Watlow Series 942 Manuel d'utilisateur

Series 942User's Manual Watlow Controls Watlow Controls Watlow Controls Watlow Controls Watlow Controls1241 Bundy Blvd.,

Install and Wire, Chapter 210 WATLOW Series 942 User's ManualInput WiringFigure 10 - 0 - 5VDC ProcessInput Wiring.NOTE:When using a4 - 20m

11Install and Wire, Chapter 2 WATLOW Series 942 User's ManualOutput 1 WiringFigure 12 -Solid State RelayWith ContactSuppression,Output 1 Wiring.

Install and Wire, Chapter 212 WATLOW Series 942 User's ManualOutput 1 WiringFigure 15 -Process, 0 - 10VDC,Output 1 Wiring.Figure 14 -6 Amp

13Install and Wire, Chapter 2 WATLOW Series 942 User's ManualOutput 1 WiringFigure 16 -Process, 4 - 20mA,Output 1 Wiring.Process, 4 - 20mA, Outp

Install and Wire, Chapter 214 WATLOW Series 942 User's ManualOutput 1 WiringFigure 18 -Process, 0 - 5VDC,Output 1 Wiring.Figure 19 -Solid

15Install and Wire, Chapter 2 WATLOW Series 942 User's ManualOutput 2 WiringSolid State Relay With Contact Suppression, Output 2Model # 942A - _

Install and Wire, Chapter 216 WATLOW Series 942 User's ManualOutput 2 WiringSolid State Relay Without Contact SuppressionWatlow's sol

17Install and Wire, Chapter 2 WATLOW Series 942 User's ManualAuxiliary WiringNOTE:This output is sup-plied with an arcsuppression snub-ber acros

Install and Wire, Chapter 218 WATLOW Series 942 User's ManualAuxiliary WiringLoadFuseL1L22627Process, 0-5VDC, Non-IsolatedMechanical Relay

19Install and Wire, Chapter 2 WATLOW Series 942 User's ManualAuxiliary Wiring4 - 20mA Retransmit, Auxiliary OutputModel # 942A- _ _ _ 6 - _ 000R

2WATLOW Series 985 User's Manual Appendix

Install and Wire, Chapter 220 WATLOW Series 942 User's ManualTerminal Function1 Not Used2 Not Used3 Not Used

Keys and Displays, Chapter 321WATLOW Series 942 User's ManualKeys/DisplaysFront PanelLocking ScrewSecures or releases thecontrol chassis from its

Setup, Chapter 422WATLOW Series 942 User's ManualSetupFigure 33 -The Setup Menu.NOTE:The rL and rHparameters are usedto scale the displayfor proc

Setup, Chapter 4 WATLOW Series 942 User's Manual23SetupSetup ParametersWhen you are at the top of the menu, the Series 942 displays the user leve

Setup, Chapter 424WATLOW Series 942 User's ManualSetupSILHYS3LAt1AL1Ot3HYS2Ot2HYS1Ot1Output 1: Selects the output action for the primary output.

Setup, Chapter 4 WATLOW Series 942 User's Manual25SetupOutput 4: Selects Output 4 as an alarm (AL) or event (Ent) if Output 4 is anauxiliary out

Setup, Chapter 426WATLOW Series 942 User's ManualSetupdAtAbAudAddrProtLOgInttAgPStrInput Type Sensor Range Low Sensor Range HighJ32°F/0°C 1382°F/

Setup, Chapter 4 WATLOW Series 942 User's Manual27SetupUse this page as a master copy for configuring your Series 942.Do not enter any values her

Setup, Chapter 428WATLOW Series 942 User's ManualOperationOperation ParametersSet Point: Sets the operating set point for the control outputs.

Setup, Chapter 4 WATLOW Series 942 User's Manual29OperationEnt2Ent2: Select whether Event 2 (Output 4) is ON or OFF. When a profile is com-ple

Appendix WATLOW Series 985 User's Manual3Page ItemChapter 14 Starting Out With The Watlow Series 942-4 General Description5 Opening the 9425 Set

Setup, Chapter 430WATLOW Series 942 User's ManualOperationOperation Parameters Value Range Factory DefaultSP OFF/rL to rH 75°FProg YES or no noEn

Programming, Chapter 5WATLOW Series 942 User's Manual 31Figure 35 -The Program Menu.PROGRAM MenuCreate your profiles here in the P

32 WATLOW Series 942 User's ManaulProgramming, Chapter 5Program ParametersProgram: Select whether you want to enter the Operation

Programming, Chapter 5WATLOW Series 942 User's Manual 33ProgramSoak (SoAh) : The following parameters are associated with the soak

34 WATLOW Series 942 User's ManaulProgramming, Chapter 5RUN MenuNOTE:Shaded parame-ters may notappear on yourcontrol. Theseparamet

Programming, Chapter 5WATLOW Series 942 User's Manual 35Master Step ChartStep # √ Step Type Values Time On Events OFFStPt SP HOUr M

36 WATLOW Series 942 User's ManaulProgramming, Chapter 5EventsEvent OutputsOne of the features of the Series 942 is its capability

Programming, Chapter 5WATLOW Series 942 User's Manual 37Figure 37 -Guaranteed SoakDeviation ExampleJumploopTimeGuaranteed SoakDevia

Sample Program38 WATLOW Series 942 User's ManualProgramming, Chapter 5Running Your Profile1. Start your profile by pressing the HOL

WATLOW Series 942 User's Manual 39Programming, Chapter 5Sample ProgramStEP StYP SP HOUr Min SEC Ent1 Ent2 JS JC End rtn(Step Type)

Starting OutGetting Started, Chapter 14WATLOW Series 942 User's ManualStarting OutGeneral DescriptionWelcome to the Watlow Series 942, a 1/4 DIN

Tuning and Operating, Chapter 640WATLOW Series 942 User's ManualTuningChapter 6How to Tune and OperateTuning - AutomaticAuto-tuning: The Series

Tuning and Operating, Chapter 641WATLOW Series 942 User's ManualTuningTuning - ManualFor optimum control performance, tune the Series 942 to the

Tuning and Operating, Chapter 642WATLOW Series 942 User's ManualAuxiliaryA007-1828Options BoardA007-1954N.O.Contacts(Form A)N.C.Contacts(Form B)C

Tuning and Operating, Chapter 643WATLOW Series 942 User's Manual A Deviation alarm alerts the operator when the process strays too far from setpo

Tuning and Operating, Chapter 644WATLOW Series 942 User's ManualError Code MessagesFour dashes, "- - - -", in the upper display indicat

Tuning and Operating, Chapter 645WATLOW Series 942 User's ManualErrors/OutputsError Code Actions• Error codes Er 1, Er 2, Er 3, Er 6, and Er 7 wi

46WATLOW Series 942 User's Manual AppendixNOTE:An X applies toeither Hysteresis 1,2, 3, or 4.SpecificationsAppendix 1Control Mode• 24 step rampin

WATLOW Series 942 User's Manual47AppendixSpecificationsSecondary Output (Heat, Cool or None)• Solid state relay, Form A 0.5A @ 24VAC min., 264VAC

48WATLOW Series 942 User's Manual AppendixModel No.Series 942 Model Number InformationThe Series 942 Model Number, listed on your unit sticker, i

49WATLOW Series 942 User's ManualAppendixInstall - WireAppendix 2Noise and Installation GuidelinesInstallation Guidelines For Preventing NoiseFor

Starting OutGetting Started, Chapter 15WATLOW Series 942 User's ManualHow to Open the 942Before going further, open the Series 942 and pull the c

Appendix50WATLOW Series 942 User's ManualWiring Guide• Another important practice is to look at the system layout; identify and locateelectrical

51WATLOW Series 942 User's ManualAppendixWiring GuideHow To Eliminate Noise• Use "snubbers" ("QUENCHARC™") to filter out noi

Appendix52WATLOW Series 942 User's ManualHow to Check for Ground LoopsTo check for ground loops, disconnect the ground wire at the ground termina

53WATLOW Series 942 User's ManualAppendixNoise GuidelinesLine Filtering Configurations For ControlsThese three diagrams show you filter configura

54WATLOW Series 942 User's Manual AppendixNOTE:Calibration valuesare not retainedunless you are in theRUN mode. Do notenter the RUN modeuntil yo

WATLOW Series 942 User's Manual55AppendixCalibrationCalibration MenuYES to calibrate, No skips to display test.Input 0.00mV for low thermocouple

56WATLOW Series 942 User's Manual AppendixT/C CalibrationNOTE:Before calibrationon an installedcontrol, make sureall data and para-meters are doc

WATLOW Series 942 User's Manual57AppendixRTD CalibrationRTD Field Calibration ProcedureBefore attempting any calibration procedure, make sure you

58WATLOW Series 942 User's Manual Appendix0 - 5 Volt Input0 - 5 Volt Input Field Calibration ProcedureBefore attempting any calibration procedure

WATLOW Series 942 User's Manual59Appendix4-20mA Input4-20mA Input Field Calibration ProcedureBefore attempting any calibration procedure, make su

6WATLOW Series 942 User's ManualInstall and Wire, Chapter 2Installation WARNING:The front panelscrew turns 90°only. Do not applyexcessive force

60WATLOW Series 942 User's Manual Appendix0-5 or 0-10 Volt Output Field Calibration ProcedureBefore attempting any calibration procedure, make su

WATLOW Series 942 User's Manual61AppendixNOTEBefore calibration onan installed control,make sure all dataand parameters aredocumented. Seethe Se

62WATLOW Series 942 User's Manual Appendix0-5V Retransmit0 - 5 Volt Retransmit Field Calibration ProcedureBefore attempting any calibration proce

WATLOW Series 942 User's Manual63Appendix4-20mA Retransmit Field Calibration ProcedureBefore attempting any calibration procedure, make sure you

Install and Wire, Chapter 27WATLOW Series 942 User's ManualDimensions3.81" sq.(97 mm)3.81" sq.(97 mm)PanelCutoutNOTE:All dimensions in

Install and Wire, Chapter 28 WATLOW Series 942 User's ManualPower Wiring CAUTION:To avoid potentialelectric shock, useNational ElectricCod

9Install and Wire, Chapter 2 WATLOW Series 942 User's ManualInput WiringFigure 9 -2 or 3 wire RTDInput Wiring.Figure 8 -ThermocoupleInput Wiring