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SSI America 7SL instruction manual Maintenance

Models: 7SL

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Page 35

MAINTENANCE

1.Remove power from the power supply terminals and from relay output terminals.

2.Remove the instrument from case.

3.Using a vacuum cleaner or a compressed air jet (max. 3kg/cm2) remove dust and dirt which may be present on the louvers and on the internal circuits, being careful to not damage the electronic components.

4.Clean external plastic or rubber parts only with a cloth moistened with ethyl alcohol (pure or denatured)

[C2H5OH]; or isopropyl alcohol (pure or denatured) [(CH3)2CHOH]; or water [H2O]

5.Verify that there are no loose terminals.

6.Before re-inserting the instrument in its case, be sure it is perfectly dry.

7.Re-insert the instrument and turn it ON.

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SSI America 7SL instruction manual Maintenance

Contents

Model 7SL HIGH/LOW Limitrol 16 DIN, Four Digit HIGH/LOW Limitrol Guide to simple set-up CongratulationsUSE Wire Suitable For 75C Minimum Table of ContentsMounting Requirements Dimensions and Panel Cutout Measuring Inputs TC Input Wiring GuidelinesTerminal Layout Logic Input Linear InputRTD Input RTD7sl-1-00.p65 17/02, 239 PM OUT Relay OutputsCommon Serial InterfacePreliminary Hardware Settings Power Line and groundingPower Supply Limitrol without RS-485 Limitrol with RS-485Configuration Procedure Configuration KEY FunctionsR1 = Input Type and Range Value R2 = Decimal Point Position R5 = Offset AdjustmentR7 = Alarm Action on Fault C2 = Acknowledgment ModeControl Output Function P2 = Alarm configuration C3 = Reset at Power-upC4 = Reset Memory OFF = P3 = Alarm ActionAlarm Standby Function = Safety LockT1 = Timeout Selection tn10 = 10 second timeout Reset Operating ModeNormal Display Mode IndicatorsKey Functions in Parameter Display Mode Key Functions in Normal Display ModeParameter Display Mode Operating Parameters Dealing with Error Messages Error MessagesError Messages Error ListLoading Default Configuration Parameters Default ParametersLoading Default Operating Parameters Default Operating Parameters ListPara Default Configuration Parameter ListSpecifications Normal Mode Rejection Ratio Display Update Time RangeTemperature Drift Common Mode Rejection RatioType of Alarm Acknowledgment ModePower-Up Mode Alarm FunctionENV50140 ReferencesCEI 70-1 IEC NemaCalibration Parameters Calibration ProcedureGeneral Guidelines Entering Calibration Values ProcedureTH TC Input Final Scale Value TC Input CheckPL RTD Input Initial Scale Value PH RTD Input Final Scale ValueRTD Check RJ. Cold Junction Compensation CheckVolt Input Check AH Current Input Final Scale ValueCurrent Input Check NH 5 Volt Input Final Scale ValueUH 10 Volt Input Final Scale Value UL 10 Volt Input Initial Scale ValueMaintenance Manual Part No 7SL