MarathonメーカーF200060の使用説明書/サービス説明書
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Marathon Sens ors Inc. Oxymit ™ Tran smitter Operators Manua l.
F200060 Revision: 00 04/18/2001 01 04/23/2001 02 05/08/2001 03 09/19/2001 04 11/01/2001 05 11/21/2001 06 04/19/2002 07 10/30/2002 08 11/13/2002 09 11/06/2003 10 12/03/2003 11 09/30/2004 12 04/04/2005 13 04/11/2005 14 11/14/2006 COPYRIGHT © 2004 MARATHON SENSORS INC.
Table of Contents GENERAL DESCRIPTION ................................ ................................ ................................ ............................ 2 SAFETY SUMMARY ................................ ................................ ..
Page 1 of 23 11/14/200 6 Rev. 14 NOTE: Please specify the following parameters when ordering a transmitter; process type, process range (%, ppm), thermocouple type, temperature scale F/C, analog output 1 process and scale, analog output 2 process and scale.
Page 2 of 23 11/14/200 6 Rev. 14 General Descr iption The Oxymit ™ Transmitter has been designed to work as an analog or digital interface for any zirconia based oxygen probe used to track dew point, carbon potential, or oxygen.
Page 3 of 23 11/14/200 6 Rev. 14 Safety Summ ary All cautions and instructions that appear in this manual must be complied with to prevent personnel injury or damage to the Probe T ransmitter or connected equipment. The specified limits of this equipment must not be ex ceeded.
Page 4 of 23 11/14/200 6 Rev. 14 The next figure shows a schematic represent ation of the Probe Transmitter and t ypica l connections required in the field.
Page 5 of 23 11/14/200 6 Rev. 14 Table 1 Process Pa rameters Parameter Name Selection Default Units or Option s Range PROCESS TYPE %O2 CARBON, DPT, %O2, MV CARB PROC FACT 150 0 to 1000 DEWPT PROC FACT.
Page 6 of 23 11/14/200 6 Rev. 14 Oxygen Exponent The range of ox y gen is factor y configured using the oxygen exponent number. Percent oxygen is the standard setting where the oxygen exponent is set to 2 and the output range is 0.00% to 20.9%. For a part per million ( ppm) range the exponent would be set to 6 and the output range of 0.
Page 7 of 23 11/14/200 6 Rev. 14 Table 2 Analog Outputs Parameter Name Oxygen Default Possible Options Possible Ranges OUTPUT 1 MODE O2 0–20.9% 4-20mA O2, CARBON, DEWPT, TEMP, LIN, PROG O2 = 0 – 9999 %C = 0.
Page 8 of 23 11/14/200 6 Rev. 14 Process Variable Calcu lations The transmitter has a selectable process cal culation for percent carbon, percent ox yge n, or dewpoint. The followin g equations are used to derive these values; Percent Oxygen 20.95 %O2 = -------------------- --- e (E/0.
Page 9 of 23 11/14/200 6 Rev. 14 Communications The Transmitter is capable of digital communications usin g the Modbus protocol. Thi s is possible by connecting to the half duplex RS-485 terminals using a shielded twisted pair.
Page 10 of 23 11/14/200 6 Rev. 14 byte received will be an address. The follow command messa ge structure is used, where T is the required character delay.
Page 11 of 23 11/14/200 6 Rev. 14 The following is an example of a fun ction 03 call for dat a at memory location 03. The value returned by the instrument is t he hex value 1E.
Page 12 of 23 11/14/200 6 Rev. 14 Memory Map NOTE: Modbus refers to the he xadecimal register location. These parameters are formatted as unsigned 16 bit integers. An y real number suc h as temperature can be evaluated as a signed number , other parameters are bit mapped words that must be evaluated as single bits are bit groups.
Page 13 of 23 11/14/200 6 Rev. 14 BLOCK 0 HEX DEC PARAMETER DESCRIPTION READ/W RITE DEFAULT = 150 05 5 EVENT LDLN LOW BYT E – INPUT EVENT CONFIGURAT ION Bits 0 – 3 0000 = None 0001 = Auto Mode Sel.
Page 14 of 23 11/14/200 6 Rev. 14 BLOCK 0 HEX DEC PARAMETER DESCRIPTION READ/W RITE BITS 0 - 4 OXYGEN E XPONENT RANGE = 0 to 31, where 2 = % and 6 = ppm DEFAULT = 2 BITS 5 - 6 DISPL A Y DECIM A L PL ACE where: 0 = no decimal point in di spla y 1 = Display X XX.
Page 15 of 23 11/14/200 6 Rev. 14 BLOCK 0 HEX DEC PARAMETER DESCRIPTION READ/W RITE HIGH BYT E, ANALOG OUTPUT 2 BITS 8 – 12 0000 = N/A 0001 = Tem perature 0010 = Linear I nput A 0011 = Carbon value .
Page 16 of 23 11/14/200 6 Rev. 14 BLOCK 0 HEX DEC PARAMETER DESCRIPTION READ/W RITE source value is b ased on the s election in ASRC upper b yte where 14 20 SPAR E SPARE READ/W RITE 15 21 SPAR E SPARE READ/W RITE 16 22 SPAR E SPARE READ/W RITE 17 23 T EMPFIL Temperature Inpu t Filter in seco nds Range = 0 t o 3276.
Page 17 of 23 11/14/200 6 Rev. 14 BLOCK 1 HEX DEC PARAMETER DESCRIPTION READ/W RITE 22 20 DACV2 ANALO G OUTPUT 2 0 to 4095 is 4 to 20 m a In dual m ode 4mA = - 100, 12m A = 0, 20mA = +100 READ/W RITE .
Page 18 of 23 11/14/200 6 Rev. 14 Operational Spe cifications Power input 21.6 to 26.4 volts DC / 1 30mA Thermocouple input Thermocouple type Zero ºF Span ºF B 800 3000 C 32 3000 E 32 1300 J 32 1300.
Page 19 of 23 11/14/200 6 Rev. 14 Thermocouple Null Thermocouple Span Cold Junction Trim Communications port RS-485 Half Duplex Only Protocol Modbus RTU Baud rates 1200, 2400, 4800, 9600, 19.
Page 20 of 23 11/14/200 6 Rev. 14 Fast Transients EN 61000-4-4 Level 4: 2 kV I/O Level 3: 2 kV power RF conducted interference EN 61000-4-6 Level 3: 10 V/ rms 150 KHz – 80 MHz Emissions as specified.
デバイスMarathon F200060の購入後に(又は購入する前であっても)重要なポイントは、説明書をよく読むことです。その単純な理由はいくつかあります:
Marathon F200060をまだ購入していないなら、この製品の基本情報を理解する良い機会です。まずは上にある説明書の最初のページをご覧ください。そこにはMarathon F200060の技術情報の概要が記載されているはずです。デバイスがあなたのニーズを満たすかどうかは、ここで確認しましょう。Marathon F200060の取扱説明書の次のページをよく読むことにより、製品の全機能やその取り扱いに関する情報を知ることができます。Marathon F200060で得られた情報は、きっとあなたの購入の決断を手助けしてくれることでしょう。
Marathon F200060を既にお持ちだが、まだ読んでいない場合は、上記の理由によりそれを行うべきです。そうすることにより機能を適切に使用しているか、又はMarathon F200060の不適切な取り扱いによりその寿命を短くする危険を犯していないかどうかを知ることができます。
ですが、ユーザガイドが果たす重要な役割の一つは、Marathon F200060に関する問題の解決を支援することです。そこにはほとんどの場合、トラブルシューティング、すなわちMarathon F200060デバイスで最もよく起こりうる故障・不良とそれらの対処法についてのアドバイスを見つけることができるはずです。たとえ問題を解決できなかった場合でも、説明書にはカスタマー・サービスセンター又は最寄りのサービスセンターへの問い合わせ先等、次の対処法についての指示があるはずです。