Watlow Series 985 Manual de usuario

Microprocessor-BasedAuto-tuning Control(User’s Manual)Watlow Controls, 1241 Bundy Blvd., P.O. 8ox 5580, Winona, MN 55987-5580, Phone: 507/454-5300, Fa

Line Filtering Configurations For ControlsFigure 3 -These three diagrams show you filter configurations for removing input powernoise. Choose the one

How to Install the Series 980/985Figures 6,7 and 8 provide the Series 980/985’s panel cutout and dimensions.Do not, however, make your panel cutout un

Figure 6 -Series 980/985Panel Cutout DimensionsPanel CutoutMax. PanelThickness0.50 (12.7mm)~3.82 +0.03 - 0.00(92mm + 0.8)Load Powerindicators VPanelTI

How to Wire the Series 980/985The Series 980/985 wiring is illustrated by model number option. Check theunit sticker on the control and compare your m

Figure 10 -Input Options “1”,**2* & *3’, Thermo-couple WiringDiagram.Flgure 11 -Input Options "2" &"3" Process InputWlring

Input Options “2” & "3" RTD - 2 WireTerminals 12 - 14ModeI#98 _A-2_ _0-000098_A-3_ _0-0000Jumper#l3to#l4II II...Input Options “2” &am

Output 1 Option “B”, Solid State RelayFigure 14 -Solid State Relay,Output 1, Option “B”Wiring Diagram.Figure 15 -DC Output 1 (OpenCollector), Option72

Output 1 Option “D”, 6 Amp Mechanical RelayModel#98_A-_D _0-0000MechanicalRelayMechanical RelayThe Electromechanical relay iS an electrical and mechan

Figure 18 -4-2OmA, Output 1,Option "F" WiringDiagram.Figure 19 -0-20mA, Output 1,Option “G” WiringDiagram.Output 1 Option “F", 4-20mAMo

Output 1 Option “H”, O-5VDCModel# 98_A-_H _0-0000Process OutputProportional value determined by the control to balance the sensor input and set point.

How to Use the ManualFirst.. Starting OutInstall/WireFront PanelSet UpTuningAppendixNOTE:Details of a *‘Note**appear here, in thenarrow box on theouts

Figure 22 -DC Output (OpenCollector), output 2Option "C" WiringDiagram.Figure 23 -6 Amp MechanicalRelay,Output 2, Option "D"Wiring

nT0WARNING:Install high or low temperature limit control protection in systems where anovertemperature fault condition could present a fire hazard or

Chapter 31NOTE:The Upper displaywill always showthe process valueafter 1 minutewithout keystrokes.Figure 25 -Series 980/985DisplaysHow to Use the Keys

Series 980/985 KeysFigure 27 -Series 980/985 KeysUP/DOWN keysMODE KeyWhen pressed simultaneously for 3 sec-Steps the control through theonds, the Setu

Chapter 41NOTE:While in the Setupmenu, all outputsare OFF.Figure 27 -Entering the SetupMenu.Figure 28 -The Setup Menu.anNOTE:When using aprocess input

Setup ParametersAt the top of the menu, the Series 980/985 displays the user level of operationin the Upper display, and the LOC parameter in the Lowe

Latching: Selects whether the output is latching or non-latching when Output 2is an alarm. Latching alarms must be cleared before the alarm output wil

m Mode Key+ Control Set PointJNOTE:The Upper displaywill always show theprocess value after 1minute without keystrokes.= Prompt appears or not accordi

Chart 3 -Operation MenuPrompts andDescriptions.Dead Band: Enter the Dead Band between the heating and cooling functionsadjustable from ± 99°F/± 55°C.

Chapter 5How to Tune and OperateTuning - AutomaticAuto-tuning: The Series 9801985 gives you the capability to automatically tunethe PlD parameters to

ChaptersFigures, Table, Chartspage Item page Item4 Starting Out With The Watlow Series 980/9854General Description5Putting Your Control To Work5 Over

Tuning - ManualFor optimum control performance, tune the Series 985 to the thermal systemThe tuning settings here are meant for a broad spectrum of ap

Indication of Auto/Manual operation is the LED located on the AUTO/MAN key.When the LED is ON, the control is in the Manual operation, an alarm condit

Press~ twice-ReaderrorFigure 32 -Error Code DisplayExamplesJNOTE:Electrical noise or anoise event, vibra-tion or excessenvironmentalmoisture or tem-pe

Er 1, 2, 3 & 7 Errors - Control Outputs May Be ONIf operator access is LOC 0 or 1 . . .. ..and the control was in AUTO operation when the error o

AppendixControl Mode• Single set point, non-ramping.lSingle input, dual outputs.lControl outputs: User selectable as: Heat, Heat/Heat, Heat/Cool,

Primary Output (Heating or Cooling)lSolid state relay, 0.5A @ 24VAC minimum, 253VAC maximum, opto-isolated, zero cross switching.lElectromechanical re

Series 980/985 Model Number InformationThe Series 980/985 Model Number, listed on your unit sticker, is defined below.,918 ‘ControlSeries 980/985= Dua

Calibration MenuIn the Calibration Menu, various input signals must be supplied in order for thecontrol to go through its auto calibration. The calibr

Figure 34 -The CalibrationMenu.kNOTEBefore calibrationon an installedcontrol, make sureall data andparameters aredocumented. SeeSetup and OperationCha

RTD Field Calibration ProcedureEquipment Requiredl 1K ohm precision decade resistance box with 0.01 ohms resolution.Setup And CalibrationarNOTEBefor

Chapter 1Flgure 1 -Series 980/985 Inputand Output OverviewStarting Out With TheWatlow Series 9801985,A Microprocessor-Based ControlSingle Input -Type

J-3NOTE:Not all parameterswill appear. Theyare dependent onyour unit type. Useonly the steps thatapply to your unit.0 - 5 Volt Field Calibration Proce

4-20mA Input Field Calibration ProcedureEquipment Requiredl Precision current source 0-20mA minimum range with 0.01 mAresolution.Setup And Calibration

0-20/4-20mA Output Field Calibration ProcedureJ3NOTENot all parameterswill appear. Theyare dependent onyour unit type. Useonly the steps thatapply to

0-5/0-10 Volt Output Field Calibration ProcedureEquipment Requiredl 20K ohm, 1/4 watt, 10% resistorl4 - 1/2 digit Digital Multimeter.Setup And Calibra

Alarm: A condition, generated by a controller,Droop: Difference in temperature between setindicating that the process has exceeded or fallenpoint and

PD control: Proportioning control with rateaction.PI control: Proportioning control with auto-reset.PID control: Proportioning control with auto-reset

A Appendix, 34AUTO/MAN key, 23Automatic Operation, 23,31Auto-tuning, 30K, LKeys, 23, Fig. 27Line Filtering Configurations, 10Local-Remote Set Point, 2

WarrantyThe Watlow Series 980/985 is warranted to be free of defects in material andworkmanship for 36 months after delivery to the first purchaser fo

Putting Your Control To WorkTo put your Series 980/985 to work, we suggest the following steps:Read the User’s Manual.Plan your installation and wirin

Chapter 2How to Install and Wire theSeries 9801985System PlanningThis chapter tells you how to install the Series 980/985. All mounting andwiring info

Noise SourcesSwitches and relay contacts operating inductive loads such as motor, coils,solenoids, and relays, etc.Thyristors or other semiconductor d

• Ground loops must be eliminated in the entire control system. There areobvious loops which can be spotted by studying the"as-built" wi

"Islatros" and other similar power line filters are designed to carry the powerfor the control circuit and “buffer” the control circuit from