Omega Multifunction Indicator-Simulator, CL526 manual Digital Interface

Page 5

9.3.13.2 External Rj compensation .....................................................................................................................34

10	DIGITAL INTERFACE	35
10.1	Digital interface data program mode	35
10.2	Digital output wiring practice	35
10.3	TTL to RS 232 adapter	36
10.4	Communication protocol from CL526 to a PC	36
10.5	Computer request for CL526 settings	40
10.6	Communication programs	44

11	MAINTENANCE	46
11.1	Safety recommendations	46
11.2	Faulty operating conditions	46
11.3	Protection fuses	47
11.4	Storage	47

5

Image 5

Contents CL526 OMEGAnetSM On-Line Service Internet e-mail Info@omega.com Introductory Note Table of Contents Digital Interface General Performance Specifications Battery life Power supplyBattery voltage Dimensions 120x60x230 mm Weights net 1 Kg32 to +302F ± 0.02% of rdg +0.18F Table of ranges and accuracyGeneral Features Case Physical Description + 5 V for logic and analog circuits 5 V for analog circuits Power supplyFunctional Description Input circuit Firmware MicroprocessorDigital display Digital to analog converterResistance and Rtd measurements Battery charger. Operation from line sourceThermocouples input-output circuit Resistance and Rtd simulationUnpacking Out 1248.3C Tc PRE-OPERATIONAL CheckElectrical Connections Wiring practiceExamples of input /output wiring and connections Thermocouple wiresClass Limit of Error of thermocouple wiresBattery Charger Power SupplyHow to maximize the battery life Battery Line OpBattery voltage indication Power onOperating mode set up Operation & ApplicationsParameter or sensor selection OUT mode selection1032.2C TcK Out 0.0C TcKRj mode International Temperature ScaleTecnical unit Decimal point positionIN-OUT data memories Data memory configurationAverage readings Data memory automatic scanning Data memory manual recallSimulation cycle selection Manual step advanceAutomatic simulation cycle Start 0.0mV Time 0h 0m 50sEnd 100.0mV 0mVSimulation cycle Rj compensation mode checkScale factor program Mode Linear Mode SquareRJ 0.0C ext ProgWord psi Word hPa Word mbarExternal Rj compensation Installation parameter procedureFirmware version code Serial number Digital output wiring practice Digital interface data program modeDigital Interface Baud RateComputer CL526 TTL to RS 232 adapterCommunication protocol from CL526 to a PC Data InstructPage Ramp = OHM Computer request for CL526 settingsMode InstrDis/Lin STO 2 #D 127 202 Display Chksum = DATA1 + DATA2 + Data 3 + Data 4 .AND.7F Example a data transfer from CL526 to PC Communication programsExample B PC instructions to CL526 Example a3ØØ While LOC 1 = Ø Wend Safety recommendations MaintenanceFaulty operating conditions Error ChecksumStorage Protection fusesIndex WARRANTY/DISCLAIMER Temperature