RTS DV-3400 Instruction Manual

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MANUAL NO. 34
SOFTWARE VERSION
1.31 and HIGHER
Model ETR-3400
AUTOMATIC TUNING 1/32 DIN
SMARTER LOGIC
®
Controller
INSTRUCTION MANUAL
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Summary of Contents

Page 1 - INSTRUCTION MANUAL

MANUAL NO. 34SOFTWARE VERSION1.31 and HIGHERModel ETR-3400AUTOMATIC TUNING 1/32 DINSMARTER LOGIC®ControllerINSTRUCTION MANUALSMARTERSMARTERLOGICLOGICL

Page 2 - Manual Use

Power OnPower OnAll segments of display andindicators are left off for 0.5second.All segments of display andindicators are left off for 0.5second.All

Page 3 - CONTENTS

Chapter 6 CalibrationChapter 6 CalibrationDo not proceed through this section unless there is a definite need tore-calibrate the controller. Otherwise

Page 4 - 1 1 Features

Press scroll key until the display shows . Send a 60mV signalto terminals 10 and 11 in correct polarity . Press the scroll key for atleast 3 seconds .

Page 5 - PID + FUZZY CONTROL

Perform step 9 to calibrate of compensation, ifrequired. The DIP switch is set for T/C input.offset cold junctionPerform step 9 to calibrate of compen

Page 6

Perform step 1 stated above , then press the scroll key until the displayshows . Apply up/down key until value 0.0 is obtained. Pressscroll key for at

Page 7

O1O2A1FChapter 7 Error Codes & TroubleshootingChapter 7 Error Codes & Troubleshooting104This procedure requires access to the circuitry of a l

Page 8 - Access Hole

Table 7.1 Error Codes and Corrective ActionsTable 7.1 Error Codes and Corrective ActionsErrorCodeDisplaySymbolError DescriptionCorrective ActionIllega

Page 9

Table 7.2 Common Failure Causes and Corrective ActionsTable 7.2 Common Failure Causes and Corrective ActionsSymptomProbable Causes Corrective Actions1

Page 10 - Power OnPower On

Chapter 8 SpecificationsChapter 8 SpecificationsPowerInput 1Input 1Input 2Input 2Input 3 (Event Input )Input 3 (Event Input )90 264 VAC, 47 63 Hz, 15V

Page 11

108Triac ( SSR ) OutputTriac ( SSR ) OutputRating :Inrush Current :Min. Load Current :Max. Off-state Leakage :Max. On-state Voltage :Insulation Resist

Page 12 - 1 6 System Modes

Environmental & PhysicalEnvironmental & PhysicalOperating Temperature:Storage Temperature:Humidity:Insulation Resistance:Dielectric Strength:V

Page 13 - Basic Function Mode

PV ValueSV ValueUserMenuUserMenuSetupMenuSetupMenuHand (Manual)ControlModeHand (Manual)ControlModeAuto-tuningModeAuto-tuningModeDisplayModeDisplayMode

Page 14

A 1 Menu Existence CoditionsA 1 Menu Existence CoditionsMenu Existence Conditions TableMenu Existence Conditions TableMenuParameterNotationParameterNo

Page 15

MenuParameterNotationParameterNotationExists unconditionallyExists unconditionallyFUNCExists if FUNC selects FULLExists if FUNC selects FULLExists if

Page 16

MenuParameterNotationParameterNotationExists unconditionallyExists unconditionallyExists unconditionallyExists unconditionallyExists if A1FN is not NO

Page 17

Parameter DescriptionParameter DescriptionRangeDefaultValueDefaultValueParameterNotationParameterNotationDisplayFormatDisplayFormatCurrent Error CodeE

Page 18 - (1832.0 F)

RangeDefaultValueDefaultValueHOURHRLOERR1ERR2DELIBPL1BPL2Working Hour ValueFractional Hour ValueHistorical Error Record 1Historical Error Record 2ASCI

Page 19

Abosolute zero: The lowest theoretical temperature. Atabsolute zero, a body would have no molecular motionof heat energy. Absolute zero is the zero po

Page 20

Celsius: (Centigrade) A temperature scale with 0 Cdefined as the ice point and 100 C as the boiling pointof water at sea level.Celsius: (Centigrade) A

Page 21 - 2 1 Unpacking

emf: Electromotive force. A rise in (electrical) potentialenergy. The principal unit is the volt.emf: Electromotive force. A rise in (electrical) pote

Page 22 - 2 3 Wiring Precautions

Junction: A thermocouple junction is the point at whichtwo alloys are joined. A typical thermocouple circuitwould have a measuring and a reference jun

Page 23 - 2 4 Power Wiring

Proportional control mode: When process temperatureapproaches set point and enters the proportional band,the output is switched on and off at the esta

Page 24

1 6 System ModesThe controller performs a closed loop control mode under its normal control modeoperation. The controller will maintain its normal

Page 25

120RFI: Radio frequency interference.RFI: Radio frequency interference.RS232 or RS485 output signal: A serial interface suitablefor connection between

Page 26 - 2 8 Linear DC Input Wiring

Volt: The (electrical) potential difference between twopoints in a circuit. The fundamental unit is derived aswork per unit charge (V=W/Q). One volt i

Page 27

A 4 IndexA 4 IndexA1DV: 11, 13, 18, 47, 48, 50, 51, 53A1FN: 11, 16, 17, 20, 42, 43, 47, 48,49, 50, 51, 52, 53, 70, 83, 86, 90,91, 94, 95, 105A1FT: 11,

Page 28 - DIN Rail

Features: 3, 4, 79, 80FILT: 11, 17, 40, 78, 80, 81, 83Flow: 4, 11, 61, 62Freezer: 54, 88, 90FUNC: 9, 11, 13, 40, 73, 74, 76, 77,79, 80, 83, 86, 87, 89

Page 29 - 2 10 Event Input wiring

PVHI: 9, 11, 19, 66PV1: 3, 11, 20, 40, 41, 55, 56, 66, 7475, 78, 80, 83, 92, 93, 94, 95, 99105, 108PV1 shift: 3, 13, 40, 55PV2: 11, 17, 19, 20, 48, 52

Page 30 - 2 11 Output 1 Wiring

SP1TIMEA1SPA1DVA2SPA2DVRAMPOFSTREFCSHIFPB1TI1TD1CPBSP2PB2TI2TD2O1HYA1HYA2HYPL1UserMenuPL2FUNCSetupMenuSetupMenuCOMMPROTBAUDDATAPARISTOPAOFNAOLOAOHIIN1

Page 31 - Main Supply

OUT2O2TYCYC2O2FTA1FNA1MDA1FTA2FTA2FNA2MDEIFNSELFSLEPPVMDFILTSP2FDISFSPMDSP1LSP1HSEL1SEL2SEL3SEL4SEL5AD0ADGV1GCJTLMA2GV2GCJGREF1SR1MA1GPVHIPVLOMV1MV2DV

Page 32 - 2 12 Output 2 Wiring

WARRANTYRETURNSProduct returns cannot be accepted without a completed Return Material Authorization ( RMA ) form.Product returns cannot be accepted wi

Page 33

Printed in USA 200464 West Seegers RoadArlington Heights, IL 60005(847) 593-8050~FAX(847)593-8062Www.ogdenmfg.comOgden Manufacturing Co. 2004Ogden, S

Page 34 - 2 13 Alarm 1 Wiring

Table 1.4 Parameter DescriptionParameterDescriptionParameterDescriptionRangeDefaultValueDefaultValueContainedinContainedinBasicFunctionBasicFunctionPa

Page 35 - Mains Supply

:::::::::::BAUDDATAPARISTOPAOFNBaud Rate of Digital COMMData Bit count of DigitalCOMMParity Bit of Digital COMMStop Bit Count of DigitalCOMMAnalog Out

Page 36 - 2 15 RS-4852 15 RS-485

Low:Low:High:High:IN2UDP2IN2LIN2HIN2 Unit SelectionIN2 Decimal Point SelectionIN2 Low Scale ValueIN2 High Scale Value-19999-199994553645536Same as IN1

Page 37 - 2 16 RS-2322 16 RS-232

45670 - 20 mA current module0 - 1V voltage module0 - 5V voltage module1 - 5V voltage module80 - 10V voltage module:::::CYC1O1TYOutput 1 Cycle Time100.

Page 38

ParameterDescriptionParameterDescriptionRangeDefaultValueDefaultValueContainedinContainedinBasicFunctionBasicFunctionParameterNotationParameterNotatio

Page 39 - Calibrator

::SP2FDISFFormat of set point 2 ValueDisplay Format01set point 2 (SP2) is an actual valueset point 2 (SP2) is a deviationvalue0::::::SPMD Set point Mo

Page 40 - 3 1 Input 13 1 Input 1

ParameterDescriptionParameterDescriptionRangeDefaultValueDefaultValueContainedinContainedinBasicFunctionBasicFunctionParameterNotationParameterNotatio

Page 41

2Warning SymbolManual UseThis Symbol calls attention to an operating procedure or practice which if not correctly performed oradhered to, could result

Page 42

Table 1.5 Input ( IN1 or IN2 ) RangeTable 1.6 Range Determination for A1SPTable 1.8 Range Determination for SP2Table 1.7 Range Determination for A2SP

Page 43 - ON-OFF Control

Chapter 2 InstallationChapter 2 Installation2 2 Mounting2 1 UnpackingUpon receipt of the shipment remove the unit from the carton and inspect th

Page 44 - Figure 3.3 Cool Only

2 3 Wiring PrecautionsBefore wiring, verify the label for correct model number and options. Switchoff the power while checking.Care must be taken t

Page 45

2 4 Power WiringThe controller can operate at 11-26 VAC / VDC or 90-264VAC.Checkthat the installation voltage corresponds with the power rating in

Page 46

2 5 Sensor Installation GuidelinesProper sensor installation can eliminate many problems in a control system.The probe should be placed so that it

Page 47

2 6 Thermocouple Input Wiring+Figure 2.5Thermocouple Input WiringFigure 2.5Thermocouple Input WiringThe color codes used on the thermocouple extens

Page 48

2 7 RTD Input Wiring2 8 Linear DC Input WiringFigure 2.6RTD Input WiringFigure 2.6RTD Input WiringDC linear voltage and linear current connect

Page 49

Figure 2.9Input 2 Linear Voltage WiringFigure 2.9Input 2 Linear Voltage WiringFigure 2.10Input 2 Linear Current WiringFigure 2.10Input 2 Linear Curren

Page 50

2 9 CT / Heater Current Input WiringCT94 112++DIN RailFuseMainsupplyMainsupplyHeater 1Heater 2Heater 3Figure 2.11CT Input Wiring forSingle Phase H

Page 51

2 10 Event Input wiringOpen CollectorInputOpen CollectorInputSwitch Input+Figure 2.13Event Input WiringFigure 2.13Event Input WiringThe event input

Page 52 - Break Alarm

3CONTENTSChapter 1 OverviewPage No Page NoChapter 2 Installation2-1 Unpacking -----------------------------------------------2-2 Mounting ------------

Page 53 - Break Sources

2 11 Output 1 Wiring120V/240VMain Supply120V/240VMain SupplyMax. 2AResistiveMax. 2AResistiveLoadRelay Output Direct DriveRelay or Triac (SSR)Output

Page 54 - 315SP1Range3 15 SP1 Range

0 - 1V, 0 - 5V1 - 5V, 0 - 10V0 - 1V, 0 - 5V1 - 5V, 0 - 10VLinear VoltageLinear CurrentMaximum Load 500 ohmsMinimum Load 10 K ohmsMax. 1A / 240VLoadT

Page 55 - 316PV1Shift3 16 PV1 Shift

2 12 Output 2 Wiring120V/240VMain Supply120V/240VMain SupplyMax. 2AResistiveMax. 2AResistiveLoadRelay Output Direct DriveRelay or Triac (SSR)Outpu

Page 56

0 - 1V, 0 - 5V1 - 5V, 0 - 10V0 - 1V, 0 - 5V1 - 5V, 0 - 10VLinear VoltageLinear CurrentMaximum Load 500 ohmsMinimum Load 10 K ohmsMax. 1A / 240VLoadT

Page 57

2 13 Alarm 1 Wiring120V/240VMain Supply120V/240VMain SupplyMax. 2AResistiveMax. 2AResistive5V DCRelay5V DCRelay5V DCRelay5V DCRelaySingle Phase Loa

Page 58

2 14 Alarm 2 Wiring2 14 Alarm 2 Wiring120V/240VMain Supply120V/240VMainSupplyMax. 2AResistiveMax. 2AResistiveLoadRelay Output Direct DriveRelay Output

Page 59 - Procedures:

2 15 RS-4852 15 RS-485TX1TX1TX1TX1TX2TX2TX2TX2Terminator220 ohms / 0.5WTerminator220ohms / 0.5WMax. 247 units can be linkedMax. 247 units can be linke

Page 60

TX1 TX2COMPC9-pinRS-232 port9-pinRS-232portCC94-112345891011671213142 16 RS-2322 16 RS-232Note:If the ETR-3400 is configured for RS-232 communication,

Page 61

2 17 Analog Retransmission2 17 Analog Retransmission++++++++LoadLoadLoadLoadLoadLoad0-20mA,4-20mA0 - 20mA,4- 20mA1-5V,0-5V0 - 10V1 - 5 V, 0 - 5V0- 10V

Page 62

2 18 Programming Port2 18 Programming PortSee Figure 1.3 in Section 1-3 to find the programming port location.See Figure 1.3 in Section 1-3 to find th

Page 63

Chapter 1 Overview1 1 FeaturesETR-3400 Fuzzy Logic plus PID microprocessor-based controller, incorporates a bright,easy to read 4-digit LED display

Page 64

This unit provides a useful function parameter "FUNC", this is used to selectthe Function Complexity Level before setup. If the Basic Mode (

Page 65 - Exception

IN1LIN1HIN1L : Selects the low scale value for the Linear type input 1.T/C or RTD type is selected for IN1.Hidden if :IN1L : Selects the low scale val

Page 66

3 3 Rearrange User Menu3 3 Rearrange User Menu3 4 Display SV Instead of PV3 4 Display SV Instead of PVThe ETR-3400 has the flexibility to provide sele

Page 67 - Operation

3 5 Heat Only Control3 5 Heat Only ControlHeat Only ON-OFF Control : Select REVR for OUT1, Set PB1 to 0, SP1 is usedto adjust set point value, O1HY is

Page 68 - Terminals:

3 6 Cool Only Control3 6 Cool Only ControlON-OFF control, P (PD) control and PID control can be used for cool control.Set OUT1 to DIRT (direct action)

Page 69 - Availability

3 7 Heat-Cool Control3 7 Heat-Cool ControlThe Heat-Cool Control can use one of combinations of control modes. Setup of parameters for each controlmode

Page 70

46CPB Programming : The cooling proportional band is measured by % of PB with range 1~255. Initially set 100% forCPB and examine the cooling effect. I

Page 71

3 8 Dwell Timer3 8 Dwell TimerSP1PVTimeONOFFA1 or A2TimeTimeTIMETimer startsFigure 3.4 Dwell Timer FunctionFigure 3.4 Dwell Timer FunctionIf alarm 1 i

Page 72

3 9 Process Alarms3 9 Process AlarmsThere are at most two independent alarms available by adjusting OUT2. IfAL2 is selected for OUT2, then OUT2 will p

Page 73 - Error MessageError Message

205195205195205205205195195195ONFigure 3.6Latching Process AlarmFigure 3.6LatchingProcess AlarmA1SP = 200 A1HY = 10.0A1MD = LTCH A1FN = PV1.HA1SP = 20

Page 74

Although PID control has been used and proved to be an efficient controlling methodby many industries, PID tuning is difficult to deal wit, some sophi

Page 75

3 10 Deviation Alarm3 10 Deviation AlarmA1FN = DE.HI, A1MD = NORM, SP1 = 100, A1DV=10, A1HY=4A1FN = DE.HI, A1MD = NORM, SP1 = 100, A1DV=10, A1HY=4A1FN

Page 76

3 11 Deviation Band Alarm3 11 Deviation Band AlarmExamples:9595959595959595959595959595959595100100100100100100100100100100100100100100100100100105105

Page 77

3 12 Heater Break Alarm3 12 Heater Break AlarmA current transformer (part No. ) should be installed to detect theheater current if a heater break alar

Page 78

3 13 Loop Break Alarm3 13 Loop Break AlarmA1FN selects LB if alarm 1 is required to act as a loop break alarm. Similarly, ifalarm 2 is required to act

Page 79 - Setup MenuSetup Menu

315SP1Range3 15 SP1 Range3 14 Sensor Break Alarm3 14 Sensor Break AlarmSP1L ( SP1 low limit value ) and SP1H ( SP1 high limit value ) in setup menuare

Page 80

316PV1Shift3 16 PV1 Shift165 F 165 F 200 FF F FHeatTransferHeatTransferHeatTransfer200 F 200 F 235 FSensor Sensor SensorSubject Subject SubjectHeater

Page 81

3 17 Failure Transfer3 17 Failure TransferThe controller will enter as one of the following conditions occurs:1. occurs (due to the input 1 sensor bre

Page 82

3 18 Bumpless Transfer3 18 Bumpless TransferThe bumpless transfer function is available for output 1 and output 2 (providedthat OUT2 is configured as

Page 83 - Key menu:Key menu:

3 19 Self tuning3 19 Self tuningSelf-tune MenuSelf-tune MenuSelectsDisable Self-tuningDisable Self-tuningEnable Self-tuningEnable Self-tuningor58The S

Page 84

3 20 Auto tuning3 20 Auto tuningThe auto-tuning process is performed at set point.The process will oscillate around the set point during tuning proces

Page 85

Warm UpLoad DisturbancePID tuned controllerPID + Fuzzy controlSet pointTemperatureTimeFigure 1.2 Fuzzy PIDEnhances ControlStabilityFigure 1.2 Fuzzy PI

Page 86

Auto-tuningBeginsAuto-tuningBeginsAuto-tuningBeginsAuto-tuningBeginsAuto-tuningCompleteAuto-tuningCompleteAuto-tuningCompleteAuto-tuningCompletePID Co

Page 87

3 21 Manual Tuning3 21 Manual TuningENDDoesthe processoscillate ?Doesthe processoscillate ?Doesthe processoscillate ?Issteady statereached ?Issteady s

Page 88

The PBu is called the and the period of oscillation Tu is calledthe in the flow chart of Figure 3.23 . When this occurs, theprocess is called in a . F

Page 89 - Key MenuKey Menu

PVTimeI actionI actionPerfectTI too lowTI too lowTI too highTI too highSet pointSet pointPVTimeD actionD actionPerfectTD too highTD too highTD too low

Page 90 - Figure 5.8Figure 5.8

3 22 Signal Conditioner DC Power Supply3 22 Signal Conditioner DC Power SupplyThree types of isolated DC power supply are available to supply an exter

Page 91 - Figure 5.11Figure 5.11

3 23 Manual Control3 23 Manual ControlThe manual control may be used for the following :purposesThe manual control may be used for the following :purp

Page 92 - Figure 5.12Figure 5.12

3 24 Display Mode3 24 Display ModeOperationPress several times until (Display) appears on the display.Then press to enter the display mode. You can se

Page 93

3 25 Heater Current Monitoring3 25 Heater Current Monitoring3 26 Reload Default Values3 26 Reload Default ValuesA current transformer, CT94-1, should

Page 94 - Figure 5.15Figure 5.15

Chapter 4 Programming the Full FunctionChapter 4 Programming the Full Function4 1 Event Input4 1 Event Input68Refer to Section 2-10 for wiring an even

Page 95 - Figure 5.16Figure 5.16

4 2 Second Set Point4 2 Second Set PointIn certain applications it is desirable to change the set point automaticallywithout the need to adjust the se

Page 96 - 5 10 RS-4855 10 RS-485

AccessoriesCT94-1 = 0 - 50 Amp. AC Current TransformerOM95-3 = Isolated 4 - 20 mA / 0 - 20 mA Analog Output ModuleOM95-4 = Isolated 1 - 5V / 0 - 5V A

Page 97 - Setup Setup MenuSetup Menu

4 3 Second PID Set4 3 Second PID SetIn certain applications the process characteristics are strongly related to theprocess value. The ETR-3400 provide

Page 98 - 5 11 RS-2325 11 RS-232

Select TIMR for A1FN, IN1U selects F, DP1 selects NODP, Set TIME=30.0SP1 is set to 400 F initially, and corrected to 200 F before the processreaches 2

Page 99 - ETR-3400 ETR-3400

72Once the timer output was energized it will remain unchanged until powerOnce the timer output was energized it will remain unchanged until powerNote

Page 100

4 5 Remote Set Point4 5 Remote Set PointSPMD selecting PV1 or PV2 will enable the ETR-3400 to accept a remote setpoint signal. If PV1 is selected for

Page 101 - 100 ohms

744 6 Differential Control4 6 Differential ControlIn certain applications it is desirable to control a second process such that itsprocess value alway

Page 102

4 7 Output Power Limits4 7 Output Power LimitsIn certain systems the heater (or cooler) is over-designed such that theprocess is too heavily heated or

Page 103

764 8 Data Communication4 8 Data CommunicationTwo types of interface are available for Data Communication. These areand interface. Since RS-485 uses a

Page 104 - ETR-3400

4 9 Analog Retransmission4 9 Analog RetransmissionThe Analog Retransmission is available for model number ETR-3400-XXXXXNThe Analog Retransmission is

Page 105

784 10 Digital Filter4 10 Digital FilterIn certain applications the process value is too unstable to be read. Toimprove this, a programmable low pass

Page 106

4 11 Sleep Mode4 11 Sleep ModeFUNC selects FULL to provide full function.SLEP selects YES to enable the sleep mode.Press for 3 seconds, the

Page 107

Figure 1.3 Access HoleOverviewFigure 1.3 Access HoleOverviewTable 1.1 DIP SwitchConfigurationTable 1.1 DIP SwitchConfigurationTC, RTD, mV0-1V, 0-5V,

Page 108 - Fuzzy logic modified

804 12 Pump Control4 12 Pump ControlPump Control function is one of the unique features of the ETR-3400. Usingthis function, the pressure in a process

Page 109

Programming Guide:Programming Guide:1. Perform auto-tuning to the system under such a condition that the material(i.e. pressure) is exhausted at typic

Page 110

5 1 Pump / Pressure Control5 1 Pump / Pressure ControlA regulated water supply system is widely used in residence, water plant,chemical plant, electri

Page 111

Set the following parameters in the setup menu:Set the following parameters in the setup menu:FUNC=FULLCOMM: optionalIN1=4-20IN1U=PUDP1=2-DPIN1L=0IN1H

Page 112

5 2 Variable Period Full Wave SSR (VPFW SSR)5 2 Variable Period Full Wave SSR (VPFW SSR)VPFW SSR is a variable period full wave solid-state relay. It

Page 113

The advantages of VPFW SSR over conventional SSR are summarized asfollowing table:The advantages of VPFW SSR over conventional SSR are summarized asfo

Page 114

5 3 Heat Only Control5 3 Heat Only ControlHeat Control ExampleHeat Control ExampleFigure 5.5Figure 5.5To achieve this function set the following param

Page 115 - A 3 GlossaryA 3 Glossary

5 4 Cool Only Control5 4 Cool Only ControlAn ETR-3400 is used to control a refrigerator at temperature below 32 F. Toavoid the set point adjustmen

Page 116

5 5 Heat-Cool Control5 5 Heat-Cool ControlAn injection mold needs to be controlled at 120 F to ensure a consistentquality for the parts. An oil pipe

Page 117

The PID Heat-Cool is used for the preceeding example.The PID Heat-Cool is used for the preceeding example.The ETR-3400 is designed without heating-coo

Page 118

Alarm 1IndicatorAlarm 1IndicatorOutput 2IndicatorOutput 2Indicator3 Silicone Rubber Buttonsfor ease of control setupand set point adjustment.3 Silicon

Page 119

5 6 Ramp&Dwell5 6 Ramp & DwellExample 1: Temperature cycling ChamberExample 1: Temperature cycling ChamberEIFN=SP.P2A1FN=TIMROUT1=REVR, Relay

Page 120

60 minutes60 minutes 60 minutes60 minutes60 F60 F 60 F60 F5 minutes5 minutes30minutes30minutes35minutes35minutes65 minutes65 minutes-10 F-10 F -10 F-1

Page 121

O1O2A1FO1O2A1FO1O2A1F5 7 Remote Set Point5 7 Remote Set PointAn on-line multiple zone oven is used to dry paint. Since heat demand isvarious at differ

Page 122 - A 4 IndexA 4 Index

5 8 Differential Control5 8 Differential ControlIn certain applications controlling a second process such that its processvalue always deviates from t

Page 123

5 9 Dual Set Point / PID5 9 Dual Set Point / PIDThe ETR-3400 will switch between the two PID sets based on the processvalue, the set point or either o

Page 124

A heat treating furnace is required to harden the mold at a hightemperature (1000 F) for 30 minutes, then the mold is cooled down with aprogrammable r

Page 125

5 10 RS-4855 10 RS-485A making plant has 5 production lines. Each production line isequipped with 16 units of ETR-3400 to control the temperature for

Page 126

Enter the setup mode to configure each ETR-3400. Choose FULL for FUNC,485 for COMM, RTU for PROT and select an unequal address (ADDR) for eachunit. Us

Page 127 - WARRANTY

5 11 RS-2325 11 RS-232Suppose a chemical experiment is performed in a laboratory. An engineerdesires to find the relation between a chemical reaction

Page 128 - Printed in USA 2004

5 12 Retransmit5 12 RetransmitAn air-conditioned room uses two units of an ETR-3400 to control itstemperature and humidity. The temperature and humidi

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