Cosa-xentaur Xentaur XDTL-HT Manuel d'utilisateur

XTDL-HT™ Optical Moisture Dew Point Analyzer User Manual

10 Installation Calibration Gas InletProcess Gas InletInstrument Air InletElectrical Wiring Cable GripsVentPressure GaugeFlow MeterKeypadDisplayMount

Installation 11 Extractive Installation Enclosure16489Calibration Gas InletProcess Gas InletSample Gas Exhaust7pipelinePipe NippleThredoletBal

12 Electrical Connections There are four watertight cable grips on the bottom of XTDL-HT™ enclosure. They accommodate cables with diameter between 0.

Installation 13 Connecting Power The XTDL-HT™ requires AC power of 110/230VAC, 50/60 Hz. The voltage rating should be specified on the order a

14 Interfacing to RS-232/RS-485 Depending on the ordered configuration, the XTDL-HT™ supports RS-232 or half-duplex RS-485 serial interface option. T

Installation 15 Wiring Relay Contacts Standard XTDL-HT™ has one mechanical relay for user control. Two more relays are available when optional

16 unsure whether accurate measurement is ready. If the instrument has been inactive for more than a month, run TruTune™ once before using measuremen

User Interface 17 User Interface The user interface consists of a graphical display, status indicators, and a keypad. Status Indicators There

18 Menu is also displayed by occupying the chart area. To enter the menu, press the key from the main screen. The instrument automatically exits the

User Interface 19 When entering a new field value, by pressing and holding the key for 3 seconds the value will be incremented by the next

LAS.99.D.10027 Rev 1 September, 2013 COSA Xentaur Corporation www.cosaxentaur.com Copyright © 2013 All rights reserved. The

20 icon appears next to the relay status. The default user passcode is 0000 and the default administrator passcode is 1234. Enter user or administra

Measurements 21 Measurements In addition to the sample dew point, the XTDL-HT™ measures sample temperature, sample pressure, and enclosure tem

22 Setup Menu MeasurementDewpoint Temperature Pressure Enclosure TempUnitBuffer SizeLow AlarmHigh AlarmCritical AlarmGas MatrixTuneUnitBuffer SizeLow

Modbus Communication 23 Modbus Communication The XTDL-HT™ can be monitored and controlled remotely via the standard Modbus communication proto

24 Setup Menu CommunicationModbus SerialEthernet32-bit FormatChannel 1Channel 2EthernetAddressAddressAddressChannel 1Chanel 2Baud RateParityStop Bits

Modbus Communication 25 Modbus/TCP The Modbus/TCP protocol is used on Ethernet communication. The XTDL-HT™ supports traditional IPv4 internet

26 Analog Outputs The XTDL-HT™ supports a variety of analog output options. It can be configured to output 4-20mA, 0-20mA, 0-24mA, 0-5V, 0-10V, ±5V,

Analog Outputs 27 Setup Menu Analog OutputChannel 1VariableLower RangeUpper RangeTypeCalibrateTestLower LimitUpper LimitChannel 2VariableLower

28 Remote Controlled The analog outputs on the XTDL-HT™ can be remotely controlled via its Modbus interfaces. In addition to configuring the channels

Relays 29 Relays The XTDL-HT™ can control up to four relays. Relay 2 is reserved for controlling the enclosure heater. Relays 3 & 4 requi

3 Table of Contents Unpacking _________________________________________________________________________ 5 Warning Labels _______________________

30 Setup Menu VariableAlarm StateOn ErrorSelf ClearedModeDayTime OnTime OffTimeChannel 1VariableAlarm StateOn ErrorSelf ClearedVariableAlarm StateOn

Relays 31 Time Controlled The relay can be automatically turned on and off based on a specific time and day. For example, it can be set to tur

32 PID Controllers A PID controller is a generic control loop feedback mechanism that attains a process output setpoint with minimal error. The XTDL-

PID Controllers 33 Select the measurement input to PID controller X Go to PID > Channel X > Variable Change the process setpoint to PID

34 Support Information Restoring default values If something is wrong with instrument operating parameters, the factory default values can be restore

Maintenance 35 Troubleshooting Symptoms Solutions Dewpoint reading is consistently higher than expected Check all connections for leaks. Make

36 Symptoms Solutions Ethernet communication not working Make sure that each XTDL-HT™ instrument has a unique MAC address and IP address on your netw

Maintenance 37 Maintenance Although the XTDL-HT™ laser cell is designed to withstand high level of contamination, the instrument is recommende

38 If the warranty has expired, or the damage is due to improper use or exposure of the equipment; then the repair facility will provide an estimate

Appendix A: Enclosure Dimensional Drawing 39 Appendix A: Enclosure Dimensional Drawing

4 Analog Outputs ___________________________________________________________________ 26 Current Output ____________________________________________

40 Appendix B: Modbus Registers Coil Registers Register Number Address Access Level Description Physical output 1 0 (0h) User Relay 1 2 1 (1h) User R

Appendix B: Modbus Registers 41 Input Registers Register Number Address Access Level Data Type Description 30001 0 (0h) Read-Only Float Dewpoi

43 Appendix B: Modbus Registers Holding Registers Register Number Address Access Level Data Type Description Values Measurement setting regist

44 Register Number Address Access Level Data Type Description Values 40122 121 (79h) Read-Only Float Sample pressure high limit Valid values ar

45 Appendix B: Modbus Registers Register Number Address Access Level Data Type Description Values 40303 302 (12Eh) Admin 16-bit Day of the wee

46 Register Number Address Access Level Data Type Description Values 40305 304 (130h) Admin 16-bit Relay 1 mode bit 0: Polarity (0=normally clo

47 Appendix B: Modbus Registers Register Number Address Access Level Data Type Description Values Digital input registers 40351 350 (15Eh) Adm

48 Register Number Address Access Level Data Type Description Values 40405 404 (194h) Admin 16-bit Analog output 1 variable 0=Off 64=Dewpoint 6

49 Appendix B: Modbus Registers Register Number Address Access Level Data Type Description Values 40415 414 (19Eh) Admin 16-bit Analog output

5 Unpacking Unpack the XTDL-HT™ in a clean, dry area. Check the packing list for an itemized record of all equipment shipped. Examine all packing

50 Register Number Address Access Level Data Type Description Values Serial Link Registers 40602 601 (259h) User 16-bit Serial link 1 stop bits

51 Appendix B: Modbus Registers Register Number Address Access Level Data Type Description Values 40668 667 (29Bh) User 16-bit TCP port Valid

52 Register Number Address Access Level Data Type Description Values Chart Registers 40842 841 (349h) User 16-bit Chart update rate 0=every sec

53 Appendix B: Modbus Registers Register Number Address Access Level Data Type Description Values 40914 913 (391h) Admin 16-bit PID 2 integral

54 Register Number Address Access Level Data Type Description Values 41014 1013 (3F5h) Read-Only 32-bit Software revision byte 0=Build revision

Index alarm, 20, 28 analog outputs, 13, 25, 26, 27, 32, 34, 39, 45, 46 Calibrate the digital-to-analog converter, 26 Beeper, 49 chart, 18, 5

Corporate Headquarters COSA Xentaur 84G Horseblock Road Yaphank, NY 11980 USA Phone: +1-631-345-3434 Texas Regional Sal

6 Overview The COSA Xentaur XTDL-HT™ is a tunable diode laser moisture analyzer with a new proprietary measurement cell designed for harsh environmen

Specifications 7 Specifications Measurement Range 3,000-25,000ppmV H2O -8.2 to 20.9°C (at 14.696 psiA) Accuracy ±2% or ±200ppm, whichever is g

8 Theory of Operation Atoms and molecules have absorption spectra that are distinctive to their species. The XTDL-HT™ measures water vapor in a sampl

Theory of Operation 9 In typical laser absorption instruments, light beam is reflected on one or two mirrors inside the sample cell before re