Omega Vehicle Security CN3271 Series manual LHL-A-NEUTRO.pmd 19/04/2004

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Loading Default Configuration Parameters The configuration parameters can be loaded with predetermined default values. These are the settings loaded into the instrument prior to shipment from the factory. To load the default values proceed as follows:

a ) Internal switch V101 must be open.

b)The upper display will show:

c)Press the key; the lower display will show the firmware version.

d)Still holding the key, press the key; the display will show:

e ) Press the key to select Table 1 (Euro- pean) or Table 2 (American) default parameters; the display will show:

f) Press the FUNC key; the display will show:

This indicates that the loading procedure has been initiated. After about 3 seconds the procedure is complete and the instrument reverts to the “COnF” display. The following is a list of the default configuration parameters loaded during the procedure:

Appendix A.2

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Contents CN3271-add2.pmd 19/08/2004 OMEGAnet On-LineService Internet e-mail Info@omega.com Contents Mounting Requirements Screw Bracket PanelWithout RS-485 With RS-485 Dimensions and Rear Terminal BlocksPanel Cutout Wiring Guidelines RTD Input Linear Input MA, mV and V Inputs WiringRelay Outputs Logic Input for models with RS-485 onlyOUT 1 Class Use cupper conductors onlySerial Interface Inductive LoadsAA/A Power Line and grounding100 to 240 Vac 500 mA 250 100/240 V AC 125 mAHigh Low Limiter without RS-485 High Low Limiter with RS-485Serial Interface Protocol Configuration KEY FunctionsConfiguration Procedure R7 = Alarm action on input fault R5 = Offset AdjustmentType Value R2 = Decimal Point PositionHi.Lo = High and low limit for special process C2 = Rearming ModeConstant Alarm Function = Rearm at Power-up Auto = Automatic rearm= Alarm configuration = Shutdown memoryExample for P2 = H.L P3 = Alarm ActionExample for P2 = H.A.A.c T1 = Timeout Selection Alarm Standby mask Function= Safety Lock Normal Display Mode Operating ModeFlashes when alarm is on IndicatorsNormal Display Mode to Operative Parameter Display Mode Operative Parameter Display ModeOperating Parameters Example 1 C1 = Hi and C2 = O Example 2 C1 = Hi and C2 = Limiter functionDevice can be connected to a host computer via serial link Alarm functionsSerial LInk optional Error Messages Error MessagesError List Dealing with Error MessagesPower consumption 8 VA General SpecificationsCommon mode rejection ratio Temperature Drift CJ excludedLinear Inputs Inputs ThermocoupleLogic Inputs AlarmOutputs OutputSerial Communication Interface Option MaintenanceDefault Operating Parameters List Default ParametersLHL-A-NEUTRO.pmd 19/04/2004 Second Seconds Appendix A.3 Appendix B Thermocouple Compensating Cable Color Codes Return Requests / Inquiries Data Acquisition