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User’s

Manual

Model DT450G

Dust Monitor

IM 11K01C01-01E

IM 11K01C01-01E

5th Edition

Содержание DT450G Series

Страница 1: ...User s Manual Model DT450G Dust Monitor IM 11K01C01 01E IM 11K01C01 01E 5th Edition...

Страница 2: ...hould be read for installation operation or maintenance work Table of Contents Chapter Outline Relates to Installation Operation Maintenance 1 Overview Standard specifications Model and Suffix codes o...

Страница 3: ...tive or sales office This manual does not cover the special specifications This manual may not be changed on any change of specification construction and parts when the change does not affect the func...

Страница 4: ...round Terminal This symbol indicates Function Ground Terminal Do not use this terminal as the protective ground terminal l Special descriptions in this manual This manual indicates operation keys disp...

Страница 5: ...meet the operating conditions and if necessary reconfigure parameters For checking the parameter settings refer to Chapter 4 It is recommended that the reconfigured parameter settings be recorded l H...

Страница 6: ...y period Failure of components which are out of scope of warranty stated in instruction manual Failure caused by usage of software hardware or auxiliary equipment which Yokogawa Electric did not suppl...

Страница 7: ...Blank Page...

Страница 8: ...ing the Pipe for Air Purge 3 2 3 2 Connecting the Wires for the Power Supply 3 3 3 3 Connection of Wires for the Output Signals 3 4 3 4 Grounding the Duct 3 5 4 Operation 4 1 4 1 Components and Their...

Страница 9: ...ii IM 11K01C01 01E CONTENTS 5 2 Replacing Parts 5 2 6 Troubleshooting 6 1 Customer Maintenance Parts List CMPL 11K01C01 01E Revision Information i...

Страница 10: ...ocess temperature of up to 250 C allowing it to cover a wide range of applications l Measuring Principle When two solid particles come into contact with each other charge transfer takes place between...

Страница 11: ...step Analog output signal 4 20 mA DC insulated load resistance 500 V Contact output signal high low alarm Contact capacity 5 A 240 V AC or 24 V DC Setting range 1 to 99 1 step of measurement span Con...

Страница 12: ...Connection Rc1 4 Air source Clean dry air equivalent to instrument air at process pressure 50 kPa Air consumption approx 50 Nl min Mounting Socket dedicated or flange Weight Approx 2 3 kg excluding f...

Страница 13: ...ANSI Class 150 2 1 2 RF Flange mounting JIS 5K 65 FF Flange mounting JIS 10K 80 FF Flange mounting JIS 10K 100 FF Flange mounting JPI Class 150 2 1 2 RF A Always A Option TC Probe Teflon coated Note...

Страница 14: ...13 277 250 Teflon coated Option TC Welding socket type ai 2 9 90 59 5 A A 10 30 5 37 7 34 A A Section Welding Socket accessory of Stainless Steel 316L SS 38 2 cutout 40 Max 15 Locate the cutout for tu...

Страница 15: ...5 to 10 Unit mm Flange type ai Flange Dimensions Unit mm 175 210 18 18 19 19 150 185 22 5 22 4 19 19 1 178 139 7 139 7 177 8 14 15 130 155 JPI Class 150 2 1 2 RF ANSI Class 150 2 1 2 RF JIS 10K 100 F...

Страница 16: ...t is where there is no flowmeter or valve that may disturb the gas flow and where the duct is straight and the length is adequate in comparison with the inside width of the duct Ideally the straight p...

Страница 17: ...sing above 45 C Note The DT450G can be operated within an ambient temperature range of 20 C to 45 C If the part of the duct assigned for the probe inlet is covered with insulating material that is lik...

Страница 18: ...t be detached for cleaning the sensor probe For safe operation of these maintenance works a sufficient maintenance space as shown below is required See Figure 2 3 1 m 1 m 1 m Maintenance space 0 5 m 0...

Страница 19: ...s The standard insertion length of the sensor probe is 460 mm For welding the socket cut out a 38 0 mm diameter hole on the duct or pipe The socket s outer diameter is 37 7 mm Weld all around the sock...

Страница 20: ...e will prevent correct measurement If the process gas is cooled down around the sensor connection port when measuring high temperature and high humidity gas be sure to purge the air in order to preven...

Страница 21: ...lange specifications Be careful not to damage the O ring when mounting the DT450G onto a socket CAUTION If the gas to be measured is flowing constantly through a duct where the DT450G is mounted air p...

Страница 22: ...put signals must be connected This chapter explains how to connect the pipe and wires to DT450G in the following order of topics Connecting the pipe for air purge Connecting the wires for the power su...

Страница 23: ...than that of the gas being measured If the effect of air purge is inadequate due to the presence of moisture in the gas being measured the DT450G may require air purge at a higher pressure For air pur...

Страница 24: ...he cable from the power supply through the DT450G s cable connection fitted with a Pg11 cable gland into the DT450G s inner assembly Then connect the cable to the AC1 terminal non grounded side and AC...

Страница 25: ...e side and mA negative side terminals Also connect the core wires of the alarm contact signal to the c of RL1 or RL2 and nc terminals for an open contact upon alarm output or to the c and no terminals...

Страница 26: ...ay be a danger of electrical shock due to high potential static electricity If a duct or other alternative facility where the DT450G is mounted is charged with electricity the electricity will serve a...

Страница 27: ...Blank Page...

Страница 28: ...r of topics Components and their functions Preparation for operation Regular operation 4 1 Components and Their Functions Name Func ai Not used A Key B Key C Key Not used mA mA no c nc no c nc Output...

Страница 29: ...rect sunlight that causes an abnormal temperature rise or subject to heat radiated from other equipment The duct or other alternative facilities where the DT450G is mounted is reliably grounded Wires...

Страница 30: ...e parameter you wish to change refer to Table 4 1 The two other display digits now show the parameter value Pressing the middle B key and rightmost C key you may now change the parameter value See ins...

Страница 31: ...suring range can be set manually or by Auto Setup button l Manual Setting In manual setting the measuring range is set by amplifying the signal detected by the sensor in 5 stages Press the leftmost A...

Страница 32: ...and the indicator lamp is red as long as the data are being collected To avoid interference from the background electrical noise you should close the cover of the enclosure right after having initiat...

Страница 33: ...n If the measured value is found to be abnormal remove the DT450G and examine the state of dust contamination of the sensor probe If the cause of the abnormal measured value is dust accumulation clean...

Страница 34: ...ine that was connected when the DT450G was installed If the DT450G is not yet grounded with a grounding line ground it before you start maintenance This chapter explains inspection and maintenance car...

Страница 35: ...probe also remove dust that has accumulated on the probe inlet 5 1 2 Correcting Resetting the Measurement Range The sensor probe may be worn out by dust contained in the gas under measurement Although...

Страница 36: ...ntinue air purge for a while If contaminants still remain in the piping contact Yokogawa Electric for assistance The output signal does not stabilize The flow velocity of the gas under measurement is...

Страница 37: ...Blank Page...

Страница 38: ...ut notice Model DT450 Dust Monitor CMPL 11K01C01 01E 2nd Edition Feb 2012 YG 1 3 4 2 DT450G for CMPL eps Item Part Number Qty Description O ring Flange assembly JIS 5K 65 FF JIS 10K 80 FF JIS 10K 100...

Страница 39: ......

Страница 40: ...2 Machining of Probe Inlet Deleted some descriptions in When Mounting to Socket 3 2 Connecting the Wires for the Power Supply Deleted some descriptions 3 3 Connection of Wires for the Output Signals...

Страница 41: ...e following website Home page http www yokogawa com an n Written by Environmental Analytical Products PMK Dept IA Div Product Business Center Yokogawa Electric Corporation n Published by Yokogawa Elec...

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