Spectrum-controls 1756sc-IF8u Uživatelský manuál

CONTROLLOGIX™UNIVERSAL ANALOG INPUT MODULECatalog Number: 1756sc-IF8uOwner’s Guide 0300191-04 Rev. A

x ControlLogix™ Universal Analog Input ModulesConfiguration, Data,and Status Tags37Send Configuration Data to the Module...

88 ControlLogix™ Universal Analog Input Moduleto 14.4% chromium, 1.3 to 1.6% silicon, plus small amounts (usually notexceeding about 0.1%) of other el

Appendix B: Thermocouple Descriptions 89The performance of type N thermocouples fabricated in metal-sheathed,compacted ceramic insulated form also has

90 ControlLogix™ Universal Analog Input ModuleReferences[1] Preston-Thomas, H. The International Temperature Scale of 1990(ITS-90). Metrologia 27,

Appendix B: Thermocouple Descriptions 91[14] Potts, J. F. Jr.; McElroy, D. L. The effects of cold working, heattreatment, and oxidation on the therm

92 ControlLogix™ Universal Analog Input Module[24] Glawe, G. E.; Szaniszlo, A. J. Long-term drift of some noble- andrefractory-metal thermocouples a

Appendix B: Thermocouple Descriptions 93[33] McLaren, E. H.; Murdock, E. G. Properties of some noble and basemetal thermocouples at fixed points in

94 ControlLogix™ Universal Analog Input Module[46] Burley, N. A.; Hess, R. M.; Howie, C. F. Nicrosil and nisil: newnickel-based thermocouple alloys

Appendix B: Thermocouple Descriptions 95[57] Bentley, R. E. The new nicrosil-sheathed type N MIMSthermocouple: an assessment of the first productio

96 ControlLogix™ Universal Analog Input Module

Using Grounded Junction,Ungrounded Junction, and ExposedJunction ThermocouplesThis appendix describes the types of thermocouples available, and explai

Table of Contents xiUsing GroundedJunction,UngroundedJunction, andExposed JunctionThermocouples 97Thermocouple Types...

98 ControlLogix™ Universal Analog Input ModuleThe illustration that follows shows each of the three (3) thermocoupletypes.Grounded JunctionExtension W

Appendix B: Using Grounded Junction, Ungrounded Junction, and Exposed Junction Thermocouples 99For grounded junction thermocouples it is recommended t

100 ControlLogix™ Universal Analog Input ModuleExposed Junction ThermocouplesAs shown in the illustration that follows, using exposed junctionthermoco

Programming Your ModuleThis chapter explains how program your module in the ControlLogixsystem. It also describes how to the module’s input configura

102 ControlLogix™ Universal Analog Input Module1. Open your project and go to the “Add I/O module” menu undercontroller configuration.2. You will now

Appendix D: Installing the module using a Generic Module profile 103Owner Controller Connection (Controller provides configuration)Listen-only control

104 ControlLogix™ Universal Analog Input Module4. Specify an RPI interval between 10.0 and 750.0 ms:

Getting TechnicalAssistanceIf you need technical assistance, please review the information in Chapter6, “Testing Your Module,” before calling your loc

©2002-2011 Spectrum Controls, Inc. All rights reserved. Specifications subject to change without notice.The Encompass logo andControlLogix are tradem

xii ControlLogix™ Universal Analog Input Modules

Module OverviewThis chapter describes the universal analog input module and explains howthe ControlLogix controller reads analog input data from the m

2 ControlLogix™ Counter ModuleDetailedSpecificationsInput RangesThe following tables provide compatibility information on the supportedthermocouple ty

Chapter 1: Module Overview 3Table 1.3 Millivolt Input RangesStated Actual-50 to +50 mV (-75 to +75 mV)-150 to +150 mV (-175 to +175 mV)0 to +5.0 V (-0

4 ControlLogix™ Counter ModuleTable 1.6 Hardware FeaturesHardware FunctionOK LED Displays communication and fault status of the moduleCal LED Displays

Chapter 1: Module Overview 5Table 1.6 Hardware FeaturesHardware FunctionOK LED Displays communication and fault status of the moduleCal LED Displays a

6 ControlLogix™ Counter ModuleCompatibility withThermocouple,Current, and MillivoltDevices & CablesThe module is compatible with the following sta

Chapter 1: Module Overview 7Table 1.8 Cable SpecificationsDescription Belden #9501 Belden#9533 Belden#83503For 2-wire RTDs and 3-wire RTDs and 3-wire

8 ControlLogix™ Counter Module

Installing And Wiring Your ModuleRead this chapter to install and wire your module. This chapter covers:• avoiding electrostatic damage• determining p

10 ControlLogix™ Universal Analog Input ModulePowerRequirementsThe module receives its power through the ControlLogix chassisbackplane from the fixed

Chapter 2: Installing And Wiring Your Module 11Preventing Electrostatic DischargeThis module is sensitive to electrostatic discharge.AAAAATTENTION:TTE

12 ControlLogix™ Universal Analog Input ModuleEN 61010-1 and EN 61131-2, EN61000-6-2:2001, EN61000-6-4:2001EN61010-1:2001This product is intended for

Chapter 2: Installing And Wiring Your Module 13To insert your module into the rack, follow these steps:1. Align the circuit board of your module with

14 ControlLogix™ Universal Analog Input ModuleFigure 2.2. Terminal block diagram with keyingWiring Your ModuleFollow these guidelines to wire your inp

Chapter 2: Installing And Wiring Your Module 15• Keep all unshielded wires as short as possible.• To limit overall cable impedance, keep input cables

16 ControlLogix™ Universal Analog Input Module- connect to mV devices keeping the leads shortImportant: If noise persists, try grounding the opposite

Chapter 2: Installing And Wiring Your Module 17Wiring Voltage/Current Inputs theIF8u ModuleVoltage inputs use the terminal block pins labelled IN+ and

Important Notes1. Please read all the information in this owner’s guide before installingthe product.2. The information in this owner's guide app

18 ControlLogix™ Universal Analog Input ModuleWiring RTD orResistance Sensorsto the IF8u ModuleThe IF8u module supports two, three, and four wire RTDs

Chapter 2: Installing And Wiring Your Module 19RTD Type Current Source V/°C100Ω Pt 385 1.008mA 357µV/°C200Ω Pt 385 1.008mA 714µV/°C500Ω Pt 385 252µA 4

!WiringThermocouples tothe IF8u ModuleOne end of thermocouple to IN+Other end of thermocouple to IN-Thermocouple InputsEXC+IN+IN-iRTNCJC SensorsTC +TC

22 ControlLogix™ Universal Analog Input Module

Chapter 3: Operation within the System 23Operation Within theControlLogix SystemThis chapter describes how the 1756sc-IF8u an

24 ControlLogix™ Universal Analog Input Module2. If the I/O configuration data references a module in a remote chassis,run RSNetWorx.Important: RSNetW

Chapter 3: Operation within the System 25This configurable parameter instructs the module to perform thefollowing operations:

26 ControlLogix™ Universal Analog Input ModuleThe “reserved” spot on the network and the module’s RTS areasynchronous to each other. This means there

Chapter 3: Operation within the System 27When the controllers begin downloading configuration data, both try toestablish a co

28 ControlLogix™ Universal Analog Input Module

Programming Your ModuleThis chapter explains how to program your module in the ControlLogixsystem. It also describes how the module’s input configura

30 ControlLogix™ Universal Analog Input Module1. Open the sample project with the IF8u information. Open yourproject. Drag and drop the IF8u module

Chapter 4: Programming Your Module 312. Drag and drop the IF8u user-defined data types from the sampleproject into your project.There are four IF8u us

32 ControlLogix™ Universal Analog Input Module3. Drag and drop the controller configuration tags from the sampleproject into your project.1. Right cli

Chapter 4: Programming Your Module 334. Create a new ladder logic routine in your project.1. In your project, right mouse click on the MainRoutine ite

34 ControlLogix™ Universal Analog Input ModuleConfiguring moduleattributes:Configuration TagsThe module has settings that are global and channel speci

Chapter 4: Programming Your Module 35Channel Specific TagsThese settings control channel specific behavior such as input type, range,filter frequency,

36 ControlLogix™ Universal Analog Input ModuleStatus TagsThese tags report module status such as alarm conditions, faults, anderrors.

Chapter 5: Channel Configuration, Data, and Status 37Choosing a Wiring Method The 1756-IF16 and 1756-IF8 modules support the following three wiringCon

PrefaceRead this preface to familiarize yourself with the rest of the owner’sguide. This preface covers:• who should use this guide• what this guide c

38 ControlLogix™ Universal Analog Input ModuleNote: If an invalid configuration is sent to the module a connection errorwill occur. See chapter 7 for

Chapter 5: Channel Configuration, Data, and Status 391: Temperatures for thermocouples, RTDs and the cold junctionthermistors will be displayed in deg

40 ControlLogix™ Universal Analog Input ModuleInput Type:Each input type has a specific settling time. Select each channel inputtype and add the time

Chapter 5: Channel Configuration, Data, and Status 41.RealTimeSample 10-30,000 ms INTThe time in milliseconds that updated input data is to be sent fr

42 ControlLogix™ Universal Analog Input ModuleAutomatic Calibration:Autocalibration is an automated input path calibration. This insures bestpossible

Chapter 5: Channel Configuration, Data, and Status 43Channel SpecificSettingsThe following settings allow you to configure individual channelparameter

44 ControlLogix™ Universal Analog Input ModuleTemperature Measurement:.RTD3Wire 0, 1 BOOL0 = Two wire RTD or resistor if RTD or resistor input type fo

Chapter 5: Channel Configuration, Data, and Status 45Rate AlarmThe rate alarm triggers if the rate of change between input samples foreach channel exc

46 ControlLogix™ Universal Analog Input Module.LAlarmLimit REALA low alarm will activate if the value of the scaled input is at or below thisvalue. I

Chapter 5: Channel Configuration, Data, and Status 47Current: EngineeringUnits value:3mA -6.25%4mA 0%12mA 50%20mA 100%21mA 106.25%Important: In choosi

vi ControlLogix™ Universal Analog Input Modules1756 Series ControlLogix Module Installation Instructions(Each module has separate document for install

48 ControlLogix™ Universal Analog Input ModuleThe module filter is a built-in feature of the Analog-to-Digital convertorwhich attenuates the input sig

Chapter 5: Channel Configuration, Data, and Status 49.DigitalFilter 0- 32767 ms INTThe time constant for a digital first order lag filter applied to t

50 ControlLogix™ Universal Analog Input ModuleInput TagsThe following fault and status reporting and module data sections allowmonitoring of faults, s

Chapter 5: Channel Configuration, Data, and Status 51.ModuleFaultsBelow are a collection of all module level fault bits. Bits are defined asfollows:0

52 ControlLogix™ Universal Analog Input ModuleChannel related status tags:The following channel related tags are preceded by the tag nameIF8U_Input.Ch

Chapter 5: Channel Configuration, Data, and Status 53.HHAlarmHigh high alarm bit which is set when the input signal moves above theconfigured high hig

54 ControlLogix™ Universal Analog Input Module.Ch6Data REALThe channel 6 input signal represented in engineering units. The inputsignal is measured a

Chapter 6: Ladder Program Examples 55Programming ExamplesEarlier chapters explained how the tag configuration defines the way themodule operates. Thi

56 ControlLogix™ Universal Analog Input ModuleFigure 5.1 Sample Ladder LogicRung 0 - This rung copies the configuration data (IF8u_Config) into themod

Chapter 6: Ladder Program Examples 57Rung 3 - This is an optional example rung indicating how to send on-the-fly configuration data to the module. Th

Preface viiCut-off frequency - The frequency at which the input signal is attenuated3 dB by the digital filter. Frequency components of the input sig

58 ControlLogix™ Universal Analog Input ModuleYou may use either the SetAttributeAll or the Module Reconfiguremessage.Set Attribute All message:Module

Chapter 6: Ladder Program Examples 59Rung 4: This rung describes how to unlatch process alarms.

60 ControlLogix™ Universal Analog Input Module

TroubleshootingUsing ModuleIndicators toTroubleshootThe universal analog I/O module has indicators which provide indication ofmodule status. ControlLo

62 ControlLogix™ Universal Analog Input ModuleThe following LED display is used with ControlLogix analog inputmodules:Using RSLogix 5000to Troubleshoo

Chapter 7: Testing Your Module 63Fault information on the properties screen.Determining Fault TypeWhen you are monitoring a module’s properties dialog

64 ControlLogix™ Universal Analog Input ModuleModuleConfiguration ErrorsThe “Additional Fault Code” value details the configuration error if the“(16#0

Chapter 8: Maintaining Your Module And Ensuring Safety 65Maintaining Your ModuleAnd Ensuring SafetyRead this chapter to familiarize yourself with:• pr

66 ControlLogix™ Universal Analog Input ModuleStanding Clear Of Machinery – When troubleshooting a problem withany ControlLogix system, have all perso

Chapter 8: Maintaining Your Module And Ensuring Safety 67WARNINGEXPLOSION HAZARDWHEN IN HAZARDOUS LOCATIONS, TURN OFFPOWER BEFORE REPLACING OR WIRING

viii ControlLogix™ Universal Analog Input ModulesStep response time – The time required for the A/D signal to reach 95%of its expected, final value, g

68 ControlLogix™ Universal Analog Input Module

Module SpecificationsThis appendix lists the specifications for the 1756sc-IF8u Universal analogInput Module.ElectricalSpecificationsBackplane Current

70 ControlLogix™ Universal Analog Input ModulePhysicalSpecificationsLED Indicators 1 red/green status indicators, 1 red calibration statusRecommended

Appendix A: Module Specifications 71Thermocouple Type B 300°C to 1820°C (572°F to 3308°F)Thermocouple Type N -210°C to 1300°C (-346°F to 2372°F)Thermo

72 ControlLogix™ Universal Analog Input ModuleRTD Conversion JIS C 1602-1997 for Pt 385JIS C 1604-1989 for Pt 3916SAMA RC21-4-1966 for the 10Ω Cu 426

Appendix A: Module Specifications 73resistance imbalance. The hardware and software errors includecalibration of the system, and non-linearity of the

74 ControlLogix™ Universal Analog Input ModuleCurrent Input, 0 to 20mA 0.05% FS, 0.1% FS 0.1% FS, 0.25% FSCurrent Input, 4 to 20mA 0.05% FS, 0.1% FS 0

Thermocouple DescriptionsThe following information was extracted from the NIST Monograph 175issued in January 1990, which supersedes the IPTS-68 Monog

76 ControlLogix™ Universal Analog Input Modulethe thermocouple usage. The total and specific types of impurities thatoccur in commercial iron change

Appendix B: Thermocouple Descriptions 77much as 40uV (or 0.6°C equivalent) per minute when first brought up totemperatures near 900°C.ASTM Standard E2

Table of ContentsPreface vWho Should Use This Guide ... vWhat This Gui

78 ControlLogix™ Universal Analog Input Modulehomogeneity of type KN thermoelements, however, was found [8] to benot quite as good as that of type EN

Appendix B: Thermocouple Descriptions 79(3.25mm) wire. It decreases to 1090°C for AWG 14 (1.63mm), 980°C forAWG 20 (0.81mm), 870 for AWG 24 or 28 (0.

80 ControlLogix™ Universal Analog Input Modulehelium temperatures (about 4°K) but that its Seebeck coefficient becomesquite small below 20°K. Its See

Appendix B: Thermocouple Descriptions 81supplied to meet the tolerances specified for temperatures above 0°C.However, the same materials may not satis

82 ControlLogix™ Universal Analog Input Modulestability of EP and EN type alloys when heated in air at elevatedtemperatures and his work should be con

Appendix B: Thermocouple Descriptions 83AWG 20 (0.81mm), 430°C for AWG 24 or 28 (0.51mm or 0.33mm), and370°C for AWG 30 (0.25mm). These temperature l

84 ControlLogix™ Universal Analog Input Module0°C and 1450°C. Type R thermocouples can be supplied to meet specialtolerances of +/-0.6°C or +/-0.1% (

Appendix B: Thermocouple Descriptions 85short periods of time. However, type B thermocouples are generally moresuitable for such applications above 1

86 ControlLogix™ Universal Analog Input Moduleweight percent increase in rhodium content; the Seebeck coefficientincreases by about 4% per weight per

Appendix B: Thermocouple Descriptions 87oxidizing atmosphere (air) but also has been used successfully in neutralatmospheres or vacuum by Walker et al