ircon Modline 4 Installation And Operation Manual
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ircon Modline 4 Installation And Operation Manual

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INSTALLATION and OPERATION MANUAL
The device complies with the requirements of the European Directives.
EC - Directive 2004/108/EC (EMC)
Fluke Process Instruments
Americas
Everett, WA USA
Tel:
+1 800 227 8074 (USA and Canada, only)
+1 425 446 6300
solutions@flukeprocessinstruments.com
EMEA
Berlin, Germany
Tel:
+49 30 4 78 00 80
info@flukeprocessinstruments.de
China
Beijing, China
Tel:
+8610 6438 4691
info@flukeprocessinstruments.cn
Revision S 5
04/2019
Part No. 050401
Worldwide Service
Fluke Process Instruments offers services, including repair and
calibration. For more information, contact your local office.
www.flukeprocessinstruments.com
© 2019 Fluke Process Instruments
Specifications subject to change without notice.

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  • Page 1 INSTALLATION and OPERATION MANUAL Revision S 5 04/2019 Part No. 050401 The device complies with the requirements of the European Directives. EC - Directive 2004/108/EC (EMC) Fluke Process Instruments Americas Worldwide Service Everett, WA USA Fluke Process Instruments offers services, including repair and Tel: +1 800 227 8074 (USA and Canada, only) calibration.
  • Page 2 Main Cautions and Warnings For installing, operating, and servicing this instrument, please observe all cautions and warnings that are located throughout this manual. CAUTION WARNING Example of a Caution. Example of a Warning. CE Compliance Information CAUTION Interchanging non-CE-approved components such as older sensing heads, indicators, PC boards, and cables will not maintain compliance to the CE Directive.

  • Page 4: Warranty

    IRCON, Inc. warrants equipment manufactured by it to be free from defects in materials and workmanship for a period of one year from the date of shipment by IRCON. Customer-paid repairs are warranted for 90 days from date of shipment. If within such period any such equipment shall be proved to IRCON’S satis- faction to be so defective, such equipment shall be repaired or replaced at Ircon’s option, provided the...
  • Page 6 Main...

  • Page 7: Section 1 - Introduction

    Section 1 – INTRODUCTION GENERAL DESCRIPTION MODLINE 4 is an infrared thermometer with a built-in two wire transmitter. Power it up with a 16 to 40 volt direct current source and you get a 4 to 20 mA current (maximum) that varies linearly with temperature.

  • Page 8: How It Works

    Fig. 1.3 shows a MODLINE 4 series with a digital meter across a DC power supply. The current in this circuit is determined by the MODLINE 4.
  • Page 9 The wavelength regions selected for the various It takes a whole family of instruments to cover a MODLINE 4 series are listed in Table 1.1. This wide range of measurement applications. MOD- table also summarizes some of the primary appli- LINE 4 features such a family-seven series operat- cations for these ranges.

  • Page 10: Optical Resolution

    Section 1 – INTRODUCTION OPTICAL RESOLUTION The MODLINE 4 detector “sees” a certain area Note that if you move the MODLINE 4 a little (spot on a target surface. The diameter of the closer the target will intersect a smaller cross spot is determined by the design on the section of the cone and give you a smaller spot.
  • Page 11 Table 1.1 for characteristics of any given distance from the front 0 2 F = 000 to 0200°F each series. of the MODLINE 4. See diagram 0 5 F = 000 to 0500°F and data below. 1 0 F = 000 to 1000°F 2 2 = 22 Series (8 to 14 µm)

  • Page 12: Model Identification

    Section 1 – INTRODUCTION MODEL IDENTIFICATION Note the model and serial numbers on the side plate of the sensor. Unscrew the back cover to make sure the model and serial numbers on the identification plate match those on the packing slip and on the side plate. The model number digit is explained below.

  • Page 13: Specifications

    Section Main Section 1 — INTRODUCTION 1.6 SPECIFICATIONS The following specifications are common to all Series of MODLINE 4: Operating Wavelength Region: Varies by Series (see Table 1.1) Emissivity Range: Adjustable from 0.10 to 0.99 in 0.01 increments Power Supply and Load Requirements:...
  • Page 14 Section Main Section 1 — INTRODUCTION The following specifications differ for Series 22 as compared to Series 43 through 48: Series 43 through 48 Series 22 Calibration Accuracy: Within 0.75% of full-scale Within 1.0% of full-scale temperature or 3 °F (1.7 °C), temperature or 5 °F (2.8 °C), whichever is greater whichever is greater...

  • Page 15: Product Modifications

    Section Main Section 1 — INTRODUCTION 1.7 PRODUCT MODIFICATIONS There are no special modifications in this instrument. It is standard in all respects. 1–9...

  • Page 16: Section 2 - Installation

    If you follow the simple guidelines described in this section, you system will give accurate, trouble free service. The MODLINE 4 is compatible with most 4 to 20 mA devices used in industry today. You can select a variety of indicators, recorders and other devices to complete your system.
  • Page 17 40-volt upper i mit, you stand a chance need more DC supply voltage to cover the load of damaging the MODLINE 4 sensor. If you go voltage and still leave enough to operate the below the 16-volt lower limit, the MODLINE 4 load voltage and still leave enough to operate the simply will not work.
  • Page 18 With 8 V dropped across the load elements and cables, 1200 a supply voltage of at least 24 V is needed to ensure the required 16 V minimum for the MODLINE 4 (see table 2.1 – Minimum DC Supply Requirements). IMPORTANT: DC supply voltage must never exceed 40 volts! ®...
  • Page 19 The switching system shows consists of a double pole, double throw switch which allows simultaneous switching of both MODLINE 4 output leads. The switch can be a manual or an automatically controlled switch or a set of appropriate relay contacts.

  • Page 20: Pre-Installation Notes

    Any differences that affect any given distance from the front flange of the unit. installation or operation will be pointed out in the This is the area the detector in the MODLINE 4 will following instructions. "see" on the target surface.
  • Page 21 Call IRCON for other suggestions. harsh environments. Whenever moisture, oils, or active chemicals con- If the MODLINE 4 is to be located in the cold envi- dense on a coated lens, the optics become stained. ronments where its temperature may go below the...
  • Page 22 Errors can be caused by objects between the tions. Suggestions for anticipating and eliminating MODLINE 4 and target. Any such object that hap- common reflection problems are provided in pens to be inside the Cone of Vision will be visible Section 6.

  • Page 23: Optical Characteristics

    This gives detector will see infrared radiation from other you a "cushion" for shifts in MODLINE 4 or target objects in its field of view as well as the target. position, and for the small tolerances in true vs.
  • Page 24 Main Section Section 2 — INSTALLATION TABLE 2.2 – SPOT SIZE VS. SEPARATION DISTANCE Reference Diagram For Sensors with water-cooled castings, multiply (not to scale) spot size (d) from table or formula by 1.1 Example: If d is 8.2 inches per table or diagram, d = Spot Size then d for water-cooled casting is: D = Separation Distance...

  • Page 25: Base Mounting

    BASE MOUNTING ter point on the target. This line is the optical axis. If you plan to mount the MODLINE 4 by its base Erect a mounting support with surfaces perpendic- pad, project a straight line from the bottom surface ular to this axis.
  • Page 26 Main Section Section 2 — INSTALLATION TARGET CIBLE SIDE VIEW VUE DE COTE FRONT VIEW VUE DE FACE 53 mm BOITIER STANDARD STANDARD CASTING BOTTOM VIEW VUE DE DESSOUS 3.3” (84 mm) 84 mm BASE DE MONTAGE BASE PAD WATER COOLED CASTING BOITIER REFROIDI L'axe potique est en coincidence aves NOTE:...

  • Page 27: Mounting Procedure

    Air Purge, you can assemble the MODLINE 4 and cooled castings are provided in Section 2.12. accessories, then mount the complete assembly by means of the MODLINE 4 base pad. See Fig. The MODLINE 4 is ordinarily mounted by the front 2.12 for an example of this arrangement.
  • Page 28 B. Rotate MODLINE 4 so AIR PURGE over 5/16–18 NC bolts bolts capture flange, ACCESSORY installed in mount or and tighten bolts. accessory. FIG 2.12 – MODLINE 4 (STANDARD CASTING) FIG. 2.13 – FLANGE MOUNTING PROCEDURE WITH AIR PURGE AND WATER COOLING ACCESSORIES 2–13...
  • Page 29 "quick disconnect' feature The instrument may be mounted in any orientation that makes it easy to remove the MODLINE 4 for that will afford a clear, unobstructed line of sight lens cleaning and other service routines. The and a reliable support, and also allow access to mounting procedure is illustrated in Fig.
  • Page 30 Section Section 2 — INSTALLATION WATER AND AIR REQUIREMENTS Route water and air lines before installing the MODLINE 4. Coolant water must flow to protect the Sensor from high ambient temperature whether the system is operating or not. NOTICE The chemical content of the coolant water must be compatible with Sil Brass (CDA 87500) of the casting to ensure normal operating life.
  • Page 31 There are also times when the physical MODLINE 4 restraints of the process environment make it diffi- cult, if not impossible, to mount the MODLINE 4 for a convenient, head-on view of the target. These and other 'special situations" call for special mounting procedures.
  • Page 32 MODLINE 4 and the power supply will not cause an excessive In order for the MODLINE 4 to be immune to RF voltage drop. As an example, a 3000-foot length of susceptibility, either all wiring to the sensing head...
  • Page 33 (including systems with multiple device loads), refer to Section 2.15. CONNECT If you ordered your MODLINE 4 with a peak picker option, refer to Section 2.16. FIG. 2.20 – CONNECT THE SERIES LOOP WIRES TO THE MODLINE 4 TERMINAL STRIP: plus (+) and minus (-), and EARTH GROUND TERMINAL SCREWS.
  • Page 36 Section 2 – INSTALLATION ® 2-21...
  • Page 37 Section 2 – INSTALLATION ® 2-22...
  • Page 38 SPST SWITCH ε – – MOD. ® S.N. – – SHIELD MODLINE 4 BACK PANEL PEAK PICKER PLUG WIRING DETAIL CUT SHIELD HERE; DO NOT TERMINATE SOLDER PLUG COVER CRIMP SOLDER FIG. 2.23 – PEAK PICKER CABLE AND SWITCH WRING...

  • Page 39: Installation Checklist

    ❑ Ensure MODLINE 4 has been properly grounded. ❑ Ensure proper window material has been selected for process sight window (if used). ❑ Ensure that the target fills the field of view of the MODLINE 4. ❑ Ensure that no obstructions are in the Cone of Vision.

  • Page 40: Section 3- Operation

    The new setting is the true emissivity of the uncoated If the MODLINE 4 has a Peak Picker (Block D of surface. Model No. = 1), it must be in the Direct Mode for the initial observations.
  • Page 41 Temperature Avoid Emissivity or absorbed by the window material and will not Settings Below reach the MODLINE 4. To compensate for the 350°F/175°C 0.10 window loss,multiply the target emissivity, ε , by 300°F/150°C...
  • Page 42 Potentiometer used to adjust the electronics circuits for the most suitable response to temperature changes. Use low setting to "track" rapid changes. Use higher setting to get a smooth, average temperature display. BASIC MODLINE 4 (Model No. Block D = 0) EMISSIVITY (ε) Range .10 to .99 Two-digit “press to change”...
  • Page 43 With all initial adjustments complete, you are ready to apply power to the MODLINE 4 and any related equipment. As heated object moves into the field of view, the MODLINE 4 will respond to temperatures within its temperature range.
  • Page 44 Section Section 3 — OPERATION PEAK PICKER OPERATION If your MODLINE 4 includes the Peak Picker c. If the temperature of a moving workpiece varies option (Block D of the Model Number = 1), you because of slag, oxides, etc., but you wish to know the highest temperatures;...

  • Page 45: Closing The Enclosure

    When all connections have been made, and when MODLINE 4, to follow the peaks in actual temper- you have adjusted all controls, place the cap on ature (dashed line) in the field of view. This...

  • Page 46: Section 4 - Maintenance & Service

    The checklist below will help you develop a maintenance routine suitable for your installation. Check control settings on the MODLINE 4, and on 4.2 LENS CLEANING any other instruments in the system. Make sure...
  • Page 47 Make sure loop is grounded at one point only. Ensure MODLINE 4 has unobstructed view of target and correct window materials are used. Check that the MODLINE 4 is not being operated at temperatures beyond its case operating temperature range (above maximum or below minimum): minimum limit: 32°F (0°C) for all models*...

  • Page 48: System Troubleshooting

    (204°C) for all series in water cooled enclosure. Determine if large amounts of smoke or steam are “interfering” with measurement. If MODLINE 4 has a Peak Picker (Block D of Model No. = 1), operation in Peaking mode may overcome this problem.
  • Page 49 Main Section Section 4 — MAINTENANCE & SERVICE NOTES: 4–4...

  • Page 50: Section 5 - Optional Accessories

    Digital Indicators, Power Supplies, and Accessories to facilitate mounting and provide environmental pro- tection for the MODLINE 4. The more commonly used accessories are described in this section. More specialized accessories, such as sight tubes, are described in Product Bulletin PB0070, available on request.

  • Page 51: Physical Dimensions

    AA-3 and bolt to mounting support (or additional accessory, if used). Insert gasket(s)* in recess at rear, and bolt MODLINE 4 flange (or WA-3 Water Cooling Accessory, if used) to rear flange of AA-3. Use bolts supplied with MODLINE 4 (or WA-3).

  • Page 52: Indicator / Power Supply

    The Model TV-VIEW digital meter is a power supply and a digital indicator. It can be scaled for any MODLINE 4 range, both °C or F. It provides 24 Vdc power to the sensor and accepts the 4-20 mA output.

  • Page 53: Technical Data

    Section 5 – OPTIONAL ACCESSORIES MODEL PS4-24 POWER SUPPLY The PS4-24 power supply delivers isolated dc power and provides short circuit and overload protection. Technical Data Protection class: class I Operating temperature range: -25°C to 60°C (-13 to 140°F) AC input: 100 to 240 VAC ±...
  • Page 54 SB-1 swivel base bottom view Section 5 – OPTIONAL ACCESSORIES MODEL SB-1 SWIVEL MOUNTING BASE The swivel mounting base may be used for installations that require good line of sight adjustment capability. device permits tilting and panning motions and may be locked securely in place when optical alignment is completed.

  • Page 55: Assembly Notes

    Insert the gasket(s) in recess at rear and bolt the sensor flange to the WA-3 rear flange. Note: use bolts supplied with instrument. Refer to Section 2 for grounding information. If necessary, use appropriate insulation between flanges of Modline 4 and WA-3 and attach with insulating hardware. ®...

  • Page 56: Section 6 - Applications Guide

    Unresolved Targets not picked up by the MODLINE 4 or by the use of sight tubes or some other form of shielding. (See An unresolved target can mean any of three Fig.
  • Page 57 τ caution when attempting to measure materials with = 1 - Emissivity known to be 0.80 or less. Take any appropriate steps to shield the MODLINE 4 from ε Maximum accuracy is possible when = 1.0 background radiation. Contact IRCON Applications (blackbody condition).

  • Page 58: Emissivity Tables

    To use the Emissivity Tables, go to the appropriate must set the Emissivity (E) control of the table for your instrument series, and locate the MODLINE 4 to the emissivity value of the material material of interest in that table. Note the value in ε...
  • Page 59 TABLE 6.1 GUIDE TO EMISSIVITY VALUES FOR TARGET MATERIALS IN IDEALIZED FORM ARRANGED BY CLASSES OF MATERIALS INSTRUMENT SERIES: MODLINE 4, Series 44 and 22 SPECTRUM: 8 to 14 microns All specimens in this table are in the following form: τ...
  • Page 60 Main Section Section 6 — APPLICATIONS GUIDE TABLE 6.1 (Continued) TARGET MATERIAL MINIMUM THICKNESS REFLECTANCE EMISSIVITY ε (inches) METALS, BARE Unoxidized (For oxidized samples of metals, refer to “Composites and Miscellaneous” of Table 6.12.) ALUMINUM Materials in this class are 0.98 0.02 CHROMIUM...
  • Page 61 GUIDE TO EMISSIVITY VALUES FOR TARGET MATERIALS IN THEIR “USUAL” FORM ARRANGED BY CLASSES OF MATERIAL INSTRUMENT SERIES: MODLINE 4, Series 44 AND 22 SPECTRUM: 8 to 14 microns All specimens in this table are in their common physical form — e.g. raw materials like coal, gravel, sand, etc. in their normal granular form;...
  • Page 62 Main Section Section 6 — APPLICATIONS GUIDE TABLE 6.2 (Continued) ε ε TARGET MATERIAL EMISSIVITY TARGET MATERIAL EMISSIVITY INDUSTRIAL MATERIALS, INORGANIC COMPOSITES AND MISCELLANEOUS CERAMICS ~0.80 CARBON STEEL, OXIDIZED 0.82 CLAY DRUGS, PHARMACEUTICALS CHEMICALS, LIQUID FIBERGLASS—EPOXY FORMS CHEMICALS, SOLID .80 - .95 GLASS COATED METAL COAL NICKEL, OXIDIZED...
  • Page 63 Section 6 — APPLICATIONS GUIDE TABLE 6.3 GUIDE TO EMISSIVITY VALUES FOR TARGET MATERIALS IN IDEALIZED FORM ARRANGED BY CLASSES OF MATERIALS INSTRUMENT SERIES: MODLINE 4, Series 45 SPECTRUM: 3.7 to 4.0 microns All specimens in this table are in the following form: τ...
  • Page 64 TABLE 6.4 GUIDE TO EMISSIVITY VALUES FOR TARGET MATERIALS IN THEIR “USUAL” FORM ARRANGED BY CLASSES OF MATERIAL INSTRUMENT SERIES: MODLINE 4, Series 45 SPECTRUM: 3.7 to 4.0 microns τ All specimens in this table are in their common physical form. These materials have negligible transmittance ε...
  • Page 65 Section 6 — APPLICATIONS GUIDE TABLE 6.5 GUIDE TO EMISSIVITY VALUES FOR TARGET MATERIALS IN IDEALIZED FORM ARRANGED BY CLASSES OF MATERIALS INSTRUMENT SERIES: MODLINE 4, Series 46 SPECTRUM: 2.0 to 2.6 microns All specimens in this table are in the following form: τ...
  • Page 66 TABLE 6.6 GUIDE TO EMISSIVITY VALUES FOR TARGET MATERIALS IN THEIR “USUAL” FORM ARRANGED BY CLASSES OF MATERIAL INSTRUMENT SERIES: MODLINE 4, Series 46 SPECTRUM: 2.0 to 2.6 microns τ All specimens in this table are in their common physical form . These materials have negligible transmittance ε...
  • Page 67 Section 6 — APPLICATIONS GUIDE TABLE 6.7 GUIDE TO EMISSIVITY VALUES FOR TARGET MATERIALS IN IDEALIZED FORM ARRANGED BY CLASSES OF MATERIALS INSTRUMENT SERIES: MODLINE 4, Series 47 SPECTRUM: 4.8 to 5.2 microns All specimens in this table are in the following form: τ...
  • Page 68 Main Section Section 6 — APPLICATIONS GUIDE TABLE 6.7 (Continued) TARGET MATERIAL MINIMUM THICKNESS REFLECTANCE EMISSIVITY ε (inches) METALS, BARE Unoxidized (For oxidized samples of metals, refer to “Composites and Miscellaneous” of Table 6.8.) ALUMINUM Materials in this class are 0.97 0.03 CHROMIUM...
  • Page 69 GUIDE TO EMISSIVITY VALUES FOR TARGET MATERIALS IN THEIR “USUAL” FORM ARRANGED BY CLASSES OF MATERIAL INSTRUMENT SERIES: MODLINE 4, Series 47 SPECTRUM: 4.8 to 5.2 microns Materials in this table are in their common physical form — e.g. raw materials like coal, gravel, sand, etc. in their normal granular form;...
  • Page 70 Main Section Section 6 — APPLICATIONS GUIDE TABLE 6.8 (Continued) ε ε TARGET MATERIAL EMISSIVITY TARGET MATERIAL EMISSIVITY INDUSTRIAL MATERIALS, INORGANIC COMPOSITES AND MISCELLANEOUS CERAMICS 0.98 CARBON STEEL, OXIDIZED 0.82 CLAY DRUGS, PHARMACEUTICALS CHEMICALS, LIQUID FIBERGLASS—EPOXY FORMS CHEMICALS, SOLID .80 - .95 GLASS COATED METAL COAL NICKEL, OXIDIZED...
  • Page 71 Section 6 — APPLICATIONS GUIDE TABLE 6.9 GUIDE TO EMISSIVITY VALUES FOR TARGET MATERIALS IN IDEALIZED FORM ARRANGED BY CLASSES OF MATERIALS INSTRUMENT SERIES: MODLINE 4, Series 48 SPECTRUM: 7.5 to 8.5 microns All specimens in this table are in the following form: τ...
  • Page 72 Main Section Section 6 — APPLICATIONS GUIDE TABLE 6.9 (Continued) TARGET MATERIAL MINIMUM THICKNESS REFLECTANCE EMISSIVITY ε (inches) METALS, BARE Unoxidized (For oxidized samples of metals, refer to “Composites and Miscellaneous” of Table 6.12.) ALUMINUM Materials in this class are 0.98 0.02 CHROMIUM...
  • Page 73 GUIDE TO EMISSIVITY VALUES FOR TARGET MATERIALS IN THEIR “USUAL” FORM ARRANGED BY CLASSES OF MATERIAL INSTRUMENT SERIES: MODLINE 4, Series 48 SPECTRUM: 7.5 to 8.5 microns All specimens in this table are in their common physical form — e.g. raw materials like coal, gravel, sand, etc. in their normal granular form;...
  • Page 74 Main Section Section 6 — APPLICATIONS GUIDE TABLE 6.10 (Continued) ε ε TARGET MATERIAL EMISSIVITY TARGET MATERIAL EMISSIVITY INDUSTRIAL MATERIALS, INORGANIC COMPOSITES AND MISCELLANEOUS CERAMICS 0.98 CARBON STEEL, OXIDIZED 0.82 CLAY DRUGS, PHARMACEUTICALS CHEMICALS, LIQUID OR SOLID FIBERGLASS—EPOXY FORMS COAL GLASS COATED METAL COKE NICKEL, OXIDIZED...
  • Page 75 Section 6 — APPLICATIONS GUIDE TABLE 6.11 GUIDE TO EMISSIVITY VALUES FOR TARGET MATERIALS IN IDEALIZED FORM ARRANGED BY CLASSES OF MATERIALS INSTRUMENT SERIES: MODLINE 4, Series 43 SPECTRUM: 3.36 to 3.50 microns All specimens in this table are in the following form: τ...
  • Page 76 Main Section Section 6 — APPLICATIONS GUIDE TABLE 6.11 (Continued) TARGET MATERIAL MINIMUM THICKNESS REFLECTANCE EMISSIVITY ε (inches) METALS, BARE Unoxidized (For oxidized samples of metals, refer to “Composites and Miscellaneous” of Table 6.12.) ALUMINUM Materials in this class are 0.98 0.02 COPPER...
  • Page 77 GUIDE TO EMISSIVITY VALUES FOR TARGET MATERIALS IN THEIR “USUAL” FORM ARRANGED BY CLASSES OF MATERIAL INSTRUMENT SERIES: MODLINE 4, Series 43 SPECTRUM: 3.36 to 3.50 microns All specimens in this table are in their common physical form—e.g. raw materials like coal, gravel, sand, etc. in their normal granular form;...
  • Page 78 Main Section Section 6 — APPLICATIONS GUIDE TABLE 6.12 (Continued) ε ε TARGET MATERIAL EMISSIVITY TARGET MATERIAL EMISSIVITY INDUSTRIAL MATERIALS, INORGANIC COMPOSITES AND MISCELLANEOUS CERAMICS 0.96 CARBON STEEL, OXIDIZED 0.82 CLAY 0.90 DRUGS, PHARMACEUTICALS 0.97 CHEMICALS, LIQUID 0.97 FIBERGLASS—EPOXY FORMS 0.97 CHEMICALS, SOLID 0.80 - 0.95...
  • Page 79 Main Section Section 6 — APPLICATIONS GUIDE 6–24...

  • Page 80: Section 1: Definitions

    Main Appendix NEMA SAFETY GUIDELINES FOR THE APPLICATION, INSTALLATION, AND MAINTENANCE OF SOLID STATE CONTROL Section 1: DEFINITIONS ELECTRICAL NOISE Performance of solid state controls can be affected (This section is classified as NEMA Standard 11- by electrical noise. In general, complete systems 15-1984.) are designed with a degree of noise immunity.

  • Page 81: Section 3: Application Guidelines

    Main Section Appendix Section 3: APPLICATION GUIDELINES tors, zener diodes, or snubber networks in circuits incorporating these devices. GENERAL APPLICATION PRECAUTIONS CIRCUIT ISOLATION REQUIREMENTS 3.1.1 Circuit Considerations The consequences of some malfunctions such as 3.2.1 Separating Voltages those caused by shorted output devices, alteration, Solid state logic uses low level voltage (e.g., less loss of memory, or failure of isolation within compo- than 32 volts dc) circuits.
  • Page 82 Main Section Appendix 3.3.2 Polarity and Phase Sequence Further information on electrical noise and evalua- Input power and control signals should be applied tion of the severity of noise may be found in with polarity and phase sequence as specified by ANSI/IEEE Publication No.
  • Page 83 Main Section Appendix Precautions should be taken to prevent the off- If these contaminants are allowed to collect on state current of an output device which is in the off- printed circuit boards, bridging between the con- state from energizing an input device. ductors may result in malfunction of the circuit.
  • Page 84 Main Section Appendix 4.1.2 Electrical noise is a very important considera- SPECIAL HANDLING OF ELECTROSTATIC tion in any installation of solid state control. While SENSITIVE DEVICES wiring practices may vary from situation to situa- Some devices may be damaged by electrostatic tion, the following are basic to minimizing electrical charges.

  • Page 85: Maintenance Personnel

    Main Section Appendix Section 5: PREVENTIVE MAINTENANCE instructions, if provided; otherwise, the manu- facturer should be consulted. Care must be AND REPAIR GUIDELINES taken to avoid damaging any delicate compo- nents and to avoid displacing dust, dirt, or 5.1 GENERAL debris in a way that permits it to enter or settle A well-planned and -executed maintenance pro- into parts of the control equipment.
  • Page 86 DISASSEMBLY INSTRUCTIONS FOR DISPOSAL AND RECYCLING: IRCON MODLINE 4 PRODUCT AND ACCESSORIES Following are the disassembly instructions for the Ircon Modline 4 product, including all optional accessories, in accordance to guidelines of the European Union Waste Electric and Electronic Equipment (WEEE) Directive 2002/96/EC.
  • Page 87 DISASSEMBLY INSTRUCTIONS FOR DISPOSAL AND RECYCLING: IRCON MODLINE 4 PRODUCT AND ACCESSORIES Modline 4 – with Cooling Jacket Modline 4 – with Standard Casing Rubber Aluminum Aluminum (Gasket) Aluminum Steel Brass Rubber (Gasket) Steel Brass Brass Brass Rubber (Gasket) Page 2 of 3...
  • Page 88 DISASSEMBLY INSTRUCTIONS FOR DISPOSAL AND RECYCLING: IRCON MODLINE 4 PRODUCT AND ACCESSORIES Remove Switch Assembly Remove Wiring Bracket Assembly Remove Knob and Switch Assembly Plastic Rubber Plastic Steel Steel (Switch Assembly) Aluminum Steel Steel Aluminum (Backing Plate and Screws) (Wiring Bracket Assembly,...

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