Emerson NGA 2000 TO2 instruction manual Communication protocol, Relay Outputs Setup, Invert signal

Page 54

Instruction Manual

760008-A September 2001

Model NGA 2000 TO2

Communication protocol:

AK

MODBUS RTU

None (not applicable to TO2)

NOTE:

The “special protocol definitions…” line accesses a submenu for setting the parameters of the AK and MODBUS TRU communication protocols.

TO2

37.50 ppm

-- AK Protocol Definitions --

 

 

 

Device address (RS-485 only):

1

Measure

 

Back…

 

The value can range from 1 to 50.

d.Relay Outputs Setup

From menu System SIO Module (Figure 3-25), select Relay outputs setup…

TO2

 

37.50 ppm

 

 

-- Relay Outputs Setup --

 

 

 

 

 

Output number:

1

 

 

Invert signal:

 

Disabled

 

Choose source module…

 

 

 

 

Choose signal…

 

 

 

 

Signal comes from:

Control Module

 

Signal name:

 

Failure

 

Actual status:

 

Off

 

Measure

 

Back…

 

 

open) or NC (normally closed). Full details of the SIO board are contained in its own manual.

The three lines displayed at the bottom of the “Relay Outputs Setup” menu show the current status of the selected relay output.

Signal comes from: The module chosen from the “Choose Source Module” menu.

Signal name: The signal chosen from the “Choose Signal” menu.

Actual status: The current status of the singal; Off or On.

Output number:

Corresponds to the relay number 1-3.

Invert signal:

“Disabled” signal is normal, “Enabled” signal is inverted.

Choose source module..

Brings up menu shown below.

TO2

37.50 ppm

 

-- Choose Source Module --

Control module: 0.0

TO2: 1.0

Measure

<<<

Back…

>>>

Choose desired source module for the relay output number (1-3) being config- ured.

Select the “Configuration of relay out- puts…” line in the “Local SIO Configura- tion Parameters” menu to change to the submenu “Relay Output Setup” to attach signals to the relay outputs.

There are three relays on the SIO board. The contact logic can be set with a jumper on the SIO board to select NO (normally

The list of modules will depend on the in- stalled modules.

3-30 Operation

Rosemount Analytical Inc. A Division of Emerson Process Management

Image 54
Contents Model NGA 2000 TO2 Essential Instructions Table of Contents Model NGA 2000 TO2System & Network I/O Module Controls Setup Material Safety Data SheetList of Illustrations Analyzer Module Interconnection with Instrument PlatformModel NGA 2000 TO2 Preface Intended USE Statement DefinitionsSafety Summary Model NGA 2000 TO2 Documentation CompliancesGlossary of Terms Softkeys SystemOverview Section Description and SpecificationsFeatures Typical ApplicationsTrace Oxygen Detector Coulometric Principle Trace Oxygen Analyzer Module Top View Sample SPECIFICATIONS1General PhysicalGas Connections Model NGA 2000 TO2 Electrolyte Section InstallationUnpacking Electrolyte AdditionGAS Overpressure GasesGAS Connections Sample FlowLeak Test Sensor DamageElectrical Connections Electrical Shock Hazard Analyzer Module Interconnection with Instrument Platform Outline and Mounting Dimensions Back Panel Connections Operation Displays & Operating KeysAnalyzer basic controls calibration & setup… Menu Lines & Softkey FunctionalityMeasure Status… Channel Lock… MFG Data Signal on mini-bargraph Entering & Changing VariablesMeasure Back… Measure Mode Display Ppm O2Display Status… Main… Channel BasicCal Module Manufacturing Data Displays LCDReset Abort Startup & InitializationQuick Start Initiate quick startMeasure Status… Back… Analyzer Channel Status Basic CONTROLS, Setup and StatusPower supply voltages… Measure Back… Display Status… Main… ChannelSingle Component Display Display Status…Main… Channel BasicCal Select Status… Tags Off LCDReset Multi Component DisplayOperation Status Basic Controls and SetupRange number Range numberDisplay controls… Display ControlsBrightness and Contrast Brightness 70 %Analyzer module controls… Expert Controls and SetupAnalyzer and I/O, expert controls & setup… Measure Channel Back…Calibration Procedure Gas Scale FactorGas scale factor… Air background gas concentrationSpan Calibration Span gas 90.0 ppm Measure Status… Back…Concentration alarm setup… Measure Back… ClrAlm AlarmsAlarms… Alarm generation isReBegin / end of ranges… RangesRanges… Range Begin PpmMeasurement Display Configuration Measurement display configuration…Linearization Concentration measurement… Concentration MeasurementGas measurement units Gas concentration unitsClamp low PVA to Temperature compensation at span gasSensor model Ppm to mg/Nm3 conversion factorFlow Measurement Flow measurement…Flow lower limit 400 ml/min Temperature Measurement Temperature measurement… Measure Status… Back…Temperature measurement units 37.50 ppm System & Network I/O Module CON Trols SetupSystem & network I/O module controls… System SIO module…Analog output setup… System SIOSelect analog output number Analog Output SetupChoose signal Choose the analyzer moduleSignal value for 0% output Hold output during calibrationHold output during calibration Operation mode Outputs value on analyzer failureOutput number Output #1 Yes Analog Output Updates Per SecondType of installed serial inter- face Baud rate 19200Communication protocol Relay Outputs SetupInvert signal Choose source moduleFunction control Choose signal…System DIO Input numberSystem Configuration and DIAG- Nostics Diagnostic Menus Load/Save Module Configura- tionAnalyzer Module Diagnostics Date and Time Security CodesSystem Reset System reset Measure Back…Entering a level locked by security code Model NGA 2000 TO2 Section Maintenance and Service Overview Electrical Shock HazardSensor Caustic Liquid Sensor Assembly Refilling SensorElectrolyte Replacement Sensor ReplacementSensor Lleak Check Do not tilt Sensor excessively as elec- trolyte may leak Analyzer and I/O expert controls & setup…Linearization Time & Date0000 ppm Linearization temperature values…Linearization… Linearization raw values sensor current…Fuses Flow Sensor ReplacementElectronic Components Printed Circuit BoardsFailure to purge down to ppm levels Section TroubleshootingTroubleshooting Erratic and very insensitive readingsModel NGA 2000 TO2 Section Replacement Parts MatrixTO2 NGA 2000 TO2 Trace Oxygen Analyzer Module Replacement Parts Return of Material Customer ServiceSection Return of Material TrainingModel NGA 2000 TO2 Section Index Model NGA 2000 TO2 Product ELECTROLYTE1 Other precautions Emergency & first aid proceduresPrecautions to be taken in handling Threshold limit value Routes of entryRosemount Warranty Asia Pacific EUROPE, Middle EAST, Africa Latin America