Watlow Series SD31 PID with Optional Countdown Timer Manual de usuario

0600-0041-0010 Rev. C Made in the U.S.A.January 2007 $15.00User’s ManualRegistered CompanyWinona, Minnesota USAISO 9001TOTAL3 Year WarrantyCUSCUSTOME

Watlow Series SD31 8 Chapter 2 Install and WireFigure 8a — 0 to 20 mA Process Input(all model numbers)• Input impedance 100 Ω, dc only• Controller

Watlow Series SD31 9 Chapter 2 Install and WireFigure 9a — Output 1 Switched DCSD31 - _ C _ _ - _ _ _ _ • Supply current 30 mAÎ (dc) maximum• Supp

çWarning:Use National Electric (NEC) orother country-specific standardwiring and safety practices whenwiring and connecting this con-troller to a powe

Watlow Series SD31 11 Chapter 2 Install and WireWhen choosing an EIA/TIA 232 to 485 converter, look forone with the following features:Two-wire ca

Watlow Series SD31 12 Chapter 2 Install and WireEthernet GatewayThe EM00-GATE-0000 is a bridge that allows upto 32 Watlow controllers to be direct

Watlow Series SD31 13 Chapter 2 Install and WireNotes:

Watlow Series SD31 14 Chapter 3 Keys and DisplaysKeys and Displays3Note: After 60 seconds with no key presses, the controller reverts to the Home

Watlow Series SD31 15 Chapter 3 Keys and DisplaysHome Page OverviewThe Home Page is the default display of the SeriesSD31 controller. The Home Pag

Watlow Series SD31 16 Chapter 3 Keys and DisplaysOperations Page Overview The Operations Page contains parameters accessed duringnormal day-to-day

Watlow Series SD31 17 Chapter 3 Keys and Displays[Ot`1] Output 1 Function[Ctr1] Control Method 1[Ftb1] Fixed Time Base 1[PL`1] Power Limit 1[PSL1]

Safety InformationWe use note, caution and warning symbols throughout this book to draw your attention toimportant operational and safety information.

Watlow Series SD31 18 Chapter 3 Keys and DisplaysFactory Page[AMb] Ambient Temperature[A;mn] Minimum Recorded Ambient Temperature[A;ma] Maximum Re

Watlow Series SD31 19 Chapter 4 HomeDisplay Parameter NameDescriptionSettings Range(Integer values for Modbus in parenthesis.)Default Modbus* (les

Watlow Series SD31 20 Chapter 4 HomeNote: Some values will be rounded off to fit in the four-character display. Full values can be read with Modbu

Watlow Series SD31 21 Chapter 5 SetupNote: Some values will be rounded off to fit in the four-character display. Full values can be read with Modb

Watlow Series SD31 22 Chapter 5 SetupDisplay Parameter NameDescriptionSettings Range(Integer values for Modbusin parentheses.)Default Modbus* (les

Watlow Series SD31 23 Chapter 5 SetupDisplay Parameter NameDescriptionSettings Range(Integer values for Modbusin parentheses.)Default Modbus* (les

Watlow Series SD31 24 Chapter 5 SetupDisplay Parameter NameDescriptionSettings Range(Integer values for Modbusin parentheses.)Default Modbus* (les

Watlow Series SD31 25 Chapter 5 SetupDisplay Parameter NameDescriptionSettings Range(Integer values for Modbusin parentheses.)Default Modbus* (les

Watlow Series SD31 26 Chapter 5 SetupDisplay Parameter NameDescriptionSettings Range(Integer values for Modbusin parentheses.)Default Modbus* (les

Watlow Series SD31 27 Chapter 5 SetupDisplay Parameter NameDescriptionSettings Range(Integer values for Modbusin parentheses.)Default Modbus* (les

Watlow Series SD31 1 Table of ContentsChapter 1: Overview . . . . . . . . . . . . . . . . . . . . . . . . . .2Chapter 2: Install and Wire . . .

Watlow Series SD31 28 Chapter 5 SetupDisplay Parameter NameDescriptionSettings Range(Integer values for Modbusin parentheses.)Default Modbus* (les

Watlow Series SD31 29 Chapter 6 OperationsNote: Parameters appear on the Operations Page only if activated from the Programming Page. See page 16

Watlow Series SD31 30 Chapter 6 OperationsDisplay Parameter NameDescriptionSettings Range(Integer values for Modbusin parentheses.)Default Modbus*

Watlow Series SD31 31 Chapter 6 OperationsDisplay Parameter NameDescriptionSettings Range(Integer values for Modbusin parentheses.)Default Modbus*

Watlow Series SD31 32 Chapter 6 OperationsDisplay Parameter NameDescriptionSettings Range(Integer values for Modbusin parentheses.)Default Modbus*

Watlow Series SD31 33 Chapter 6 OperationsDisplay Parameter NameDescriptionSettings Range(Integer values for Modbusin parentheses.)Default Modbus*

[hour] /[Po;ht]48 R/W[Min] /[A-m]49 R/W[`Sec] /[`Aut]50 R/W[`rdy] /[~CAL]51 R/W[Ct;SP] /[ht;m]52 R/W[Po;ht] /[pb;ht]53 R/W[`Aut] /[re;ht]54 R/W[`CAL]

Watlow Series SD31 35 Chapter 7 ProgrammingProgramming Page ExampleAn oven manufacturer wants users of their ovens to have easy access to the Seri

Watlow Series SD31 36 Chapter 8 Timer The optional countdown timer (SD31-XXXX-XTXX only) provides a versatile timer function that allows countdown

Watlow Series SD31 37 Chapter 8 Timer Prompt Timer Related SettingsTimer Enable{ti;En}[ti.En]Set to {~~On} to enable the timer.Hours{hour}[hour]Se

Watlow Series SD31 2 Chapter 1 OverviewThe Watlow Series SD31 PID, is a microprocessor-based temperature controller available in the 1/32 DINpanel

Watlow Series SD31 38 Chapter 8 Timer Prompt Timer Related SettingsTimer Set Point[ti;SP][ti.SP][~Off] Set Point Off - The normalcontrol set point

Watlow Series SD31 39 Chapter 8 Timer Prompt Timer Related SettingsTimer Output Function[ti;F1], [ti;F2][ti.F1] , [ti.F2]Each timer output can ind

Watlow Series SD31 40 Chapter 8 Timer Prompt Timer Related SettingsSignal Time - Minutes[S;M1], [S;M2][S.M1], [S.M2]Set the number of minutes for

Watlow Series SD31 41 Chapter 8 Timer Prompt Timer Related SettingsClosed Loop Timer Set Point[Ct;SP][Ct.SP]Sets the set point that will be useddu

Watlow Series SD31 42 Chapter 8 Timer Timer ExampleConvection Oven ApplicationA master chef bakes bread at 350 F for 30 minutes. She wants the ove

Watlow Series SD31 43 Chapter 9 FactoryDisplay Parameter NameDescriptionSettings Range(Integer values for Modbusin parentheses.)Default Modbus* (l

Watlow Series SD31 44 Chapter 9 FactoryDisplay Parameter NameDescriptionSettings Range(Integer values for Modbusin parentheses.)Default Modbus* (l

Watlow Series SD31 45 Chapter 9 FactoryDisplay Parameter NameDescriptionSettings Range(Integer values for Modbusin parentheses.)Default Modbus* (l

Watlow Series SD31 46 Chapter 9 FactoryCalibrating the Series SD31Warm up the unit for 20 minutes. To reach the cali-bration parameters, enter the

Watlow Series SD31 47 Chapter 9 FactoryCurrent Process Input ProcedureEquipment• Precision current source, 0 to 20 mA range, with0.01 mA resolutio

Watlow Series SD31 3 Chapter 1 OverviewHow to use the Series SD31 controllerBefore you use your Series SD31 controller, it mustbe installed and co

Watlow Series SD31 48 Chapter 10 Features10FeaturesSaving and Restoring User Settings . . . . . . . . . . . . . . . . . . .49Operations Page . .

Saving and Restoring User SettingsRecording setup and operations parameter settingsfor future reference is very important. If you uninten-tionally cha

Manual TuningIn some applications, the autotune process may notcome up with PID parameters that provide the processcharacteristics you desire. If the

Filter Time ConstantFiltering smoothes an input signal by applying afirst-order filter time constant to the signal. The dis-played value, the controll

High Range and Low RangeWith a process input, you must choose a value torepresent the low and high ends of the current or volt-age range. Choosing the

To transfer to auto mode from manual mode, pressthe Infinity Key ˆ to get to the Operations Page. Pressthe Down Key ¯ until [A-M] appears in the displ

Proportional plus Integral plus Derivative(PID) ControlUse derivative (rate) control to minimize the over-shoot in a PI-controlled system. Derivative

The Power Limit 1and 2 ( [PL`1] and [PL`2] ) andOutput Power Scale Low 1 and 2 ([PSL1] and [PSL2])and Output Power Scale High 1 and 2 ( [PSH1] and[PSH

The combination of variable time base output and asolid-state relay can inexpensively approach the effect ofanalog, phase-angle fired control.You must

Alarm HysteresisAn alarm state is triggered when the process valuereaches the alarm high or alarm low set point. Alarmhysteresis defines how far the p

çCaution: Follow the installa-tion procedure exactly toguarantee a proper IP65/NE-MA 4X seal. Make sure thegasket between the paneland the rim of the

CommunicationsOverviewA Series SD31 controller can also be programmedand monitored by connecting it with a personal comput-er or programmable logic co

5. Configure the software’s communicationsparameters.A software package, (be it software for a Computer, aPLC or an OIT) will need to be configured ju

Watlow Series SD31 60 Chapter 10 FeaturesIndication Probable Cause(s) Corrective ActionNo power.Controller appears dead.No display indication in e

Watlow Series SD31 61 Chapter 10 FeaturesIndication Probable Cause(s) Corrective ActionGetting alarm message[A1hi],[A2hi],[A1Lo],or[A2Lo].The proc

Watlow Series SD31 62 Chapter 10 FeaturesIndication Probable Cause(s) Corrective Action[Er;In]Input errorThe sensor may be improperly wired.Sensor

Watlow Series SD31 63 AppendixSpecificationsController• 1/32 DIN, microprocessor-based, user-selectable control modes• Heat and cool autotune for

Watlow Series SD31 64 AppendixElectromechanical Relay, Form A• Minimum load current: 10 mA• 2 A @ 240VÅ (ac) or 30VÎ (dc) maximum, resistive• 125

Watlow Series SD31 65 AppendixOrdering Information and Model NumbersFor more information, go to www.watlow.com or contact your Watlow representati

AC Line Frequency 27AC Power Wiring 6Access Lockout 28, 51Active Output Indicator Lights 14Address 28, 58Adjust the set point 15Adjusting the set temp

Output Configuration 52Output Nonlinear Function 1 24, 55Output Nonlinear Function 2 26, 55Output Power Scale High 1 24, 54Output Power Scale High 2 2

Watlow Series SD31 5 Chapter 2 Install and WireInstalling the Series SD31 Controller1. Make the panel cutout using the mounting template dimension

[``A;4] 45, 47[`A;16] 45, 47[A1;hi] 20, 32[A1;Lo] 20, 32[A2;hi] 20, 32[A2;Lo] 20, 32[ACLF] 27, 56[Ac;ti] 27, 40[Addr] 28, 58[A;ma] 43[AMb] 43[A;mn] 43

Declaration of ConformitySeries SDWatlow Winona, Inc.1241 Bundy Blvd.Winona, MN 55987 USADeclares that the following product:Designation:Series SDMode

How to Reach UsCorporate Headquarters in theU.S.:Watlow Electric Manufacturing Co.12001 Lackland RoadSt. Louis, Missouri, USA 63146Telephone: +1 (314)

Watlow Series SD31 6 Chapter 2 Install and WireÓWarning:Use National Electric (NEC) orother country-specific standardwiring and safety practices w

çWarning:Use National Electric (NEC) orother country-specific standardwiring and safety practices whenwiring and connecting this con-troller to a powe