Hach 3654 Portable H2/N2 Analyzer manual Pin RS232 Signal Use

Page 18

12 of 66	Installation - 3654 Portable H2/N2 Analyzer

It is not necessary to keep the PC connected to the instrument during measurement. This connection is required for downloading stored measurements, real-time monitoring, reviewing and changing configuration parameters and testing the instrument from the PC (see “Troubleshooting - Instrument” on page 50 for details).

Fig 1-3:Interface Box Connections



	Pin	RS232 Signal			Pin	Use
	Pin 1	Transmitted data (TXD)			Pin 1	Not Used

	Pin 2	Received data (RXD)			Pin 2	RS-232 Transmitted Data (TXD)

	Pin 3	Not Used			Pin 3	RS-232 Received Data (RXD)

	Pin 4	Not Used			Pin 4	Not Used

	Pin 5	Not Used			Pin 5	Ground

	Pin 6	Ground			Pin 6	Not Used

					Pin 7	Not Used

					Pin 8	Not Used

					Pin 9	Not Used

ORBISPHERE

Operator Manual

Image 18

Contents Operator Manual Page Product Recycling Information Orbisphere Product Disposal Following only applies to European customersBoard Analog Board Spacer External Connector Restriction of Hazardous SubstancesTable of Contents Accessories and Attachments Maintenance and TroubleshootingCalibrations Specifications Part ListsAppendix a Glossary Table of Contents 3654 Portable H2/N2 Analyzer About this Manual Safety ConventionsManual Overview Revision HistorySafety Precautions Safety RecommendationsService and Repairs Precautionary Labels AcknowledgementsOrbisphere Installation What you have ReceivedWIN3654 PC Program Installation Sensor InstallationAtmospheric Pressure Equilibrium Connections External Power Supply optionalPurge Gas Connection Instrument PC ConnectionPin RS232 Signal Use Flow Chamber Installation Installation Completion Check List Flow Chamber Dissolved Gas MeasurementsOrbisphere Operating Instructions Operating ControlsMeasurement Phase on Select Gas Measurement Phase Measurement ModeTaking Measurements Storing Measurements In the Instrument Automatic Data AcquisitionManual Data Acquisition Storing and Accessing Measurements From a Computer Viewing Stored MeasurementsDownloading Stored Values Altering the Sampling Point Descriptions Copying ValuesSaving Values Printing Values Clearing Stored ValuesMonitoring Measurements In Real-Time Timebase Updating Rate Maximum Samples 10 divisionsAfter Use and Storage Options Setup Main Menu BasicsOptions Setup 3654 Portable H2/N2 Analyzer Gas Measurement Phase Reviewing Instrument ConfigurationConfiguring the Instrument Analyzer PC ConnectionMeasurement Units Automatic Data Acquisition Setting Sampling Intervals Membrane SelectionCalibration Medium Locking Out the Instrument’s CAL ButtonRolling Average Automatic Shutdown Orbisphere Calibrations Barometric Pressure Sensor CalibrationSensor Calibration Calibration Method Time Benefits Drawbacks ReferenceCalibration Setup Calibration In H2 or N2 at Atmospheric Pressure Calibration In H2 or N2 at Elevated Pressure Calibrating In a Liquid H2 or N2 Solution Accessories and Attachments Model 32311 Flow MeterModel 32939 External Power Supply Sensor Maintenance Maintenance and TroubleshootingPower Supply Maintenance ScheduleMembrane Replacement Mounting Dual MembranesRemoving the Membrane Installing the Membrane Orbisphere Place the membrane holding ring on the installation tool tip Purge Gas Cylinder Refill 1 N2 Purge Gas2 CO2 Purge Gas Filling the Purge Gas CylinderTroubleshooting Instrument Serial TestKeyboard Test Clock Settings Display TestAnalog Voltages View Measurements ViewProgram Identification Troubleshooting OperationDiagnostics Messages Continuous PurgeTroubleshooting Table Symptom Cause Possible SolutionSpecifications Instrument SpecificationsSensor Specifications Sensor Type 31 270 HSensor Type 31 272 H 31 570 N PFA Etfe EctfeSpecifications 3654 Portable H2/N2 Analyzer Part Lists Instrument ConfigurationsTC Sensor and Parts on Configured System Analyzer Spare PartsSensor Spare Parts Terms and Definitions Appendix a GlossaryCommon Units UnitGlossary 3654 Portable H2/N2 Analyzer Annex Tables and IllustrationsAnnex 3654 Portable H2/N2 Analyzer User Notes