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Summary of Contents for MS2601E

Page 1: ...4 20mA Transmitter Operator s Manual Metal Samples Company A Division of Alabama Specialty Products Inc 152 Metal Samples Rd Munford AL 36268 Phone 256 358 4202 Fax 256 358 4515 E mail msc alspi com Internet www metalsamples com ...

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Page 3: ...ation 9 3 Setup and Operation 11 a Probe Selection Switches 11 b Testing the Current Loop 12 i Calibration 12 ii Testing loop output zero 4mA and span 20mA 12 iii Testing the MS2601E with the Meter Prover 12 c Interpreting Data 13 i Metal Loss 13 ii Calculating Corrosion Rate 13 d Commissioning 15 C Maintenance 16 D Troubleshooting 16 III Service and Warranty Information 18 A Warranty 18 B Obtaini...

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Page 5: ...ity to the ER probe It is then connected to the probe via a short probe cable See page 5 for mounting diagrams and specifications B Principles of Operation The MS2601E operates on the Electrical Resistance ER technique and is used in conjunction with an ER probe The ER probe utilizes a resistive sensing element manufactured from the material of interest or a close approximation which is exposed to...

Page 6: ... faster to corrosion events and upsets compared to traditional ER meters At 16 bit resolution the MS2601E can measure metal loss amounts as small as 0 0015 of the probe life Metal loss readings taken by the MS2601E are converted to a linearized 4 20mA current loop output The 4 20mA signal can be fed into a plant control system or other devices and scaled accordingly to reflect metal loss Then corr...

Page 7: ... probe life Resolution 0 0015 of Probe Life 16 bit Cycle Time 1 Minute Electrical Data PowerRequirements 11 to 28 VDC Nominal ProbeCableDistance 30 ft 9 1 m OutputSpecifications 4 20mACurrentLoopOutput Hazardous Location Certifications Europe and Worldwide Ex db ia Ga IIC T6 T4 Gb ATEX and IECEx Ex tb ia Da IIIC T85 C T130 C Db 40 C Tamb 70 C ATEX Certificate No ITS14ATEX27981X IECEx Certificate N...

Page 8: ...uel d utilisation pour les instructions d installation et les paramètres d entrée et de sortie électriques maximum Installation of the MS2601E Transmitter involves the following steps 1 Physical Mounting 2 Electrical Connection 3 Setup and Programming 1 Physical Mounting and Probe Connection When selecting a location to mount the MS2601E it is important to consider the surrounding environment To e...

Page 9: ...obe and for foreign material in the female sockets of the transmitter connector Gently straighten any bent pins and clear any foreign material that may be found Align Key Insert Connector Tighten Coupling Nut 1 2 3 Figure 2 MS2601E Direct Mount Installation b Remote Mounting When it is not practical to direct probe mount the MS2601E transmitter the unit can be remote mounted instead In this case t...

Page 10: ...Stem or Probe Cable 1 2 FNPT Conduit Port for Field Wiring Entry Figure 4 MS2601E current Loop Connector The maximum permissible length of the current loop wiring between the MS2601E Transmitter and the control system is determined by the control system supply voltage the electrical resistance of the current loop cable and the load of the control system input If the Transmitter is to be installed ...

Page 11: ... electrical energy produced in the hazardous area must be limited to an permitted level Limiting electrical energy is the most practical method of protecting the MS2601E measuring system when the Transmitter is installed in a hazardous area In the MS2601E system electrical energy limits are maintained using a power supply with Um of 28V installed in the 4 20 mA current loop per standard practice T...

Page 12: ...ucle entre la barrière de sécurité et le transmetteur ne peuvent pas dépasser les paramètres d entité de la barrière sélectionnée 3 Setup and Operation a Probe Selection Switches Housed within the MS2601E enclosure are probe selection switches which allow the instrument to be set for any standard ER probe type They also allow the instrument to be placed into several test modes which output fixed v...

Page 13: ...tings before proceeding to the below procedure 1 4 00 mA Calibration a Power down the instrument b Turn Off Switch 1 2 and 3 c Turn On Switch 4 d Connect meter in series to the instrument to measure current in mA e Power up the instrument f Check the Loop Current No calibration necessary if the meter reads 4 00 mA if not proceed below g To increase the loop current in steps of 0 025 mA toggle the ...

Page 14: ...rover is provided to allow routine checks of the MS2601E The Meter Prover simulates a Wire Loop type probe at a fixed value To test the MS2601E with the Meter Prover 1 Disconnect power 2 Disconnect the MS2601E from the probe or if the MS2601E is remote mounted disconnect the probe extension cable from the probe 3 Connect the Meter Prover to the MS2601E probe connector stem or to the probe extensio...

Page 15: ...ife can be found in Table 1 and is also listed on the Metal Samples probe tag as the Multiplier Figure 6 Metal Samples Probe Tag Figure 7 illustrates the relationship between Loop Current and Metal Loss In this example a probe with a 10 mil life is assumed However the X axis could be changed to represent any Probe Life Figure 7 Output Relationship As seen here the transmitter output begins at 4mA ...

Page 16: ...nterval that is too long may give results that are insensitive to system upsets The ideal time period depends on many factors and will vary from system to system It may take some trial and error to settle on the best time period for your installation In some cases it may be necessary to review the raw Metal Loss data and manually apply the Corrosion Rate formula to periods of interest For example ...

Page 17: ...d is in good condition Then thread the enclosure lid onto the base fully Once the lid has been threaded into place tighten the Lock Screw to prevent unauthorized tampering Figure 10 Enclosure Lock Screw CAUTION The Lock Screw on the instrument base must be tightened securely to prevent unauthorized personnel from opening the MS2601E transmitter and ensure that the Flameproof safety is not violated...

Page 18: ...g any tests or maintenance on the MS2601E ensure that all hazardous area requirements are met ATTENTION avant d effectuer des tests ou des opérations de maintenance sur le MS2601E assurez vous que toutes les exigences relatives aux zones dangereuses sont respectées 1 Ensure that the probe is operational and is not completely corroded This can be done in two ways a Test the probe with a portable ER...

Page 19: ...Prover see page 10 10 Test the MS2601E with a local multi meter or loop calibrator These basic checks should indicate the source of any problem probe power supply wiring etc If it is determined that the MS2601E is malfunctioning or if you need further assistance in troubleshooting contact Metal Samples Technical Support CAUTION If the MS2601E shows any signs of damage remove it from service immedi...

Page 20: ...ontrol B Obtaining Service and Returning the Instrument for Repair If you experience problems with your instrument please contact the factory at 256 358 4202 and ask for customer support for instrumentation Our customer support department will assist you in troubleshooting your instrument Most issues can be resolved over the phone but in some cases it may be necessary to return your instrument for...

Page 21: ...own Contact Information for Repair Contact Name Company Phone Number E mail Address Return Shipping Information Recipient Name Company Return Address If different than above Reason for Return Provide as much detail as possible Attach additional pages if required Invoice Instructions For non warranty repairs Invoice me for the repair Requires an open account with Metal samples Reference PO Contact ...

Page 22: ... Appendix A Revision History Revision Date Changes A 03 11 16 Initial Release B 01 16 17 Revisions to Technical Specifications page C 03 31 20 New Model with Isolator D 10 23 20 Additional Warnings added ...

Page 23: ...21 Appendix B Hazardous Area Certification Details ...

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Page 29: ...27 Appendix C Drawings A Wiring Diagrams Control Drawing Hazardous Area Wiring Diagram ...

Page 30: ...S2901E MS2951E HIGH RESOLUTION ER 4 20mA TRANSMITTER F 2 3 V V J2 J2 S1 2 1 S1 J2 ER Probe Simple Device Sold Separately OR Probe Cable Assembly Sold Separately ER Probe Simple Device Sold Separately CN2 1 2 3 1 Um 28V V V MAXIMUM OUTPUT ENTITY PARAMETERS AT CN2 PROBE TERMINALS UO 4 94 Vdc IO 0 486 A PO 0 42 W 04 15 20 EAN SAK LWB Meter Prover Meter Prover ...

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