Watlow Series 935B Manuel d'utilisateur

0600-0015-0001 Rev C $15.00July 2000Supersedes: 0600-0015-0001 Rev BRegistered Company Winona, Minnesota USA ISO 9001TOTAL3 Year WarrantyCUSTOMERSATI

Respond to a simple errorDisplay Probable Cause Recommended ActionReversed thermo- Change the sensorcouple connection leads on Terminals+ to –. 1 and

,,,Watlow Series 935B User’s Manual 11Software Organization• The Series 935B has three primary menus in addition to a normal display.• The software

12 Watlow Series 935B User’s ManualThe Series 935B Operations Menu is the first menu you encounter when you press the . and , keys simultane-ously for

Watlow Series 935B User’s Manual 13Table 4 - Operations Menu Overview To enter the Operations Menu, press the . and , keys simultaneously for three

14 Watlow Series 935B User’s ManualChoosing a PID Setting StrategyYou may rely solely on the Auto-tune [`Aut] function (p. 34) and factory defaults to

Setting PID Menu Values• Proportional Band, Heat and Cool [Pb`h] and [Pb`c]: Select a value (degrees) to set up band on either side (±)of the Primary

16 Watlow Series 935B User’s ManualTable 5 - PID Menu Overview Set-Up HeatProportional Band Heat - Select a heat proportional band value.[```0] [`999]

Watlow Series 935B User’s Manual 17Set-Up GeneralIntegral Function - Select an integral value.[`)00] [9(99]0.00 to 99.99 minutes/repeatDerivative Fu

18 Watlow Series 935B User’s ManualThe Configuration Menu is the second sub-menu in the Operations Menu. Use it to set Inputs, Ranges, Output Types,Al

Watlow Series 935B User’s Manual 19NOTE:Access to Configuration Menu varies with lockout function. See p. 21.Alarm Hysteresis - Choose alarm switchi

Safety Information in this ManualNote, caution and warning symbols appear throughout this book to draw your attention toimportant operational and safe

20 Watlow Series 935B User’s ManualKey Lockout InformationThe Series 935B offers three different security, or “lockout,” options. Set upone or all thr

Watlow Series 935B User’s Manual 21View Process Yes Yes Yes Yes Yes Yes YesView Set Point Yes Yes Yes Yes Yes Yes YesChange Set Point No Yes No Yes

22 Watlow Series 935B User’s ManualSetting Inputs and OutputsKey Input/Output Set-up Information• All initial input and output set-up occurs in the Co

Watlow Series 935B User’s Manual 23Table 8 - Setting Inputs and OutputsNOTE:Access to Configuration Menu varies with lockout function. See p. 21.Inp

(Closed switch = Starts Timer)Figure 5 - Remote Timer Start WiringSee p. 45 for more wiring information.24 Watlow Series 935B User’s ManualTo Set Up R

Watlow Series 935B User’s Manual 25–1+2COM3RTS4OT15OT2678Load 2Load 1(Closed switch = locked panel)To Set Up Front Panel Lock…1. Install an external

26 Watlow Series 935B User’s ManualConfiguration Menu[``In]Input Type[`C_F]Celsius/Fahrenheit[``rL]Input Range Low[``rh]Input Range High[`Ot1]Output 1

Set PointDeviationnormallyclosedDeviationnormallyopenProcess normallyclosedProcessnormallyopen Non-Alarm StateLED offAlarm Output:Alarm StateLED onAla

28 Watlow Series 935B User’s ManualTo Set Up Series 935B Alarms…1. Plan an alarm strategy. What do youwant to happen when an alarm occurs?2. Wire the

Watlow Series 935B User’s Manual 29SETLatching alarmSilence alarmWith this selection, an alarmcannot be silenced at the 935Bfront panel (unless the

Watlow Series 935B User’s Manual 3Where to find it…Table of ContentsItem ... PageIntroduct

30 Watlow Series 935B User’s ManualConfiguration Menu[``In]Input Type [`C_F]Celsius/Fahrenheit[``rL]Input Range Low[``rH]Input Range High[`Ot1]Output

Watlow Series 935B User’s Manual 31Table 12 - Series 935B Timer Functions/SettingsDelay ONDelay OFF Signal ON Signal OFFOutput 2 TimerOutput Functio

32 Watlow Series 935B User’s Manual3015 450To Set Up the 935B Timer…1. Plan a timer strategy.2. Wire the Output 2 control output, associated switching

Watlow Series 935B User’s Manual 333015 450Convection Oven ApplicationScenarioA master chef bakes bread at 350°F for 30 minutes. He wants the oven a

34 Watlow Series 935B User’s ManualAuto-tuningManual Tuning For optimum performance, tune the Series 935B to your thermal system. The settings here ar

Watlow Series 935B User’s Manual 35Tweaking PID Settings1. Set [Pb`h] and [Ct`h] in degrees.2. If Proportional Band Heat [Pb`h] = 0, Set Hysteresis

36 Watlow Series 935B User’s ManualCalibrating the 935BQuick CalibrationRestore:Press all three keyssimultaneously until[tc50] appears in thedisplay,

Watlow Series 935B User’s Manual 37Calibrating the 935BThermocouple Input Field Calibration ProcedureEquipment Required:• Type “J” Reference Compens

38 Watlow Series 935B User’s ManualErrors and TroubleshootingKey Error InformationSet up an input failure operation mode at the [FAIL] prompt in the [

Watlow Series 935B User’s Manual 39Table 13 - Possible Displayed Error Codes and ActionsTo Troubleshoot Sensor• Remove sensor wires from Terminals 1

4 Watlow Series 935B User’s ManualWelcome to the Watlow Series 935B!General DescriptionThe Series 935B is a temperature controller with countdown time

40 Watlow Series 935B User’s Manual0.874"(22.2mm)+0.012",-0.000"(+0.3mm,-0.0mm)0.500"(12.7mm)0.500"(12.7mm)2.272"(57.7mm

Watlow Series 935B User’s Manual 412.09" (53.1mm)1.14"(29.0mm)Panel Cutout1.770" (44.96mm)4.00" (101.6mm)0.50" (12.7mm)Maxi

42 Watlow Series 935B User’s ManualInstalling the Series 935BInstallation Procedure1. Make a panel cutout using the tear-out mounting template, or the

Watlow Series 935B User’s Manual 43Terminal Block RemovalFigure 14- Terminal Block Removal Procedure2. Move your grip rearward slightly,then lift th

44 Watlow Series 935B User’s ManualWiring a 935BFigure 15 - Wiring the Series 935BÓWARNING: All wiring and fusing must conform to local andnational el

Watlow Series 935B User’s Manual 45System Wiring ExamplesÓWARNING: All electrical wiring and fusing must conform to local and national electric code

46 Watlow Series 935B User’s ManualGlossaryAlarmA condition, generated by the controller,indicating that the process has exceeded orfallen below the s

Watlow Series 935B User’s Manual 47AAuto-tune [`Aut] . . . . . . . . . . . . . . 12, 34AlarmsAlarm High [`AhI] . . . . . . . . . . 12, 26Alarm Low

48 Watlow Series 935B User’s ManualSpecifications• Height• Length• WidthSpecifications—(1951)Control Mode• Auto-tune PID.• PID, PD, PI, on/off.• Count

Ordering Information—(1952) 9 3 5 B - 1 C C 0 - _ _ 0 _Single thermocouple or RTD (DIN) input,dual output, single display temperaturecontrol with time

Watlow Series 935B User’s Manual 5Output 1Output 2RDY21SETSingleInputDual OutputSingle InputType J, K, T, N, S, E Thermocouple, 1° RTD, or 0.1° RTDO

50 Watlow Series 935B User’s ManualCE Compliant ProductDeclaration of ConformitySeries 935WATLOW CONTROLS1241 Bundy BoulevardWinona, Minnesota 55987

Watlow Series 935A User’s Manual 51935B Software MapOperations MenuPrompt Range Default Hidden if * Your Settings*NOTE:All prompts, except[``SP] and [

52 Watlow Series 935A User’s ManualOperations MenuPrompt Range Default Hidden if * Your Settings[`tA9] = [P```];or if [Pb`h] ≠ 03°F or 2°C[```1] [`999

[`tA9] = [P```];or if [Pb`c] ≠ 03°F or 2°C[```1] [`999][```1] [`555][``)1] [99(0][``)1] [55%0]Select a value in wholedegrees (1°F to 999°F or1°C to 55

[`tA9] = [P```]0°F or 0°C[-999] [9999][-9(9] [99(9]Select a value,adjustable between -999° and 9999°F or Cor -99.9° and 999.9°F orC to eliminate adiff

Watlow Series 935A User’s Manual 55Configuration MenuPrompt Range Default Hidden if * Your Settings[`tA9] = [``C`]heat[hEAt] [COOL][ALM] [`rSP][`FPL]

[`tA9] = [``C`];or if[`Ot1] and/or [`Ot2] ≠ [ALM]3°F or 2°C[```1] [`999][```1] [`555][``)1] [99(0][``)1] [55%0]Select a value in wholedegrees (1°F to

Watlow Series 935A User’s Manual 57Configuration MenuPrompt Range Default Hidden if * Your Settings[`tA9] = [``C`];or if[`Ot2] ≠ [thM] or[tMS]0°F or 0

58 Watlow Series 935A User’s ManualConfiguration MenuPrompt Range Default Hidden if * Your SettingsAlways appearsP[PCOA] [`COA][PCO`] [`CO`][PC`A] [`C

About Watlow WinonaWatlow Winona is a U.S. division of Watlow Electric Manufacturing Company, St. Louis,Missouri, a manufacturer of industrial electri

6 Watlow Series 935B User’s ManualPress & read or press & changeReading or ChangingInformation is EasyYou can simply:• Read the normally displ

How to Reach UsQuality andMission Statement:To position Watlow Winonaas the world’s best supplierof superior thermalsolutions, by exceeding theexpecta

RDY21SETSeven-segmentalphanumeric display:• Shows process value,set point information, time, or• Shows prompt name or value, depending on the key comb

Begin ControllingTo Begin Controlling:1. Apply power to the system.A properly-wired Series 935B will begin controlling the thermal system as soon as y

Change Set PointRDY21SETTo Change the Set Point:Your Series 935B displays the actual process temperature when it comes from the factory. You canchange