Omega Vehicle Security CN3271 Series manual High Low Limiter with RS-485

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PRELIMINARY HARDWARE SETTINGS

1)Remove the instrument from its case.

2)Set J106 according to the desired input type as shown in the following figure.

INPUT			J106

TYPE	1-2	3-4	5-6	7-8
TC-RTD	close	open	open	open

60 mV	close	open	open	open

5 V	open	close	open	open
10 V	open	open	close	open

20 mA	open	open	open	close

High - Low Limiter with RS-485

2 4 6 8

J106

1 3 5 7

V101

Fig.13.A

High - Low Limiter without RS-485

2 4 6 8

V101J106

1 3 5 7

Fig.13.B

8

LHL-1-NEUTRO.pmd

8

19/04/2004, 15.07

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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 WiringUse cupper conductors only Logic Input for models with RS-485 onlyRelay Outputs OUT 1 ClassSerial Interface Inductive Loads500 mA 250 100/240 V AC 125 mA Power Line and groundingAA/A 100 to 240 VacHigh Low Limiter without RS-485 High Low Limiter with RS-485Serial Interface Protocol Configuration KEY FunctionsConfiguration Procedure Value R2 = Decimal Point Position R5 = Offset AdjustmentR7 = Alarm action on input fault TypeHi.Lo = High and low limit for special process C2 = Rearming Mode= Shutdown memory = Rearm at Power-up Auto = Automatic rearmConstant Alarm Function = Alarm configurationExample 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 ModeOperative Parameter Display Mode IndicatorsFlashes when alarm is on Normal Display Mode to 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 Dealing with Error Messages Error MessagesError Messages Error ListTemperature Drift CJ excluded General SpecificationsPower consumption 8 VA Common mode rejection ratioLinear Inputs Inputs ThermocoupleOutput AlarmLogic Inputs OutputsSerial 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