Despatch Protocol Controller Bedienungsanleitung

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Inhaltsverzeichnis

Seite 1 - INSTRUCTION MANUAL

P/N 116087REV. 9/97E-72PROTOCOL™DIGITAL OVEN CONTROLLERINSTRUCTION MANUALPrepared by:Despatch IndustriesP.O. Box 1320Minneapolis, MN 55420-1320Custome

Seite 2

4Status Indicator LEDsProtocol has seven indicator LEDs that provide the following relevant information to theuser.Table 3 Protocol Indicator LEDsLED

Seite 3 - Despatch Product Warranty

5Operating ModesProtocol has three primary modes of operation: the Manual mode, the Timer mode andthe Program mode.Manual ModeThe Manual mode is a sin

Seite 4 - Service Support Programs

6Figure 3. CZO Function in Tune ModeCalibration Zero OffsetThe Calibration Zero Offset (CZO) of Protocol is factory preset and tested for thespecifie

Seite 5 - TABLE OF CONTENTS

7NOTE: The CZO function iseasily set for specific operatingconditions.NOTE: Reset times greater than 35seconds/repeat are not recommended.Table 4 C

Seite 6

8WARNING: Never operate theoven at a temperature in excessof the maximum operatingtemperature.Protocol Hi-LimitProtocol will not let the high limit v

Seite 7 - INTRODUCTION

9Figure 5. Protocol Control PanelINSTRUCTIONSStart-UpAn outline and examples for the Manual mode, Timer mode and Program mode arereferenced in the Ap

Seite 8 - Protocol

10NOTE: For safety reasons, Protocol will not letthe operator set the Hi-limit below the setpoint. It may be necessary to adjust the Protocolsetpoint

Seite 9 - Keypad Controls

11StopThe following are stop instructions for the Manual mode.1. Press the Heater off key. The Heater Relay LED will shut off.2. Wait for oven temper

Seite 10 - Status Indicator LEDs

12NOTE: During processing thedisplay shows the setpoint on theleft and the actual oven tempera-ture on the right.NOTE: For safety reasons, Protocolwi

Seite 11 - Operating Modes

13NOTE: When the Timer mode isrunning, pressing the Start key willdisplay the time remaining in thecycle. The display will showTRHHMMSS which stands

Seite 12 - Calibration Zero Offset

NoticeUsers of this equipment must comply with operating procedures and training ofoperation personnel as required by the Occupational Safety and Heal

Seite 13 - Tune Setting

145. Press the Power on pushbutton to turn power off.An example of the Timer mode is referenced in the Appendix of this manual.

Seite 14 - Protocol Hi-Limit

15NOTE: All profiles entered can becleared by using the PROF CLRfunction in the TUNE mode.NOTE: For safety reasons,Protocol will not let the operator

Seite 15 - INSTRUCTIONS

16WARNING: Never operate the ovenat a temperature in excess of themaximum operating temperature.2. Use the + or - keys to enter the ramp time.c. Progr

Seite 16 - Manual Mode

17NOTE: The SOAK-DEV limit isalso the assured soak limit. Thismeans that the soak times will notbegin until the processtemperature is within the SOA

Seite 17

18NOTE: When in the Programmode, pressing the Start key willdisplay the time remaining in thecycle (TRHHMMSS). Pressing theReset key will display th

Seite 18 - Timer Mode

19APPENDIXSpecial InstructionsThe Protocol has been preset and tested at the factory for normal operating conditions. In most applications, it will no

Seite 19 - Manually Stop

20Control InstrumentTune ModeVarious functions of the control instrument are set by parameters in the tune mode. Toaccess the tune mode, it is necess

Seite 20

21Table 6 Tuning OutlineDisplay DescriptionTUNECODEPID TUNEP-1I-1D-1DEG -SPL -CZO -DISBEEPPF-RECVRDIG COMMRECONFIGPROF CLRVARS CLRCODE *E*Selects tune

Seite 21 - Program Mode

22Tuning WorksheetIn most applications it is not necessary to alter tuning parameters. To enter the tunemode, press the Tune key. Tune will be displ

Seite 22

23WARNING: Calibrationequipment without internalambient compensation provisionsrequires subtracting the ambientmV signal from the calibrationtemperat

Seite 23

Despatch Product WarrantyParts, Materials and LaborDespatch warrants all parts and materials to be free from defects in material and workmanship for a

Seite 24

24All errors must be cleared to perform calibration. Any active error will inhibit the calibration function. To clear a Hi-Limit control error [HL

Seite 25 - Special Instructions

25NOTE: ### or ##.# represents a numeric value or parameter.Tune Mode Parameter CalibrationPress Display Factory DefaultSettingActualSettingPress Adju

Seite 26 - Control Instrument

2615. Apply a 250E F signal to the high limit thermocouple input: a. Connect the piece of type J thermocouple lead wire, wired to the HighLimit T/C te

Seite 27 - Table 6 Tuning Outline

2722. Press the following key sequence: -, -, +. The display now reads SCAL450.23. Adjust the simulator to supply a 450E F signal. Wait for 30 secon

Seite 28 - Tuning Worksheet

28Calibration RecoveryThe Protocol control has a factory calibration recovery feature. This feature allows theoperator to restore the Protocol to an

Seite 29 - Calibration Mode

29Diagnostics ModeThe diagnostics mode is provided to give certain relative information about Protocol. The following table gives an outline of the di

Seite 30 - 2. Press the Reset key

30Power FailureIn the event that the power supplied to Protocol is insufficient at any point during arunning mode, the display will read PWR-FAIL. In

Seite 31

31NOTE: Do not turn thepower off until the oventemperature is below100EC (212EF).NOTE: EF is selected in the tunemode.Programming Examples and Outlin

Seite 32

32NOTE: EC and HHMM(hours/minutes) is selected in thetune mode.Example 2 - Timer ModeControl the process at 200EC for three hours and 15minutes with

Seite 33

33Program ModeProgram Mode OutlineDisplay DescriptionPROGRAM Hi-Limit HL PROFILES PRO- SEG- RAMP

Seite 34 - Calibration Recovery

DespatchService Support ProgramsDespatch continues to deliver exceptional products backed by a strong sense of responsibility and drive for long term

Seite 35 - Diagnostics Mode

34C The profile number is manually entered using the + or - keys.C Six segments exist for each profile.C If the ramp time and soak time for any one se

Seite 36 - Power Failure

35Figure 7. Sample ProfileProgram WorksheetThe program worksheet serves as a guide to the input parameters for the programmode.Display Setting(s)HL

Seite 37 - Example 1 - Manual Mode

36Figure 8. Example Temperature ProfileNOTES: HHMM(hours/minutes) and EC selectedin the tune mode. No eventoutputs are being used. Soak-Deviation

Seite 38 - Example 2 - Timer Mode

37Figure 9. Example Temperature ProfileNOTES: MMSS(minutes/seconds) and EFselected in the tune mode. Event1 wired properly for autostart,events 2

Seite 39

38NOTES: HHMM(hours/minutes) and ECselected in the tune mode. No events used. Soak-Deviation = 10EC (alsoassured soak limit). Minimum operatingtempe

Seite 40

39TroubleshootingPROBLEM/SYMPTOMPROBABLECAUSESUGGESTED CORRECTIVE ACTIONErratictemperaturecontrolThe controller typically has a proportion band (PB) o

Seite 41 - REPEAT TIMES _____

PROBLEM/SYMPTOMPROBABLECAUSESUGGESTED CORRECTIVE ACTION40Temperaturerunaway - heaterwill not turn "OFF"Shorted SSRRelayDefectivecontrollerDi

Seite 42 - Example 3 - Program Mode

PROBLEM/SYMPTOMPROBABLECAUSESUGGESTED CORRECTIVE ACTION41Control or Hi-limitreadout displays500°C or 932°FLoss of calibration Perform calibration.

Seite 43 - Example 4 - Program Mode

iTABLE OF CONTENTSINTRODUCTION ... 1THEORY OF OPERATION ...

Seite 44 - Example 5 - Program Mode

iiAPPENDIX ... 19Special Instructions ... 19Control In

Seite 45 - Troubleshooting

1INTRODUCTIONThe special features of the Protocol™ include:C PID TuningC Programmable up to 48 segmentsC Built-in manual reset hi-limit controlC Built

Seite 46 - HEATER ON

2Figure 2. Main Display and Keypad on Protocol ControlTHEORY OF OPERATIONThis section describes the Protocol installed in the LAC, LAD, LFD and LND S

Seite 47

3Keypad ControlsTable 1 Protocol Keypad ControlsMode Display Code Function DescriptionManual MANUAL Operation Single setpoint controlTimer TIMER Opera

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