggregated E100000001981 05 2014 59 Boiler DFB Inputs Outputs Input Ou
2. EGATOR DFB 18 E100000001981 05 2014 Aggregator DFB Outputs Output Parameter Description Parameter Type Description Agg_InstEgyRate REAL The totalized instantaneous energy value in kW Agg_LastEgySample ARRAY 0 4 OF INT The last energy sample value in Wh Agg_TotalEgyP ARRAY 0 4 OF INT The totalized energy value produced in Wh Agg_TotalEgyC ARRAY 0 4 OF INT The totalized energy value consumed in Wh Agg_TotalEgyNet ARRAY 0 4 OF INT The net totalized energy value in Wh Agg_TotalThermalNet ARRAY 0 4 OF INT The net totalized energy value in local units E100000001981 05 2014 19 Aggregator DFB Inputs Outputs Input Output Parameter Description Parameter Type Description DataObj ST DATA_ST_DDT This DDT pin is connected to the slave objects for see page 20 aggregating its energy at the first level DataAgg ST DATA_ST_DDT This DDT pin is connected to the higher level see page 20 Aggregator blocks for aggregation at higher levels Agg_ST AGG_ST_DDT This is used for communication with the Vijeo Citect see page 21 components Agg_CFG AGG_CFG_DDT This is the additional information for communication see page 21 with the Vijeo Citect components DATA ST DDT This structure contains the energy to be transferred for aggregation Pa
3. Parameter Type Description Data_ST DATA_ST_DDT This DDT pin is connected between the DFB and see page 110 the Aggregator block for aggregation of energy values Solid ST STATUS_ST_DDT This is the primary variable used for communication see page 110 with the Vijeo Citect components Solid_CFG SOLID_CFG_DDT This is the secondary variable used for see page 111 communication with the Vijeo Citect components DATA_ST_DDT This structure contains the data to be aggregated from the Solid block Refer to DATA_ST_DDT see page 20 STATUS_ST_DDT This structure contains the block control and status data Parameter Type Description InstEgy REAL Instantaneous energy TotalEgyDint DINT Total energy in Wh This is used for trend tags ThermalOutputDint DINT Total energy value in local units for trend tags LastEgySampleDint DINT Last energy values for the set sample time This information is used for trend tags STW WORD Status word CFGW WORD Configuration word 110 EI00000001981 05 2014 Solid DFB SOLID_CFG_DDT This structure contains additional status data Parameter Type Description CalorificValue REAL Calorific value of solid fuel MFR REAL Massflow rate SampleEgy ARRAY 0 4 OF INT Sample energy TotalEgy ARRAY 0 4 OF INT Total energy ThermOP ARRAY 0 4 OF INT Instantaneous thermal ene
4. 4 OF INT Sample energy TotalEgy Array 0 4 OF INT Total energy ThermOP ARRAY 0 4 OF INT Instantaneous thermal energy ThermUnit BYTE The unit of the thermal energy derived in e 0 kcal e 1 BTU e 2 Therms Reserved BYTE Reserved STW Status Word Bit Structure of STW Status Word Bit Description 0 Detected failure e 0 No detected failure e 1 Detected failure 1 Energy type e 0 Producer e 1 Consumer 2 15 Reserved CFGW Configuration Word Bit Structure of CFGW Configuration Word Bit Description 0 Reset energy Detected by level 1 15 Reserved E100000001981 05 2014 61 Boiler DFB Public Variables Public Variable Description Variable Type Description EnthalpyS REAL Enthalpy of steam in kcal kg EnthalpyW REAL Enthalpy of water in kcal kg ScanRate TIME Specify the time interval desired to perform energy aggregation SampleT TIME This public variable is the interval at which the totalized energy is updated Reset UINT Reset ResetEnable BOOL 1 Reset is enabled EType BOOL Energy type of the object e 0 Producer e 1 Consumer TempUnit BYTE Unit of temperature measured in e 0 Kelvin e 1 Celsius e 2 Fahrenheit PressureUnit BYTE Unit of pressure measured in e 0 bar e 1 Atm e 2 kPa e 3 kg cm MassFlowUnit BYTE Unit of mass flow rate measured in e 0 kg hr e 1 gm hr
5. SEQ_SC_DDT Provides the frequently needed data to monitor see page 32 80 E100000001981 05 2014 Chapter 9 Co2 DFB Overview This chapter describes the Co2 DFB The function block does not reflect any specific installation A WARNING MISAPPLICATION OF FUNCTION BLOCKS Before adopting these function blocks for use in a specific application you must Conduct a safety analysis for the application and equipment installed Verify that the selected function blocks are appropriate for the equipment or function in the installation Supply appropriate parameters particularly for limits Check that all sensors and actuators are compatible with the selected function blocks Verify that all functions of the selected function blocks work properly during verification and commissioning Provide independent paths for critical control functions emergency stop over limit conditions etc according to the safety analysis and applicable codes and regulations Failure to follow these instructions can result in death serious injury or equipment damage What Is in This Chapter This chapter contains the following topics Topic Page Overview 82 DFB Representation 83 Inputs 84 Outputs 85 Inputs Outputs 86 Public Variables 87 ElO0000001981 05 2014 81 Co2 DFB Overview Description Carbon dioxide equivalency is a quantity that describes for a given mixture and
6. WORD Configuration word GAS_CFG_DDT This structure contains the additional status data Parameter Type Description Temperature REAL Temperature of the gas input Density REAL Density of the gas input CalorificValue REAL Calorific value entered by the user Pressure REAL Pressure of the gas input MFR REAL Mass flow rate VER REAL Volumetric flow rate E100000001981 05 2014 29 Gas Energy DFB Parameter Type Description ThermOP ARRAY 0 4 OF INT Instantaneous thermal energy SampleEgy ARRAY 0 4 OF INT Sample energy TotalEgy ARRAY 0 4 OF INT Total energy ThermalUnit BYTE The unit of the thermal energy derived in e 0 kcal e 1 BTU e 2 Therms Reserved BYTE Reserved STW Status Word Bit Structure of STW Status Word Bit Description 0 Detected failure e 0 No detected failure e 1 Detected failure 1 Energy type e 0 Producer e 1 Consumer 2 15 Reserved CFGW Configuration Word Bit Structure of CFGW Configuration Word Bit Description 0 Reset energy Detected by level 1 15 Reserved 30 E100000001981 05 2014 Gas Energy DFB Public Variables Public Variable Description Variable Type Description CalorificValue REAL Specify the calorific value of the fuel in kcal kg TempNorm REAL Normal temperature Default value is 298 K PressureNorm REAL Normal pressure Default valu
7. alarm AD BOOL Deviation alarm AL BOOL Low level alarm ALL BOOL Low low level alarm Reserved INT Reserved 32 E100000001981 05 2014 Chapter 4 Voltage Current and Power Electrical DFB Overview This chapter describes the Electric DFB The function block does not reflect any specific installation A WARNING installation commissioning damage MISAPPLICATION OF FUNCTION BLOCKS Before adopting these function blocks for use in a specific application you must e Conduct a safety analysis for the application and equipment installed e Verify that the selected function blocks are appropriate for the equipment or function in the e Supply appropriate parameters particularly for limits e Check that all sensors and actuators are compatible with the selected function blocks e Verify that all functions of the selected function blocks work properly during verification and e Provide independent paths for critical control functions emergency stop over limit conditions etc according to the safety analysis and applicable codes and regulations Failure to follow these instructions can result in death serious injury or equipment What Is in This Chapter This chapter contains the following topics Topic Page Overview 34 DFB Representation 35 Inputs 36 Outputs 37 Inputs Outputs 38 Public Variables 40 Technical Implementation Methodology 42 ElO000
8. other hazardous areas and serious injury can occur Software products alone cannot protect an operator from injury For this reason the software cannot be substituted for or take the place of point of operation protection 8 E100000001981 05 2014 Ensure that appropriate safeties and mechanical electrical interlocks related to point of operation protection have been installed and are operational before placing the equipment into service All interlocks and safeties related to point of operation protection must be coordinated with the related automation equipment and software programming NOTE Coordination of safeties and mechanical electrical interlocks for point of operation protection is outside the scope of the Function Block Library System User Guide or other implementation referenced in this documentation START UP AND TEST Before using electrical control and automation equipment for regular operation after installation the system should be given a start up test by qualified personnel to verify correct operation of the equipment It is important that arrangements for such a check be made and that enough time is allowed to perform complete and satisfactory testing 4 CAUTION EQUIPMENT OPERATION HAZARD e Verify that all installation and set up procedures have been completed e Before operational tests are performed remove all blocks or other temporary holding means used for shipment from all component devices e Re
9. the voltage measured in e 0 V eo 1 mV e 2 kv IUnit BYTE Unit of the current measured in e 0 A e 1 mA eo 2 A PUnit BYTE Unit of the power measured in e 0 kW e 1 W EUnit BYTE Unit of the Energy measured in 0 kWh 1 Ws J 1 Wh 1 kJ 1 MJ 1 GJ SC SEQ_SC_DDT see page 41 Provides the frequently needed data to monitor 40 EI00000001981 05 2014 Voltage Current and Power Electrical DFB SEQ_SC_DDT Provides the frequently needed data to monitor see page 32 ElO0000001981 05 2014 41 Voltage Current and Power Electrical DFB Technical Implementation Methodology Single Phase Current and Voltage Input To Energy GJ Energy kWh Voltage Current Sample Time Power Factor volts Amps 1sec 3600 kWh 3 Phase Current and Voltage Input to Energy GJ Energy kWh 8 Phase Voltage Line Current Power Factor Sample Time Volts Amps 1Sec 3600 kWh Phase Voltage V1 V2 V3 3 Line Current l4 Ip l3 3 Single Phase Power Input to Energy GJ Energy kWh Active Power Sample Time Watt 1Sec 3600 kWh 3 Phase Power input to Energy GJ Energy kWh Active Power Sample Time Watts 1Sec 3600 Single Phase Energy input to Energy GJ Energy kWh Watts Power Factor 3600 kWh 3 Phase Apparent Energy input to Energy GJ Energy kWh Watts Power Factor 3600 kWh 42 E100000001981 05 2014 Chap
10. them Failure to follow these instructions can result in death serious injury or equipment damage 12 E100000001981 05 2014 Chapter 1 Particular Requirements Providing Appropriate Input Values Scaling You have to verify that the inputs of the library blocks adhere to the exact scaling factor used in the devices from which they are measured Accuracy You have to verify that the inputs to the library blocks have high accuracy provide values with at least 2 decimal places E100000001981 05 2014 13 Particular Requirements 14 E100000001981 05 2014 Chapter 2 Aggregator DFB Overview This chapter describes the Aggregator DFB The function block does not reflect any specific installation A WARNING MISAPPLICATION OF FUNCTION BLOCKS Before adopting these function blocks for use in a specific application you must Conduct a safety analysis for the application and equipment installed Verify that the selected function blocks are appropriate for the equipment or function in the installation Supply appropriate parameters particularly for limits Check that all sensors and actuators are compatible with the selected function blocks Verify that all functions of the selected function blocks work properly during verification and commissioning Provide independent paths for critical control functions emergency stop over limit conditions etc according to
11. use in a specific application you must Conduct a safety analysis for the application and equipment installed Verify that the selected function blocks are appropriate for the equipment or function in the installation Supply appropriate parameters particularly for limits Check that all sensors and actuators are compatible with the selected function blocks Verify that all functions of the selected function blocks work properly during verification and commissioning Provide independent paths for critical control functions emergency stop over limit conditions etc according to the safety analysis and applicable codes and regulations Failure to follow these instructions can result in death serious injury or equipment damage What Is in This Chapter This chapter contains the following topics Topic Page Overview 74 DFB Representation 75 Inputs 76 Outputs TI Inputs Outputs 78 Public Variables 80 E100000001981 05 2014 73 Liquid DFB Overview Description The functions of Liquid block are as follows The Liquid object is used to calculate the energy consumed produced by a liquid It takes input in the form of mass flow rate of liquid with a specific heat value and the physical properties to provide an output which can be used to determine the accumulation of energy in the form of consumption generation Specific heat is the constant entered by the user hence a look up ta
12. value is the total energy consumed kWh by the plant section area from the start of the controller execution You can reset this value and this does not affect the Aggregator Calculation 4 The instantaneous thermal output in local units Working Principle e The Gas DFB takes input in the form of mass or volume of gas with a specific calorific value and physical properties to provide an energy output e Volumetric flow measurement and Mass flow measurement are the two methods by which the gas quantity can be measured with the flow meters and the DFB is designed only to receive either of these measurement signals Therefore you need to configure either mass flow rate or volumetric flow rate As volumetric flow measurement is commonly used in industry it is considered as the default value The input from the field is connected to respective pins such as mass flow rate or volume flow rate Implementation e For input values such as mass and volume flow pressure and temperature are first scaled through an analog input block and then passed to the Gas block e The threshold of these values are in the analog input itself where these thresholds high high high low and low low are available These alert indications are shown in Supervision Control and Data Acquisition SCADA e You need to configure respective units of these input parameters for appropriate conversion in the public variables e You can make a table to refer the calorific v
13. which a certain substance for example milk is being fermented The reactor will have a weight transmitter for the final production of the milk product monitoring the production in kg tonne which will be connected to the ProcEne rg y block product value pin for recording the instantaneous value The gas electrical solid fuel energy object values are collected in one aggregation block the output of which will be connected to the ProcEnergy block Energy pin The ProcEnergy block gives the instantaneous ratio of energy production unit of the particular process This block is that it gives the user the capability to model a desired energy This curve consists of 3 straight lines The parameters of these lines are to be entered by the user The user also has to write external logic which is to be connected to the Trigger input This logic is to specify the termination of the shift After the block gets the Trigger input in the form of pulsed input the block will compare the true energy or total energy for that shift with the model curve It will then record the energy deviation between the curves The block will store 5 of these deviations in an array called Deviation output pin The user also has to specify the Threshold deviation from HMI If the total value of the last 5 deviations exceeds the threshold deviation then a notification is generated This will help the user to realize that there is an overconsumption of energy at that lev
14. 0 4 OF INT Total energy ThermalUnit BYTE The unit of the thermal energy derived in e 0 kcal e 1 BTU e 2 Therms Reserved INT Reserved STW Status Word Bit Structure of STW Status Word Bit Description 0 Detected failure e 0 No detected failure e 1 Detected failure 1 Energy type e 0 Producer e 1 Consumer 2 15 Reserved CFGW Configuration Word Bit Structure of CFGW Configuration Word Bit Description 0 Reset energy Detected by level 1 15 Reserved E100000001981 05 2014 79 Liquid DFB Public Variables Public Variable Description Variable Type Description SpecificHeat REAL Specific heat of the liquid in kcal kgK ScanRate TIME Specify the time interval desired to perform energy aggregation SampleT INT This public variable is the interval at which the totalized energy is updated Reset UINT 1 Reset the totalized energy value ResetEnable BOOL Reset 0 Disabled 1 Enabled Etype BOOL Energy type 0 Block is producer 1 Block is consumer ThermalOutputUnit BYTE Unit of thermal energy derived in 0 kcal 1 BTU 2 Therms TempUnit BYTE Unit of temperature measured in 0 Kelvin 1 Celsius 2 for degree Fahrenheit MassFlowUnit BYTE Unit of mass flow rate being measured in 0 kg hr 1 gm hr 2 tonne hr Reserved BYTE Reserved se SEQ_SC_DDT see page 80 Provides frequently needed data to monitor
15. 0001981 05 2014 33 Voltage Current and Power Electrical DFB Overview Information Provided by the Block The Electric block provides the following types of information 1 The instantaneous energy kW value in order to determine the energy rate of the Electrical object at any time 2 The energy produced consumed in the past sample time You can select the sample time For example if you input 15 minutes as sample time the block will calculate the energy produced consumed for this period and this value is checked and revised every minute The sample time is set from the public variable of the DFB at the start of program execution 3 The total energy value is the total energy consumed kWh by the plant section area from the start of the controller execution You can reset and this will not affect the Aggregator calculation 4 The instantaneous thermal output in local units Working Principle This block takes the electrical inputs from measuring devices pertaining to particular equipment Implementation e The input can be in the form of the voltage and current or the power energy and are provided to the block through an analog input block e The threshold of these values are in the analog input itself where these thresholds high high high low and low low are available These alert indications are shown in SCADA Single Phase or Three Phase Input A single DFB has the flexibility to receive inputs in the form of
16. 15 Reserved 102 EI00000001981 05 2014 Advanced Process Energy DFB Public Variables Public Variable Description Variable Type Description Reset UINT Resets the total energy deviation and deviation sum ResetEnable BOOL 1 reset is enabled Reserved BOOL Reserved sc PROCENERGYADV_SC_DDT Provides frequently needed data to monitor see page 103 PROCENERGYADV_SC_DDT Provides the frequently needed data to monitor Refer to PROCENERGY_SC_DDT see page 96 E100000001981 05 2014 103 Advanced Process Energy DFB 104 E100000001981 05 2014 Chapter 12 Solid DFB Overview This chapter describes the Solid DFB The function block does not reflect any specific installation A WARNING MISAPPLICATION OF FUNCTION BLOCKS Before adopting these function blocks for use in a specific application you must Conduct a safety analysis for the application and equipment installed Verify that the selected function blocks are appropriate for the equipment or function in the installation Supply appropriate parameters particularly for limits Check that all sensors and actuators are compatible with the selected function blocks Verify that all functions of the selected function blocks work properly during verification and commissioning Provide independent paths for critical control functions emergency stop over limit conditions etc according
17. A_ST_DDT This DDT pin is connected between the DFB and see page 78 the Aggregator block for aggregation of energy values Liquid ST STATUS_ST_DDT This is the primary variable used for communication see page 78 with Vijeo Citect components Liquid_CFG LIQUID_CFG_DDT This is the secondary variable used for see page 79 communication with Vijeo Citect components DATA_ST_DDT This structure contains the data to be aggregated from the Liquid block Refer to DATA_ST_DDT see page 20 STATUS_ST_DDT This structure contains the block control and status data Parameter Type Description InstEgy REAL Instantaneous energy TotalEgyDint DINT Total energy in Wh This is used for trend tags ThemalOutputDint DINT Total energy value in local units for trend tags LastEgySampleDint DINT Last energy values for the set sample time This information is used for trend tags STW WORD Status word CFGW WORD Configuration word 78 EI00000001981 05 2014 Liquid DFB LIQUID_CFG_DDT This structure contains additional status data Parameter Type Description TempIn REAL Input temperature of liquid TempOut REAL Output temperature of liquid SpecificHeat REAL Specific heat of liquid MFR REAL Massflow rate SampleEgy ARRAY 0 4 OF INT Sample energy ThermOP ARRAY 0 4 OF INT Instantaneous thermal energy TotalEgy ARRAY
18. CFGW Configuration Word Bit Description 0 Reset total volume Detected by level 1 15 Reserved E100000001981 05 2014 71 Air Compressor DFB Public Variables Public Variable Description Variable Type Description ScanRate TIME Specify the time interval desired to perform energy aggregation Reset UINT Resets the value of total volume ResetEnable BOOL 1 Reset is enabled VolUnit BYTE Unit of volume flow e 0 m3 hr e 1 cf hr e 2 ccf hr e 3 mef hr e 4 litres hr PresUnit BYTE Unit of pressure measured in e 0 bar e 1 Atm 2 kPa e 3 kg cm Reserved INT Reserved sc AIRCOMP_SC_DDT Provides the frequently needed data to see page 72 monitor AIRCOMP_SC_DDT Provides the frequently needed data to monitor Parameter Data Type Description PowToCons REAL Pressure to consumption ratio VolToCons ARRAY 0 4 OF INT Volume to consumption ratio Health BOOL Health status AHH BOOL High high level alarm AH BOOL High level alarm AD BOOL Deviation alarm AL BOOL Low level alarm ALL BOOL Low low level alarm Reserved BOOL Reserved 72 E100000001981 05 2014 Chapter 8 Liquid DFB Overview This chapter describes the Liquid DFB The function block does not reflect any specific installation A WARNING MISAPPLICATION OF FUNCTION BLOCKS Before adopting these function blocks for
19. D Status word CFGW WORD Configuration word Co2_CFG DDT This structure contains the additional status data Parameter Type Description KgCo2e REAL Carbon equivalent in kg Energy REAL Instantaneous energy TotalEgy REAL Total energy 86 E100000001981 05 2014 Co2 DFB Public Variables Public Variable Description You can enter the public parameters before running of the controller for proper calculations and aggregation Variable Type Description CarbonFactor REAL User defined carbon factor Reset UINT 1 Reset the totalized energy value ResetEnable BOOL Reset 0 Disabled 1 Enabled CarbonFactorType BYTE Type of energy consumed 0 Grid electricity 1 Natural gas 2 LPG 3 Gas oil 4 Fuel oil 5 Burning oil 6 Diesel 7 Petrol 8 Industrial coal 9 User defined SC CO2_SC_DDT see page 87 Provides frequently data to monitor Co2_SC_DDT Provides the frequently needed data to monitor Parameter Type Description KgCo2e REAL Carbon equivalent in kg Health BOOL Health status Reserved INT Reserved E100000001981 05 2014 87 Co2 DFB 88 E100000001981 05 2014 Chapter 10 Process Energy DFB Overview This chapter describes the ProcEnergy DFB The function block does not reflect any specific installation A WA
20. DFB DFB Representation Representation The following figure represents the Solid DFB SOLID EnableDFB InstEgy MassFlowRateCalc ThermalOutput Fail TotalEgy H LastEgySample Health Data_ST Data_ST Solid_ST Solid_ST Solid_CFG Solid_CFG E100000001981 05 2014 107 Solid DFB Inputs Input Parameter Description Parameter Type Description EnableDFB REAL Enables the DFB MassFlowRateCalc REAL Mass flow rate of the fuel being fed into the process through a meter Fail BOOL Any detected failure that is linked to the block This input will come from a CONDSUM Block 108 E100000001981 05 2014 Solid DFB Outputs Output Parameter Description Parameter Type Description InstEgy REAL Instantaneous energy rate in kW In order to be in line with the ODVA standards the instantaneous energy value should not exceed 32767 kW ThermalOutput ARRAY 0 4 OF INT Instantaneous energy in local units TotalEgy ARRAY 0 4 OF INT Total energy consumed in kWh LastEgySample ARRAY 0 4 OF INT Energy consumed in the last sample time in kWh Health BOOL Indicates the health of the block Health 0 Energy of the block is not aggregated Health 1 Energy of the block is aggregated E100000001981 05 2014 109 Solid DFB Inputs Outputs Input Output Parameter Description
21. E100000001981 00 Energy Management Library V2 0 Unity Pro Components User Manual 05 2014 www schneider electric com Schneider Electric The information provided in this documentation contains general descriptions and or technical characteristics of the performance of the products contained herein This documentation is not intended as a substitute for and is not to be used for determining suitability or reliability of these products for specific user applications It is the duty of any such user or integrator to perform the appropriate and complete risk analysis evaluation and testing of the products with respect to the relevant specific application or use thereof Neither Schneider Electric nor any of its affiliates or subsidiaries shall be responsible or liable for misuse of the information contained herein If you have any suggestions for improvements or amendments or have found errors in this publication please notify us No part of this document may be reproduced in any form or by any means electronic or mechanical including photocopying without express written permission of Schneider Electric All pertinent state regional and local safety regulations must be observed when installing and using this product For reasons of safety and to help ensure compliance with documented system data only the manufacturer should perform repairs to components When devices are used for applications with technical safety requirements
22. Inputs 68 Outputs 69 Inputs Outputs 70 Public Variables 72 ElO0000001981 05 2014 63 Air Compressor DFB Overview Working Principle Air compressor system is a unit that converts power coming from an electric motor diesel engine or gas engine to kinetic energy by compressing and pressurizing air This can be released to carry out the industry operation on demand The Air Compressor block is used to calculate the energy consumed by the air compressor to compress the air to a desired pressure It takes input in the form of volumetric flow rate of air desired pressure of the air and power consumed by the air compressor to compress the air to the desired pressure The functions of Air Compressor block are as follows This block totalizes the volume flow volumetric flowmeter input and gives it as output in the Odometer format It gives the pressure to consumption ratio pressure sensor input power consumption input It also gives the ratio of volume flow to consumption volumetric flowmeter input power consumption input For input values pressure and volume flow are first scaled through an analog input block and then is passed to the energy object The threshold of these values is in the analog input itself where these thresholds high high high low and low low are available These alert indications are shown in SCADA You need to configure the respective units of these input parameters for appropriate conv
23. Overview ooo eee ete 56 DFB Representation 2 6 00000 needs ee eee eee eee es 57 A E NR 58 QUI PUES nce ane E E ee e E e whe S 59 INPU S QU PUIS ocurra ee eae ee a A ates 60 Public VariableS ooooocccconcoco no 62 Chapter 7 Air Compressor DFB o o oo ooooooooo 63 OVEIVIEW ibi er A eee Ea E ee ees 64 DFB Representation 0000 000 eee 67 IMPUS e yd a ake ae Bandy ER 68 Outputs o 2068e 05 cee e d da 69 Inputs Outputs 6 tee 70 Public Vaniables 2 2 002 oeha2 laicidad 72 Chapter 8 Liquid DFB o lt lt 73 OVOIVISW eis dates ie idad tio aia 74 DFB Representati0DM ooocccoccccoo o 75 INP pt a argo nee eee ere Sake a Pacers Sonera en ee ences 76 OUIDULS esasi Bee rasa ida RA AA E ee ees 77 INputsS OULPUtS o jor Skee Enea ea toe Beer 78 Public Variables s 004 ticeet p ni AA ee ees 80 Chapter 9 Co2 DFB wc icc eee tec eects 81 OVENIVICW sia ooh bo Ree ed dae dd lito alo ers 82 DFB Representation 00000 00 eee eee 83 INPUTS 2s vec rei een teed 84 OUIDUIS gee arenes A Ges hays eae arate ba 85 Inputs OutputS lt cacci pees bod eww eda re ede isa heii 86 Public Variables 0 0 0 0 0 ee eens 87 E100000001981 05 2014 Chapter 10 Process Energy DFB ooooooooomo 89 OVNI Wes sacar a A AA Ad ORE 90 DFB Representation o oooccocccccccoo eee eee 91 INPUTS susto Sead ce kee hk Ae oe eee ide 92 OUMU Ss toe dos a eae a ia 93 I
24. RNING MISAPPLICATION OF FUNCTION BLOCKS Before adopting these function blocks for use in a specific application you must e Conduct a safety analysis for the application and equipment installed e Verify that the selected function blocks are appropriate for the equipment or function in the installation e Supply appropriate parameters particularly for limits e Check that all sensors and actuators are compatible with the selected function blocks e Verify that all functions of the selected function blocks work properly during verification and commissioning e Provide independent paths for critical control functions emergency stop over limit conditions etc according to the safety analysis and applicable codes and regulations Failure to follow these instructions can result in death serious injury or equipment damage What Is in This Chapter This chapter contains the following topics Topic Page Overview 90 DFB Representation 91 Inputs 92 Outputs 93 Inputs Outputs 94 Public Variables 96 ElO0000001981 05 2014 89 Process Energy DFB Overview Description The ProcEnergy block is used to record the energy per production unit instantaneous value for a particular parameter that the user wants to monitor At the end of production shift the TotalEgy output pin shows the amount of energy that has gone into this production Consider a situation where a reactor in
25. TotalEnergy REAL Total energy consumed for that shift Gets reset as soon as the shift is changed through the trigger input Deviation ARRAY 0 4 OF INT This is an array which contains the last 5 deviations from the last 5 shifts DeviationSum REAL The sum of last 5 deviations between total energy and target energy Health BOOL Indicates the health of the block Health 0 Energy of the block is not aggregated Health 1 Energy of the block is aggregated E100000001981 05 2014 101 Advanced Process Energy DFB Inputs Outputs Input Output Parameter Description Parameter Type Description ProcEnergy ST PROCENERGY_ST_DDT see page 102 The DDT pin is to pack and send data to HMI ProcEnergy CFG PROCENERGY_CFG_DDT see page 102 This DDT contains additional data for HMI ProcEnergy_ST_DDT This structure contains the block control and status data see page 94 ProcEnergy_CFG_DDT This structure contains the additional status data see page 94 STW Status Word Bit Structure of STW Status Word Bit Description 0 Detected failure e 0 No detected failure e 1 Detected failure 1 Energy type e 0 Producer e 1 Consumer 2 Deviation e 0 Deviation OK e 1 Total deviation exceeds threshold value 3 15 Reserved CFGW Configuration Word Bit Structure of CFGW Configuration Word Bit Description 0 Reset energy Detected by level 1
26. alues as this values are constant The calorific value and density of the gas are entered in the public variable of the DFB 24 E100000001981 05 2014 Gas Energy DFB Volumetric Flow Measurement Method e f Energy is measured with volume flow meter the volume values obtained is under one of the following categories 1 Direct value from field m hr 2 STP Standard Temperature Pressure 1 bar 273 Kelvin 3 NTP Normal Temperature Pressure 1 Atmosphere and 298 Kelvin You have to enter the temperature and pressure values e Actual Flow rate Pnorm Vnorm Tnorm Tactual Pactual You can enter Pnorm and Tnorm either at the pin or set to the default value based on NTP or STP e For calculation of volumetric flow of gas density parameter is required For density either you can make a table to refer for known gas in form of public variable or derive the value from the formula given below e Density Pactual M R Tactual Where M Molecular weight of gas and R gas constant Mass Flow Measurement Method e f Energy is measured with mass flow meter mass flow meter gives the value in terms of mass flow rate kg hr The amount of gas energy consumed with respect to mass flow rate is calculated as Energy kWh CV Mass flow rate kcal kg kg hr kcal hr e Mass flow rate is calculated as Va Actual Density kg hr e Final energy consumed in terms of volume is calculated again using the form
27. amount of greenhouse gas the amount of Co2 having the same global warming potential GWP when measured over a specified timescale 100 years Carbon dioxide equivalency reflects the time integrated radiation forcing a quantity of emissions or rate of greenhouse gas emission A flow into the atmosphere before an instantaneous value of the radiation forcing the stock concentration of greenhouse gases in the atmosphere described by CoZe This block is designed to record the carbon equivalent of the energy being produced in a plant or site or equipment Carbon dioxide equivalent CDE and equivalent carbon dioxide Co2e are the 2 related but distinct measures for describing global warming a type and may cause greenhouse gas using the functionally equivalent amount or concentration of carbon dioxide Co2 as the reference You have to enter this factor manually depending on e the user location e the norms followed by the location e fuel type used This block has following 8 preconfigured carbon factor types Grid electricity Natural gas LPG Gas oil Burning oil Diesel Petrol e Industrial coal If you want to give your own carbon factor the provision has been given as well At the output side of the block there is one output which gives the kg equivalent of Co2 This value is obtained by multiplying this factor with the energy value The input is an instantaneous energy This is multiplied by the equivalent carbon facto
28. ble could be made for different liquids The calorific value of the liquid are to be entered from the public variable of the DFB Liquid quantity is measured with mass flow meters For input values such as mass and volume flow pressure and temperature are first scaled through an analog input block and then is passed to the energy object The threshold of these values are in the analog input itself where these threshold high high high low and low low are available These alert indications are shown in SCADA You need to configure the respective units of these input parameters for appropriate conversion Mass flow meter gives the value in terms of mass flow rate kg hr Amount of liquid Energy Consumed with regard to Mass flow is calculated as Energy Mass flowrate Cp dt kcal kg kg hr kcal hr gt kWh Totalized value at the set sample rate provides energy value at the output pin energy which is calculated using the following equation Q M Cp at e Q Energy or heat duty kW e M Mass kg hr e Cp Specific heat of water at operating conditions kcal kg C e dt Temperature difference 74 E100000001981 05 2014 Liquid DFB DFB Representation Representation The following figure represents the Liquid DFB LIQUID EnableDFB InstEgy MassFlowRateCalc ThermalOutput Tempin TotalEgy H TempOut LastEgySample Fail Health Data_ST _ Datta_ST Liqui
29. ck that all sensors and actuators are compatible with the selected function blocks e Verify that all functions of the selected function blocks work properly during verification and commissioning e Provide independent paths for critical control functions emergency stop over limit conditions etc according to the safety analysis and applicable codes and regulations Failure to follow these instructions can result in death serious injury or equipment damage What Is in This Chapter This chapter contains the following topics Topic Page Overview 98 DFB Representation 99 Inputs 100 Outputs 101 Inputs Outputs 102 Public Variables 103 ElO0000001981 05 2014 97 Advanced Process Energy DFB Overview Description The ProcEnergyAdv block is used to record the energy per production unit instantaneous value for a particular parameter that the user wishes to monitor At the end of production shift the TotalEnergy output pin would show the amount of energy that has gone into this production Consider a situation where we have a reactor in which a certain substance say milk is being fermented The reactor will have a weight transmitter for the final production of the milk product monitoring the production in kg tonne which will be connected to the ProcEnergyAdv block ProdValue pin for recording this value The gas electrical solid fuel energy objects values will be collec
30. ction block does not reflect any specific installation A WARNING MISAPPLICATION OF FUNCTION BLOCKS Before adopting these function blocks for use in a specific application you must Conduct a safety analysis for the application and equipment installed Verify that the selected function blocks are appropriate for the equipment or function in the installation Supply appropriate parameters particularly for limits Check that all sensors and actuators are compatible with the selected function blocks Verify that all functions of the selected function blocks work properly during verification and commissioning Provide independent paths for critical control functions emergency stop over limit conditions etc according to the safety analysis and applicable codes and regulations Failure to follow these instructions can result in death serious injury or equipment damage What Is in This Chapter This chapter contains the following topics Topic Page Overview 56 DFB Representation 57 Inputs 58 Outputs 59 Inputs Outputs 60 Public Variables 62 E100000001981 05 2014 55 Boiler DFB Overview Description The Boiler block is used to calculate the energy produced by a boiler It takes input in the form of mass flow rate of feed water and the physical properties to provide an output which can be used to determine the accumulation of energy in the form of generation The
31. cture of STW Status Word Bit Description 0 Detected failure e 0 No detected failure e 1 Detected failure Deviation e 0 Deviation OK e 1 Total deviation exceeds threshold value 2 15 Reserved ProcEnergy_CFG_DDT This structure contains the additional status data Parameter Type Description TotalEgy REAL Total energy consumed between trigger periods ProdValue REAL Production value TotalDeviation REAL Total deviation LastDeviation REAL Last deviation Slopel REAL Slope of line 1 94 E100000001981 05 2014 Process Energy DFB Parameter Type Description YIntl REAL Y intercept of line 1 Slope2 REAL Slope of line 2 YInt2 REAL Y intercept of line 2 Slope3 REAL Slope of line 3 YInt3 REAL Y intercept of line 3 Slope4 REAL Slope of line 4 YInt4 REAL Y intercept of line 4 Slope5 REAL Slope of line 5 YInt5 REAL Y intercept of line 5 ThresholdDeviation REAL Threshold deviation STW Status Word Bit Structure of STW Status Word Bit Description 0 Detected failure e 0 No detected failure e 1 Detected failure 1 Energy type e 0 Producer e 1 Consumer 2 Energy detected failure e 0 No detected failure e 1 Detected failure 3 15 Reserved CFGW Configuration Word Bit Structure of CFGW Configuration Word Bit Description 0 Reset ene
32. d_ST Liquid_ST Liquid_CFG Liquid_CFG ElO0000001981 05 2014 75 Liquid DFB Inputs Input Pin Description Parameter Type Description EnableDFB BOOL Enables the DFB MassFlowRateCalc REAL Mass flow rate value of liquid is obtained from mass flow meter TempIn REAL Input temperature of water is obtained from temperature transmitter TempOut REAL Output temperature of water is obtained from temperature transmitter Fail BOOL Any detected failure that is linked to the block This input will come from a CONDSUM block 76 E100000001981 05 2014 Liquid DFB Outputs Output Pin Description Parameter Type Description InstEgy REAL Instantaneous energy rate in kW In order to be in line with the ODVA standards the instantaneous energy value should not exceed 32767 kW ThermalOutput ARRAY 0 4 OF INT Instantaneous energy in local units TotalEgy ARRAY 0 4 OF INT Total energy consumed in kWh LastEgySample ARRAY 0 4 OF INT Energy consumed in the last sample time in kWh Health BOOL Indicates the health of the block Health 0 Energy of the block is not aggregated Health 1 Energy of the block is aggregated E100000001981 05 2014 77 Liquid DFB Inputs Outputs Input Output Parameter Description Parameter Type Description Data_ST DAT
33. e 2 tonne hr ThermalOutputUnit BYTE Thermal output unit measured in e 0 kcal e 1 BTU e 2 Therms sc SEQ_SC_DDT see page 62 Provides the frequently needed data to monitor SEQ_SC_DDT Provides the frequently needed data to monitor see page 32 62 E100000001981 05 2014 Chapter 7 Air Compressor DFB Overview This chapter describes the AirCompressor DFB The function block does not reflect any specific installation A WARNING MISAPPLICATION OF FUNCTION BLOCKS Before adopting these function blocks for use in a specific application you must Conduct a safety analysis for the application and equipment installed Verify that the selected function blocks are appropriate for the equipment or function in the installation Supply appropriate parameters particularly for limits Check that all sensors and actuators are compatible with the selected function blocks Verify that all functions of the selected function blocks work properly during verification and commissioning Provide independent paths for critical control functions emergency stop over limit conditions etc according to the safety analysis and applicable codes and regulations Failure to follow these instructions can result in death serious injury or equipment damage What Is in This Chapter This chapter contains the following topics Topic Page Overview 64 DFB Representation 67
34. e appropriate for the equipment or function in the installation Supply appropriate parameters particularly for limits Check that all sensors and actuators are compatible with the selected function blocks Verify that all functions of the selected function blocks work properly during verification and commissioning Provide independent paths for critical control functions emergency stop over limit conditions etc according to the safety analysis and applicable codes and regulations Failure to follow these instructions can result in death serious injury or equipment damage What Is in This Chapter This chapter contains the following topics Topic Page Overview 24 DFB Representation 26 Inputs 27 Outputs 28 Inputs Outputs 29 Public Variables 31 ElO0000001981 05 2014 23 Gas Energy DFB Overview Information Provided by the Block The Gas block provides the following types of information 1 The instantaneous energy kW value in order to determine the energy rate of the Gas block at any particular time 2 The energy produced consumed in the past sample time You can select the sample time For example if you input 15 minutes as sample time the block will calculate the energy produced consumed in this period and the value is checked and revised every minute This value has to be entered from the public variable of the DFB at the start of program execution 3 The total energy
35. e is 1 bar Density REAL Specify the density of the gas in m kg ScanRate TIME Specify the time interval desired to perform energy aggregation SampleT TIME Specify the time interval desired to take Energy samples Reset UINT 1 To reset the totalized energy value ResetEnable BOOL Reset e 0 Disable reset e 1 Enable reset Etype BOOL Energy type e 0 Block is producer e 1 Block is consumer ThermalOutputUnit BYTE The unit of the thermal energy derived in e 0 kcal e 1 BTU e 2 Therms TempUnit BYTE The unit of the temperature measured in e 0 Kelvin e 1 Celsius e 2 Fahrenheit PressureUnit BYTE The unit of the pressure measured in e 0 bar e 1 Atm e 2 Kpa e 3 kg cm MassFlowUnit BYTE The unit of the mass flow measured in e 0 kg hr e 1 gm hr e 2 tonne hr E100000001981 05 2014 31 Gas Energy DFB Variable Type Description VolumeFlowUnit BYTE The unit of the volume flow measured in e 0 m3 hr e 1 cf hr e 2 ccf hr e 3 mef hr e 4 litres hr Reserved INT Reserved sc SEQ_SC_DDT see page 32 Provides the frequently needed data to monitor SEQ_SC_DDT This structure contains the additional status data Parameter Type Description InstEgy REAL Instantaneous energy TotalEgy ARRAY 0 4 OF INT Total energy Health BOOL Health status EType BOOL Energy type AHH BOOL High high level alarm AH BOOL High level
36. el of the plant and the user can further make amendments 90 E100000001981 05 2014 Process Energy DFB DFB Representation Representation The following figure represents the ProcEnergy DFB PROCENERGY EnableDFB Egylntensity Energy TargetEnergy ProdValue TotalEgy Trigger Deviation ProcActive DeviationSum Fail Health h ProcEnergy_ST ProcEnergy_ST H ProcEnergy_CFG ProcEnergy_CFG E100000001981 05 2014 91 Process Energy DFB Inputs Input Parameter Description Parameter Type Description EnableDFB BOOL Enables the DFB Energy REAL The energy parameter coming from an accumulator which is recording the overall instantaneous energy being utilized for the production parameter ProdValue REAL The instantaneous production value This can come from a weight transmitter of a reactor or any transmitter which is monitoring a production value Trigger BOOL The trigger input is to be a pulsed input to be given after the shift is over This will reset the total energy and will give the energy deviation for that particular shift from the modeled energy ProcActive BOOL Takes the health of the Process that is being monitored If the process is healthy the block requires an input of 1 and will calculate the energy values Fail BOOL Any detec
37. ersion 64 E100000001981 05 2014 Air Compressor DFB The following figure shows the components of air compressor system Components Of Air Compressor System Component Description Intake air filters Avoids dust from entering the compressor Dust causes sticking valves scoured cylinders excessive wear and so on Inter stage coolers Reduces the temperature of the air before it enters the next stage This action reduces the work of compressor and increases efficiency They are water cooled After coolers Removes the moisture in the air by reducing the temperature in a water cooled heat exchanger Air dryers Removes remaining traces of moisture in air using air dryers As the air for instrument and pneumatic equipment has to be relatively free of any moisture The moisture is removed by using absorbent such as silica gel activated carbon refrigerant dryers or heat of compression dryers E100000001981 05 2014 65 Air Compressor DFB Component Description Moisture drain traps Removes the moisture in the compressed air These traps resemble steam traps Various types of traps used are manual drain cocks which are timer based or automatic drain valves Receivers Stores and smoothens the pulsating air output by reducing the pressure variations from the compressor Three basic types of air compressors are 1 Reciprocating 2 Rotary screw 3 Ro
38. functions of Boiler block are as follows Enthalpy of steam and Feed water are the constants entered by the user into the public variables of the block Steam quantity produced is measured with a mass flowmeter For input values output pressure mass flow of steam and output temperature are first scaled through an analog input block and then is passed to the Boiler block The threshold of these values is in the analog input where these thresholds high high high low and low low are available These alert indications are shown in SCADA e You need to configure the respective units of these input parameters for appropriate conversion Mass flow meter gives the value in terms of mass flow rate kg hr Amount of steam energy produced with regard to mass flow is calculated as Energy Enthalpy of steam Enthalpy of feedwater Mass Flow rate kcal kg x kg hr kcal hr kWh Totalized value at the set sample rate provides energy value at the output pin energy which is calculated using the following equation Q Hs Hw x M where Q Energy or heat duty kW M Mass kg hr Hs Enthalpy of steam kcal kg Hw Enthalpy of feed water kcal kg 56 E100000001981 05 2014 Boiler DFB DFB Representation Representation The following figure represents the Boiler DFB BOILER EnableDFB InstEgy H OutputPres ThermalOutput OutputTemp TotalEgy MassFlowRate S LastEgySample Fail Health H Data_ST
39. hasel REAL Phase 1 measured current CurrentPhase2 REAL Phase 2 measured current CurrentPhase3 REAL Phase 3 measured current PF REAL Power factor SampleEgy ARRAY 0 4 OF INT Sample energy ThermOP ARRAY 0 4 OF INT Instantaneous thermal energy TotalEgy ARRAY 0 4 OF INT Total energy Reserved INT Reserved STW Status Word Bit Structure of STW Status Word Bit Description 0 Detected failure e 0 No detected failure e 1 Detected failure 1 Energy type e 0 Producer e 1 Consumer 2 15 Reserved CFGW Configuration Word Bit Structure of CFGW Configuration Word Bit Description 0 Reset energy Detected by level 1 15 Reserved E100000001981 05 2014 39 Voltage Current and Power Electrical DFB Public Variables Public Variable Description Variable Type Description PF REAL Enter the power factor ScanRate TIME Specify the time interval desired to perform energy aggregation SampleT TIME This public variable is the interval at which the totalized energy is updated Reset UINT 1 To reset the totalized energy value ResetEnable BOOL Reset e 0 Disable reset e 1 Enable reset Etype BOOL Energy type e 0 Block is producer e 1 Block is consumer Mode BYTE User selection for e 0 for single phase Voltage Current Power Energy e 1 for 3 phase Voltage Current Energy Power VUnit BYTE Unit of
40. it conversion block for Electrical objects What Is in This Section This section contains the following topics Topic Page Overview 50 DFB Representation 51 Inputs 52 Outputs 53 E100000001981 05 2014 49 Unit Conversion DFBs Overview Description The EUnitConv block is used to convert the inputs of the block into the specified local unit This block is used internally in the 1 Electric DFB 50 E100000001981 05 2014 Unit Conversion DFBs DFB Representation Representation The following figure represents the EUnitConv DFB EUnitConv LocalUnit Output Energy E100000001981 05 2014 51 Unit Conversion DFBs Inputs Input Parameter Description Parameter Type Description LocalUnit BYTE Enumerations value provided by the user to convert the Watt Hour inputs to the desired local value e 0 kw e 1 kWh Energy REAL Energy input in kW to the block for conversion into the local unit 52 E100000001981 05 2014 Unit Conversion DFBs Outputs Output Parameter Description Parameter Type Description Output REAL Output of the block gives the energy in terms of the selected unit E100000001981 05 2014 53 Unit Conversion DFBs 54 E100000001981 05 2014 Chapter 6 Boiler DFB Overview This chapter describes the Boiler DFB The fun
41. move tools meters and debris from equipment Failure to follow these instructions can result in injury or equipment damage Follow all start up tests recommended in the equipment documentation Store all equipment documentation for future references Software testing must be done in both simulated and real environments Verify that the completed system is free from all short circuits and temporary grounds that are not installed according to local regulations according to the National Electrical Code in the U S A for instance If high potential voltage testing is necessary follow recommendations in equipment documentation to prevent accidental equipment damage Before energizing equipment e Remove tools meters and debris from equipment Close the equipment enclosure door Remove all temporary grounds from incoming power lines Perform all start up tests recommended by the manufacturer E100000001981 05 2014 9 OPERATION AND ADJUSTMENTS The following precautions are from the NEMA Standards Publication ICS 7 1 1995 English version prevails e Regardless of the care exercised in the design and manufacture of equipment or in the selection and ratings of components there are hazards that can be encountered if such equipment is improperly operated e Itis sometimes possible to misadjust the equipment and thus produce unsatisfactory or unsafe operation Always use the manufacturer s instructions as a guide for func
42. n protection e Do not reach into machinery during operation Failure to follow these instructions can result in death serious injury or equipment damage This automation equipment and related software is used to control a variety of industrial processes The type or model of automation equipment suitable for each application will vary depending on factors such as the control function required degree of protection required production methods unusual conditions government regulations etc In some applications more than one processor may be required as when backup redundancy is needed Only you the user machine builder or system integrator can be aware of all the conditions and factors present during setup operation and maintenance of the machine and therefore can determine the automation equipment and the related safeties and interlocks which can be properly used When selecting automation and control equipment and related software for a particular application you should refer to the applicable local and national standards and regulations The National Safety Council s Accident Prevention Manual nationally recognized in the United States of America also provides much useful information In some applications such as packaging machinery additional operator protection such as point of operation guarding must be provided This is necessary if the operator s hands and other parts of the body are free to enter the pinch points or
43. nputs Outputs 0 eee 94 Public Variables 0 000 0000 cece eee 96 Chapter 11 Advanced Process Energy DFB 97 OVEIVIEW coc o are ita a tad 98 DFB Representation 00 00 c cece cee eee 99 INDUISH 26 onde se tae ee tetas aa paa ee 100 Outputs 25 is 2205 pede eee in ae Bh ed 101 INPUtS OUIPUIS ee iin ha ete esas dew en aera OSA eae eee 102 Public Variables voii ita da ad 103 Chapter 12 Solid DFB 0 0 ee 105 OVEIVIEW caia ai a Ruby Son aE aa at ea iaa 106 DFB Representation o oooococccocccco eee eee 107 npu ae eo ae cite a sta ts a ee a ee 108 QU PUIS 2 sabe rice ree eel eehetaee Pies bi lac rlackbinceeds 109 Inputs Outputs oee acua eae 110 Public Variables 0 0 0 00 ccc eee ee eee 112 E100000001981 05 2014 5 E100000001981 05 2014 Safety Information G Important Information NOTICE Read these instructions carefully and look at the equipment to become familiar with the device before trying to install operate or maintain it The following special messages may appear throughout this documentation or on the equipment to warn of potential hazards or to call attention to information that clarifies or simplifies a procedure electrical hazard exists which will result in personal injury if the instructions are not p The addition of this symbol to a Danger or Warning safety label indicates that an followed hazards Obey all safety messages
44. ol paths for critical control functions Review the implications of transmission delays or failure of communication links Apply local accident prevention and safety regulations and guidelines 1 Test each implementation of this library for proper operation before placing it into service Failure to follow these instructions can result in death serious injury or equipment damage ElO0000001981 05 2014 11 1 For additional information refer to NEMA ICS 1 1 latest edition Safety Guidelines for the Application Installation and Maintenance of Solid State Control and to NEMA ICS 7 1 latest edition Safety Standards for Construction and Guide for Selection Installation and Operation of Adjustable Speed Drive Systems or their equivalent governing your particular location The application of this product requires expertise in the design and operation of control systems A WARNING UNINTENDED EQUIPMENT OPERATION Allow only authorized personnel with such expertise to program install alter and apply this product Follow local and national safety codes and standards Failure to follow these instructions can result in death serious injury or equipment damage Examples in this manual are given for information only A WARNING UNINTENDED EQUIPMENT OPERATION Adapt examples that are given in this manual to the specific functions and safety requirements of your industrial application when you implement
45. r and is accumulated at every one second to get a totalized value 82 E100000001981 05 2014 Co2 DFB DFB Representation Representation The following figure represents the Co2 DFB co2 EnableDFB KgCo2e Energy Health Fail Co2_ST Co2_ST Co2_CFG Co2_CFG E100000001981 05 2014 83 Co2 DFB Inputs Input Parameter Description Parameter Type Description EnableDFB BOOL Enables the DFB Energy REAL The energy input in kW Fail BOOL Any detected failure that is linked to the block This input will come from a CONDSUM block 84 E100000001981 05 2014 Co2 DFB Outputs Output Parameter Description Parameter Type Description KgCO2e REAL The kg carbon dioxide equivalent Health BOOL Indicates the health of the block e Health 0 Energy of this block is not aggregated Health 1 Energy of this block is aggregated E100000001981 05 2014 85 Co2 DFB Inputs Outputs Input Output Parameter Description Parameter Type Description Co2_ ST Co2_ST_DDT This is the primary variable used for communication see page 86 with Vijeo Citect components Co2_CFG Co2_CFG_DDT This is the secondary variable used for see page 86 communication with Vijeo Citect components Co2_ST DDT This structure contains the block control and status data Parameter Type Description STW WOR
46. rameter Type Description EgyInstP REAL Total instantaneous energy from producers EgyInstC REAL Total instantaneous energy from consumers EgySamplePDint DINT Sample energy produced EgyTotalPDint DINT Total energy produced EgySampleCDint DINT Sample energy consumed EgyTotalCDint DINT Total energy consumed ThermalEgyTotalPDint DINT Thermal energy produced ThermalEgyTotalCDint DINT Thermal energy consumed SampleT TIME Sample time EgySampleP ARRAY 0 4 OF INT Total sample energy from producers EgySampleC ARRAY 0 4 OF INT Total sample energy from consumers EgyTotalP ARRAY 0 4 OF INT Total energy from producers EgyTotalC ARRAY 0 4 OF INT Total energy from consumers ThermalEgyTotalP ARRAY 0 4 OF INT Total thermal energy from producers ThermalEgyTotalC ARRAY 0 4 OF INT Total thermal energy from consumers Health BOOL Health bit Reserved INT Reserved 20 E100000001981 05 2014 Aggregator DFB AGG_ST_DDT This structure contains the block control and status data Parameter Type Description NetSampleEgyDint DINT Net sample energy NetEgyPDint DINT Net total energy produced NetEgyCDint DINT Net total energy consumed NetEgyDint DINT Net total energy NetThermalEgyDint DINT Net thermal energy STW WORD Status word Reserved INT Reserved AGG_CFG_DDT This structure contains the additional status data Parameter Type Description NetInstRate REAL Net instan
47. rgy Detected by level 1 15 Reserved E100000001981 05 2014 95 Process Energy DFB Public Variables Public Variable Description Variable Type Description Reset UINT Resets the total energy deviation and deviation sum ResetEnable BOOL 1 reset is enabled Reserved BOOL Reserved sc PROCENERGY_SC_DDT Provides frequently needed data to monitor see page 96 ProcEnergy_SC_DDT This structure provides the frequently needed data to monitor Parameter Type Description EnergyIntensity REAL Energy intensity DeviationSum REAL Total sum of last 5 deviations Health BOOL Health status AHH BOOL High high level alarm AH BOOL High level alarm AD BOOL Deviation alarm AL BOOL Low level alarm ALL BOOL Low low level alarm Reserved INT Reserved 96 E100000001981 05 2014 Chapter 11 Advanced Process Energy DFB Overview This chapter describes the ProcEnergyAdv DFB The function block does not reflect any specific installation A WARNING MISAPPLICATION OF FUNCTION BLOCKS Before adopting these function blocks for use in a specific application you must e Conduct a safety analysis for the application and equipment installed e Verify that the selected function blocks are appropriate for the equipment or function in the installation e Supply appropriate parameters particularly for limits e Che
48. rgy ThermUnit BYTE The unit of the thermal energy derived in e 0 kcal e 1 BTU e 2 Therms Reserved BYTE Reserved STW Status Word Bit Structure of STW Status Word Bit Description 0 Detected failure e 0 No detected failure e 1 Detected failure 1 Energy type e 0 Producer e 1 Consumer 2 15 Reserved CFGW Configuration Word Bit Structure of CFGW Configuration Word Bit Description 0 Reset energy Detected by level 1 15 Reserved E100000001981 05 2014 111 Solid DFB Public Variables Public Variable Description Variable Type Description CalorificValue REAL Value of calorific value in kcal kg ScanRate TIME Specifies the time interval desired to perform energy aggregation SampleT TIME This public variable is the interval at which the totalized energy is updated Reset UINT Reset ResetEnable BOOL 1 Reset is enabled Etype BOOL Energy type 0 Object is producer 1 Object is consumer ThermalOutputUnit BYTE Unit of the thermal output measured in 0 kcal 1 BTU 2 Therms MassFlowUnit BYTE Unit of the mass flow rate measured in 1 kg hr 2 gm hr 3 tonne hr sc SEQ_SC_DDT Provides frequently needed data to monitor see page 112 SEQ_SC_DDT Provides the frequently needed data to monitor see page 32 112 E100000001981 05 2014
49. rmine the energy rate of the plant section area at any particular time 2 The aggregated energy produced consumed in the past sample time You can select the sample time For example if you input 15 minutes as sample time the block will calculate the energy produced consumed for this period and the value is checked and revised every minute 3 The total energy produced by the blocks that are configured as producers 16 E100000001981 05 2014 Aggregator DFB 4 The total energy consumed by the blocks that are configured as consumers 5 The total aggregated energy value The total energy consumed kWh is the total energy consumed by the plant section area from the start of the controller execution NOTE For successful aggregation of energy values by the aggregator confirm that the aggregator is executed after the energy blocks connected to it e Electrical non electrical block e Aggregator block NOTE In case of aggregation of aggregator the execution order should be e Electrical non electrical aggregators e Aggregator block E100000001981 05 2014 17 Aggregator DFB DFB Representation Representation The following figure represents the AGGRI AGGREGATOR Agg_InstEgyRate Agg_LastEgySample Agg_TotalEgyP Agg_TotalEgyC Agg_TotalEgyNet Agg_TotalThermEgyNet DataObj_ST DataObj_ST DataAgg_ST DataAgg_ST Agg_ST Agg_ST Agg_CFG Agg_CFG
50. s 1 the phase 1 current measured from the measuring device is connected Current2 REAL Phase 2 line current measured from the measuring device Current3 REAL Phase 3 line current measured from the measuring device Power REAL When the mode is 0 this pin is used to connect the single phase active power value When the mode is 1 this pin is used to connect the active power input Egy Real When the mode is 0 this pin is used to connect the single phase energy value When the mode is 1 this pin is used to connect the apparent energy input Fail BOOL Any detected failure that is linked to this block This input will come from a CONDSUM block 36 E100000001981 05 2014 Voltage Current and Power Electrical DFB Outputs Output Parameter Description Parameter Type Description InstEgy REAL Instantaneous energy rate in kW In order to be in line with the ODVA standards the instantaneous energy value should not exceed 32767 kW ThermalOutput ARRAY 0 4 OF INT Instantaneous thermal energy in local units TotalEgy ARRAY 0 4 OF INT Total energy consumed in Wh LastEgySample ARRAY 0 4 OF INT Energy consumed in the last sample time in Wh Health BOOL Indicates the health of the block e Health 0 Energy of the block is not aggregated Health 1 Energy of the block is aggregated E100000001981 05 2014 37 Voltage Current and Power Electrical DFB Inputs Outp
51. since the running of the block Health BOOL Indicates the health of the block e Health 0 Energy of this block is not aggregated Health 1 Energy of this block is aggregated E100000001981 05 2014 69 Air Compressor DFB Inputs Outputs Input Output Parameter Description Parameter Type Description AIRCOMP_ST_DDT see page 70 AirComp_ST This is the primary variable used for communication with the Vijeo Citect components AirComp_CFG see page 70 AIRCOMP_CFG_DDT Additional data for Vijeo Citect components AIRCOMP_ST_DDT This structure contains the block control and status data Parameter Data Type Description PressureToCons REAL Pressure to consumption ratio STW WORD Status word CFGW WORD Configuration word AIRCOMP_CFG_DDT This structure contains the additional status data Parameter Data Type Description VolToCons REAL Volume to consumption ratio VolumeFlow REAL Volume flow of compressed air Pressure REAL Output pressure TotalVolume ARRAY 0 4 OF INT Total volume compressed Reserved INT Reserved STW Status Word Bit Structure of STW Status Word Bit Description 0 Detected failure e 0 No detected failure e 1 Detected failure 1 15 Reserved 70 EI00000001981 05 2014 Air Compressor DFB CFGW Configuration Word Bit Structure of
52. single phase or three phase voltage and current or single phase and three phase power energy e lfsingle phase energy is desired connect the inputs Voltagel and Current1 Power or energy e If three phase energy is desired connect the inputs Voltagel Voltage2 Voltage3 and Currentl Current2 Current 3 and PF or Power and PF or Energy and PF 34 E100000001981 05 2014 Voltage Current and Power Electrical DFB DFB Representation Representation The following figure represents the 1 ELECTRIC EnableDFB InstEgy Voltage1 ThermalOutput Voltage2 TotalEgy Voltage3 LastEgySample Current Health Current2 Current3 Power Egy Fail Data_ST Data_ST ELEC_ST ELEC_ST ELEC_CFG ELEC_CFG Electric DFB E100000001981 05 2014 35 Voltage Current and Power Electrical DFB Inputs Input Parameter Description Parameter Type Description EnableDFB BOOL Enables the DFB Voltagel REAL When the mode selected is 0 this pin is used to enter the voltage value When the mode selected is 1 the phase 1 voltage measured from the measuring device is connected Voltage2 REAL Phase 2 voltage measured from the measuring device Voltage3 REAL Phase 3 voltage measured from the measuring device Currentl REAL When the mode selected is 0 this pin is used to enter the single phase current value When the mode selected i
53. taneous rate NetSampleEgy ARRAY 0 4 OF INT Net sample energy NetEgyP ARRAY 0 4 OF INT Net energy from producers NetEgyC ARRAY 0 4 OF INT Net energy from consumers NetEgy ARRAY 0 4 OF INT Net energy NetThermalEgy ARRAY 0 4 OF INT Net thermal energy Reserved INT Reserved E100000001981 05 2014 21 Aggregator DFB Public Variables Public Variable Description Variable Type Description SampleT TIME Sample time ThermalUnit BYTE The unit of the thermal energy derived in e 0 kcal e 1 BTU e 2 Therms Reserved INT Reserved se AGG_SC_DDT see page 22 Provides frequently needed data to monitor AGG_SC_DDT Provides the frequently needed data to monitor Parameter Type Description NetInstEgy REAL Net instantaneous rate TotalEgyNet ARRAY 0 4 OF INT Net total energy AHH BOOL High high level alarm AH BOOL High level alarm AD BOOL Deviation alarm AL BOOL Low level alarm ALL BOOL Low low level alarm 22 E100000001981 05 2014 Chapter 3 Gas Energy DFB Overview This chapter describes the Gas DFB The function block does not reflect any specific installation A WARNING MISAPPLICATION OF FUNCTION BLOCKS Before adopting these function blocks for use in a specific application you must Conduct a safety analysis for the application and equipment installed Verify that the selected function blocks ar
54. tary centrifugal Air Compressor System with Regard to Energy Management Library The energy library offer is generic and can be used for any type of compressor as only the working principle differs in these types Air compressor function in Energy Management library provides relational information to the plant operator in runtime in two forms e Compressed air volume versus electrical consumption of the compressor unit over time e Compressed air pressure versus electrical consumption of the compressor unit over time Energy library has a function block named Air Compressor This block collects the volume air pressure and power consumption data as input and calculates a relation between the compressed air volume to electrical consumption and compressed air pressure to electrical consumption over time The function object acquires data in the following manner e The input parameters of this object include electrical power consumed to drive the compressor coming from the existing Electrical block e The input parameters also contain pins for pressure and volume flow These parameters are measured from the field by flow meters and pressure transmitters The output derived from the block is accumulated information including the performance of the compressed air system with reference to volume and pressure and corresponding power consumed over a period defined by the user 66 E100000001981 05 2014 Air Compressor DFB DFB Represen
55. tation Representation The following figure represents the AirCompressor DFB AIRCOMPRESSOR EnableDFB PressureToConsumption Pressure VolumeFlowToConsumption J VolumeFlowRateCalc TotalVolume PowerConsumed Health Fail AirComp_ST AirComp_ST H AirComp_CFG AirComp_CFG H E100000001981 05 2014 67 Air Compressor DFB Inputs Input Parameter Description Parameter Type Description EnableDFB BOOL Enables the DFB Pressure REAL Pressure of compressed air VolumeFlowRateCalc REAL The volume flow rate of the compressed air is being given out at the output side measured using a flow meter PowerConsumed REAL The electrical power of the compressor is consumed and can come from the Electrical object Fail BOOL Any detected failure that is linked to this block This input will come from a CONDSUM block 68 E100000001981 05 2014 Air Compressor DFB Outputs Output Parameter Description Parameter Type Description PressureToConsumption REAL Gives the ratio of the pressure of the compressed gas to the electrical energy consumed This is an instantaneous value VolumeFlowToConsumption REAL Gives the ratio of the volume flow of the compressed gas to the electrical energy consumed This is an instantaneous value TotalVolume ARRAY 0 4 OF INT _ Gives the total volume of air compressed
56. ted failure that is linked to the block This input will come from a CONDSUM Block 92 E100000001981 05 2014 Process Energy DFB Outputs Output Parameter Description Parameter Type Description EnergyIntensity REAL The energy consumed to produce a unit of product TargetEnergy REAL This is the energy that is modeled by user TotalEnergy REAL Total energy consumed for that shift Gets reset as soon as the shift is changed through the trigger input Deviation ARRAY 0 4 OF INT This is an array which contains the last 5 deviations from the last 5 shifts DeviationSum REAL Sum of last 5 deviations Health BOOL Indicates the health of the block Health 0 Energy of the block is not aggregated Health 1 Energy of the block is aggregated E100000001981 05 2014 93 Process Energy DFB Inputs Outputs Input Output Parameter Description Parameter Type Description ProcEnergy ST PROCENERGY_ST_DDT The DDT is to pack and send data to HMI see page 94 ProcEnergy CFG PROCENERGY_CFG_DDT see page 94 This DDT contains additional data for HMI ProcEnergy_ST_DDT This structure contains the block control and status data Parameter Type Description EnergyIntensity REAL Energy consumed per unit of production STW WORD Refer to Status word see page 95 CFGW WORD Configuration word ProcEnergy_ST STW Bit Stru
57. ted in one Aggregator block the output of which will be connected to the ProcEnergy block Energy pin The ProcEnergy block would thus give us the instantaneous ratio of Energy production unit of the particular process Another feature of this block is that it gives the user the capability to Model a desired energy curve This curve will be consisted of three straight lines The parameters of this line are to be entered by the user The user also has to write external logic which is to be connected to the trigger input This logic is to specify the termination of the shift Once the block gets the trigger input in the form of pulsed input the block will compare the true energy or total energy for that shift with the model curve It will record the energy deviation between the curves The block will store 5 of these deviations in an array called Deviation output pin The user also has to specify the Threshold deviation from HMI If the total value of the Last 5 deviations exceeds the threshold deviation then a notification is generated This will help the user to realize that there is an overconsumption of energy at that level of the plant and he can further make amendments 98 E100000001981 05 2014 Advanced Process Energy DFB DFB Representation Representation The following figure represents the Proc PROCENERGYADV EnableDFB EgyIntensity Energy TargetEgy ProdValue TotalEgy Trigger Deviation ProcActive DeviationS
58. ter 5 Unit Conversion DFBs Overview This chapter describes the UnitConv DFBs The function blocks do not reflect any specific installation A WARNING MISAPPLICATION OF FUNCTION BLOCKS Before adopting these function blocks for use in a specific application you must e Conduct a safety analysis for the application and equipment installed e Verify that the selected function blocks are appropriate for the equipment or function in the installation e Supply appropriate parameters particularly for limits e Check that all sensors and actuators are compatible with the selected function blocks e Verify that all functions of the selected function blocks work properly during verification and commissioning e Provide independent paths for critical control functions emergency stop over limit conditions etc according to the safety analysis and applicable codes and regulations Failure to follow these instructions can result in death serious injury or equipment damage What Is in This Chapter This chapter contains the following sections Section Topic Page 5 1 Unit Conversion Block Non electric Object 44 5 2 Unit Conversion Block Electrical Object 49 ElO0000001981 05 2014 43 44 Unit Conversion DFBs Section 5 1 Unit Conversion Block Non electric Object Overview This section describes the unit conversion block for non electric object What Is in This Sec
59. that follow this symbol to avoid possible injury or death A DANGER DANGER indicates a hazardous situation which if not avoided will result in death or serious injury This is the safety alert symbol It is used to alert you to potential personal injury A WARNING WARNING indicates a hazardous situation which if not avoided could result in death or serious injury A CAUTION CAUTION indicates a hazardous situation which if not avoided could result in minor or moderate injury NOTICE NOTICE is used to address practices not related to physical injury E100000001981 05 2014 7 PLEASE NOTE Electrical equipment should be installed operated serviced and maintained only by qualified personnel No responsibility is assumed by Schneider Electric for any consequences arising out of the use of this material A qualified person is one who has skills and knowledge related to the construction and operation of electrical equipment and its installation and has received safety training to recognize and avoid the hazards involved BEFORE YOU BEGIN Do not use this product on machinery lacking effective point of operation guarding Lack of effective point of operation guarding on a machine can result in serious injury to the operator of that machine A WARNING UNGUARDED EQUIPMENT e Donotuse this software and related automation equipment on equipment which does not have point of operatio
60. the relevant instructions must be followed Failure to use Schneider Electric software or approved software with our hardware products may result in injury harm or improper operating results Failure to observe this information can result in injury or equipment damage O 2014 Schneider Electric All rights reserved E100000001981 05 2014 Table of Contents Safety Information lt lt cscigacarrer a see ee ane About the Book Chapter 1 Particular Requirements Providing Appropriate Chapter 2 Aggregator DFB Overview DFB Representation Outputs Inputs Outputs Public Variables Chapter 3 Gas Energy DFB Overview Outputs Inputs Outputs Public Variables Input ValUES ig concibe Chapter 4 Voltage Current and Power Electrical DFB Overview Technical Implementation Methodology o oooooooooo Chapter 5 Unit Conversion DFBS occccoococoooo oo 5 1 Unit Conversion Block Non electric Object Overview E100000001981 05 2014 5 2 Unit Conversion Block Electrical Object 49 OVOIVISW ecce nanea man aa EA A ACERA A A A tl 50 DFB Representation 0 0 00 cece eee ee eee 51 MAUS 20 dd cat at ed ess em hye 52 QuUIpUlS aos ee ee eee es Geen gee 53 Chapter 6 BoilerDFB o o ooo oo ooooooooo 55
61. the safety analysis and applicable codes and regulations Failure to follow these instructions can result in death serious injury or equipment damage What Is in This Chapter This chapter contains the following topics Topic Page Overview 16 DFB Representation 18 Outputs 19 Inputs Outputs 20 Public Variables 22 ElO0000001981 05 2014 15 Aggregator DFB Overview Description The Aggregator block is used to aggregate energy in kWh at several levels for the user to view the collective energy consumption of a plant The use cases of the Aggregator block are as follows e The aggregation of energy from two Electric blocks is shown with the red outline e The aggregation energy from two Gas blocks is shown with the green outline e The aggregation of energy from two independent Aggregator blocks is shown in the black outline e The aggregation of energies from any two energy blocks The following figure shows the use cases ofthe Aggregator block The link between the blocks is through the Data_ST and DataAgg derived data type DDT To connect the blocks to the Aggregator you have to connect them through Data_ST DDT To connect two or more Aggregator blocks you have to connect them through the DataAgg DDT The Aggregator block provides the following types of information 1 The aggregated instantaneous of energy kW value in order to dete
62. tion This section contains the following topics Topic Page Overview 45 DFB Representation 46 Inputs 47 Outputs 48 E100000001981 05 2014 Unit Conversion DFBs Overview Description The UnitConv block is used to convert the inputs of the block into the specified local unit This block is used internally in the non electrical object DFB like Solid Liquid Gas and Boiler ElO0000001981 05 2014 45 Unit Conversion DFBs DFB Representation Representation The following figure represents the UnitConv DFB GasUnitConv LocalUnit Output Energy 46 E100000001981 05 2014 Unit Conversion DFBs Inputs Input Parameter Description Parameter Type Description LocalUnit BYTE Enumerations value provided by the user to convert the Watt hour inputs to the desired local value e 0 kcal e 1 BTU British Thermal Unit e 2 Thermal unit Energy REAL Energy input in kW to the Block for conversion into the local unit E100000001981 05 2014 47 Unit Conversion DFBs Outputs Output Parameter Description Parameter Type Description Output REAL Output of the block gives the energy in terms of the selected unit 48 E100000001981 05 2014 Unit Conversion DFBs Section 5 2 Unit Conversion Block Electrical Object Overview This Section describes the un
63. tional adjustments Personnel who have access to these adjustments should be familiar with the equipment manufacturer s instructions and the machinery used with the electrical equipment e Only those operational adjustments actually required by the operator should be accessible to the operator Access to other controls should be restricted to prevent unauthorized changes in operating characteristics 10 E100000001981 05 2014 About the Book Z At a Glance Document Scope This document provides information on operating a project developed with PlantStruxure and the Energy Management library This document does not cover any development procedures and internal functionality details Users of the Unity Pro components should have a good working knowledge in the employment of the Unity Pro Validity Note This document has been updated with the release of the Energy Management library V2 0 Related Documents Title of Documentation Reference Number Energy Management Library V2 0 Vijeo Citect Components User El00000001982 Manual You can download these technical publications and other technical information from our website at www schneider electric com Product Related Information A WARNING LOSS OF CONTROL Review potential failure modes of the control paths for critical control functions Provide a means to achieve a safe state during and after a path failure Provide separate or redundant contr
64. to the safety analysis and applicable codes and regulations Failure to follow these instructions can result in death serious injury or equipment damage What Is in This Chapter This chapter contains the following topics Topic Page Overview 106 DFB Representation 107 Inputs 108 Outputs 109 Inputs Outputs 110 Public Variables 112 ElO0000001981 05 2014 105 Solid DFB Overview Description Solid fuel refers to various types of solid material that are used as fuel to produce energy and provide heating released through combustion Solid fuels include wood charcoal peat coal Hexamine fuel tablets and pellets made from wood corn wheat rye and other grains This block provides the energy content of a solid fuel which is used in any process or equipment You have to connect the parameters which will provide the mass flow rate of the fuel along with the calorific value of the fuel being used The formula used to calculate the Energy is Energy Mass flow rate x Calorific value of fuel e For input values such as mass and volume flow pressure and temperature are first scaled through an analog input block and then is passed to the Energy object e The threshold of these values are done in the analog input itself where these thresholds high high high low and low low are available These alert indications are shown in SCADA 106 E100000001981 05 2014 Solid
65. tput Parameter Description Parameter Type Description Data_ST DATA_ST_DDT This DDT pin is connected between the DFB and see page 60 the Aggregator block for aggregation of energy values Boiler ST STATUS_ST_DDT This is the primary variable used for communication see page 60 with the Vijeo Citect components Boiler CFG BOILER_CFG_DDT This is the secondary variable used for see page 61 communication with the Vijeo Citect components DATA_ST_DDT This structure contains the data to be aggregated from the Boiler block Refer to DATA_ST_DDT see page 20 STATUS_ST_DDT This structure contains the block control and status data Parameter Type Description InstEgy REAL Instantaneous energy TotalEgyDint DINT Total energy in Wh This is used for trend tags ThermalOutputDint DINT Total energy value in local units for trend tags LastEgySampleDint DINT Last energy values for the set sample time This information is used for trend tags STW WORD Status word CFGW WORD Configuration word 60 EI00000001981 05 2014 Boiler DFB BOILER_CFG_DDT This structure contains the additional status data Parameter Type Description Temperature REAL Temperature of the steam input Pressure REAL Pressure of the steam output EnthalpyS REAL Enthalpy of steam EnthalpyW REAL Enthalpy of water MFR REAL Mass flow rate SampleEgy Array 0
66. ula Energy CV Mass flow rate kcal kg kg hr kcal hr kWh E100000001981 05 2014 25 Gas Energy DFB DFB Representation Representation The following figure represents the Gas DFB EnableDFB InstEgy MassFlowRateCalc ThermalOutput K VolumeFlowRateCalc TotalEgy Temperature LastEgySample Pressure Health Fail Data_ST _ Data_ST GASO_ST GASO_ ST GASO_CFG GASO_CFG 26 E100000001981 05 2014 Gas Energy DFB Inputs Input Parameter Description Parameter Type Description EnableDFB BOOL Enables the DFB MassFlowRateCalc REAL Calculated mass flow rate value received from mass flow meter VolumeFlowRateCalc REAL Calculated volumetric flow rate value received from the volumetric flow meter Temperature REAL Temperature of the gas measured from the field Pressure REAL Pressure of the gas measured from the field Fail BOOL Any detected failure that is linked to this block This input will come from a CONDSUM block E100000001981 05 2014 27 Gas Energy DFB Outputs Output Parameter Description Parameter Type Description InstEgy REAL Instantaneous energy rate in kW In order to be in line with the ODVA standards the instantaneous energy value should not exceed 32767 kW ThermalOutput ARRAY 0 4 OF INT Instantaneo
67. um Fail Health ProcEnergy_ST ProcEnergy_ST ProcEnergy_CFG ProcEnergy_CFG EnergyAdv DFB E100000001981 05 2014 99 Advanced Process Energy DFB Inputs Input Parameter Description Parameter Type Description EnableDFB BOOL Enables the DFB Energy REAL The energy parameter coming from an accumulator is recording the overall instantaneous energy being utilized for the production parameter ProdValue REAL The instantaneous production value This can come from a weight transmitter of a reactor or any transmitter which is monitoring a production value Trigger BOOL The trigger input is to be a pulsed input to be given after the shift is over This will reset the total energy and will give the energy deviation for that particular shift from the modeled energy ProcActive BOOL Takes the health of the Process that is being monitored If the process is healthy the block requires an input of 1 and will calculate the energy values Fail BOOL Any detected failure that is linked to the block This input will come from a CONDSUM Block 100 E100000001981 05 2014 Advanced Process Energy DFB Outputs Output Parameter Description Parameter Type Description EnergyIntensity REAL The energy consumed to produce a unit of product TargetEnergy REAL This is the energy that is modeled by you
68. us energy in local units TotalEgy ARRAY 0 4 OF INT Total energy consumed in Wh LastEgySample ARRAY 0 4 OF INT Energy consumed in the last sample time in Wh Health BOOL Indicates the health of the block e Health 0 energy of the block is not aggregated Health 1 energy of the block is aggregated 28 E100000001981 05 2014 Gas Energy DFB Inputs Outputs Input Output Parameter Description Parameter Type Description Data_ST DATA_ST_DDT This DDT pin is connected between the DFB and the see page 29 Aggregator block for aggregation of energy values GasO_ ST STATUS_ST_DDT This is the primary variable used for communication with the see page 29 Vijeo Citect components GasO_CFG GAS_CFG_DDT This is the secondary variable used for communication with see page 29 the Vijeo Citect components DATA_ST_DDT This structure contains the data to be aggregated from the Gas block Refer to DATA_ST_DDT see page 20 STATUS_ST_DDT This structure contains the block control and status data Parameter Type Description InstEgy REAL Instantaneous energy TotalEgyDint DINT Total energy in Wh This is used for trend tags ThermalOutputDint DINT Total energy value in local units for trend tags LastEgySampleDint DINT Last energy values for the set sample time This information is used for trend tags STW WORD Status word CFGW
69. uts Input Output Parameter Description Parameter Type Description Data_ST DATA_ST_DDT This DDT pin is connected between the DFB and see page 38 the Aggregator block for aggregation of energy values Elec ST STATUS_ST_DDT This is used for communication with Vijeo Citect see page 38 components Elec_CFG ELEC_CFG_DDT This is the secondary variable used for see page 39 communication with the Vijeo Citect components DATA_ST_DDT This structure contains the data to be aggregated from the Electric block Refer to DATA_ST_DDT see page 20 STATUS_ST_DDT This structure contains the block control and status data Parameter Type Description InstEgy REAL Instantaneous energy TotalEgyDint DINT Total energy in Wh This is used for trend tags ThermalOutputDint DINT Total energy value in local units for trend tags LastEgySampleDint DINT Last energy values for the set sample time This information is used for trend tags STW WORD Status word CFGW WORD Configuration word 38 E100000001981 05 2014 Voltage Current and Power Electrical DFB ELEC_CFG_DDT This structure contains the block control and status data Parameter Type Description VoltagePhasel REAL Phase 1 measured voltage VoltagePhase2 REAL Phase 2 measured voltage VoltagePhase3 REAL Phase 3 measured voltage CurrentP

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