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Figure 4-6: Minimum measuring area

4.3.2

PR 6426 installation

shows an installation example for the sensor PR 6426. Its reference area is the

mounting plate. The nominal distance of the mounting plate to the measuring target in
the center position is approx. 39.5 mm. After you fix the mounting screws, bend the safety
plate (anti-twisting plate) to prevent the screws from getting loose.

Installation Guide

Installation and Mounting

MHM-97857

January 2020

MHM-97857, Rev 1.5

19

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Summary of Contents for Machinery Health PR 642 Series

Page 1: ...Installation Guide MHM 97857 Rev 1 5 January 2020 Machinery Health Sensor PR 642x Eddy Current Sensors ...

Page 2: ...O THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE Emerson shall not be liable for errors omissions or inconsistencies that may be contained herein or for incidental or consequential damages in connection with the furnishing performance or use of this material Information in this document is subject to change without notice and does not represent a commitment on the p...

Page 3: ...suring Chain 11 3 2 The Sensors 11 Chapter 4 Installation and Mounting 13 4 1 Measuring chain and material of measuring target 13 4 2 Choosing the measuring place 13 4 3 Mount the sensor 14 4 3 1 Requirements and hints for the sensor mounting 14 4 3 2 PR 6426 installation 19 4 4 Wiring hints 20 4 5 Sensor cables with LEMO adapter plug 21 Chapter 5 Technical data 23 5 1 Measuring targets 23 5 2 Mea...

Page 4: ...Contents Installation Guide January 2020 MHM 97857 iv MHM 97857 Rev 1 5 ...

Page 5: ...e Table 1 1 Referenced documents DfU_GA_CON011 HWRev04 Operating manual of CON 011 eddy current signal converter DfU_GA_CON 021_031 HWRev04 Operating manual of CON 021 and CON 031 eddy current signal converters DfU_GA_CON 041 HWRev04 Operating manual of CON 041 eddy current signal converter OM CSI 9360 Operating manual of CSI 9360 4 20 mA loop powered eddy current transmitter DfU_MMS_3110 DfU_ MMS...

Page 6: ...ng the adapter plug only PR642x xxx 0xx types Operating manual for installing and using the sensor If the contents are incomplete or if you observe any defects file a complaint with the carrier immediately Moreover inform the responsible Emerson sales organization so your device can be replaced In this case attache to the device a non detachable tag with customer name and the observed defect 1 5 T...

Page 7: ...s special waste and may only be disposed by approved specialized companies 1 8 China RoHS Compliance Our products manufactured later than June 30 2016 and those which are sold in the People s Republic of China are marked with one of the following two logos to indicate the Environmental Friendly Use Period in which it can be used safely under normal operating conditions Products without below menti...

Page 8: ... range not larger than necessary in consultation with the operator of the plant Define the trip limit in consultation with the operator of the plant Take measurement deviations into account when defining the trip limit Use a sensor that meets the requirements of the defined measuring range Ensure an EMC compatible installation including the use of proper cables Ensure proper function of the measur...

Page 9: ...onverters of the MMS 3000 series or the transmitter CSI 9360 the measurement of mechanical quantities such as shaft vibration shaft displacement and speed not if CSI 9360 is used 2 2 Owner s responsibility If there is a reason to suspect that hazard free operation and thus adequate machine protection is no longer possible take the device out of operation and safeguard it from unintentional operati...

Page 10: ...Safety Instructions Installation Guide January 2020 MHM 97857 10 MHM 97857 Rev 1 5 ...

Page 11: ...and sensor are adjusted together and delivered as complete measuring chain 3 2 The Sensors The PR 642x series includes five eddy current sensor types in different variants as shown in chapter Order Matrix Which sensor type is applicable for a measuring application depends on several requirements as desired measuring range available measuring track and maximum environmental temperature The characte...

Page 12: ...Application and Design Installation Guide January 2020 MHM 97857 12 MHM 97857 Rev 1 5 ...

Page 13: ... information regarding your material is not available the measuring chain will be adjusted on the standard material 42 CrMo 4 SAE 4140 4 2 Choosing the measuring place Figure 4 1 is an example scheme for how to place the sensors at a turbine shaft to measure the axial displacement shaft vibration or speed You must consider the minimum shaft diameter for this type of sensor the minimum material wid...

Page 14: ... LEMO adapter plug at every two turns of the sensor to untwist the cable Ensure that in direction to the sensor head at least two of the threads remain free as shown in Figure 4 2 3 Secure the sensor by fixing the nuts The maximum torque for fixing the nuts is PR 6422 1 Nm 0 1 kpm PR 6423 15 Nm 1 5 kpm PR 6424 PR 6425 98 Nm 10 kpm 4 3 1 Requirements and hints for the sensor mounting This section c...

Page 15: ...ing track a surface finish of 0 41 µm to 0 76 µm is recommended Free space Ensure there is 45 of free space around the sensor head for all sensor types except PR 6426 as shown in the left diagram of Figure 4 2 The right drawing in Figure 4 2 shows the required free space around the PR 6426 Figure 4 2 Free space around sensor head Free space PR 6422 PR 6423 PR 6424 and PR 6425 45 Free space PR 6426...

Page 16: ... tilting if using PR 6422 PR 6423 PR 6424 or PR 6425 S distance between measuring target and sensor head Alpha max axial tilting angle 2 Installation and Mounting Installation Guide January 2020 MHM 97857 16 MHM 97857 Rev 1 5 ...

Page 17: ... the maximum tangential offset matches the values in Table 4 1 Figure 4 5 shows the definition of the tangential offset Table 4 1 Maximum tangential offset Sensor type Max offset X Shaft diameter D PR 6422 0 2 mm 15 mm PR 6423 0 5 mm 28 mm PR 6424 0 5 mm 60 mm PR 6425 0 5 mm 60 mm Installation Guide Installation and Mounting MHM 97857 January 2020 MHM 97857 Rev 1 5 17 ...

Page 18: ...matches the values in Table 4 2 Figure 4 6 defines of the minimum measuring area Table 4 2 Minimum measuring area Sensor type X minimum Sensor head diameter PR 6422 5 mm 5 2 mm PR 6423 3 mm 8 mm PR 6424 3 mm 16 mm PR 6425 2 mm 15 8 mm PR 6426 2 mm 32 mm Installation and Mounting Installation Guide January 2020 MHM 97857 18 MHM 97857 Rev 1 5 ...

Page 19: ...area is the mounting plate The nominal distance of the mounting plate to the measuring target in the center position is approx 39 5 mm After you fix the mounting screws bend the safety plate anti twisting plate to prevent the screws from getting loose Installation Guide Installation and Mounting MHM 97857 January 2020 MHM 97857 Rev 1 5 19 ...

Page 20: ...llup the excess cable rolling diameter 100 mm Ensure that no parts of the cable including the adapter plug touch any rotating parts of the machine Note that machines can expand or shrink due to temperature influences Always install the sensor cable with a cable length reserve to compensate for the thermal behavior of the machine Only install cables with a minimum bending radius of 25 mm For sensor...

Page 21: ...end or with a LEMO connector Some sensor types have a LEMO adapter plug after the first meter of the sensor cable The following hints apply regardless of the size of the LEMO connector To connect push the LEMO plug into an according socked or counterpart The LEMO connector locks with an audible click To unlock the connector pull it out of the socket Note The LEMO connector as well as the LEMO adap...

Page 22: ...the shrink sleeve over the closed connection The LEMO adapter plug should be completely covered by the shrink sleeve The shrink sleeve should evenly overlap the adapter plug 4 Use a hot air gun to evenly shrink the sleeve The required shrinking temperature is approximately 200 C 5 Ensure that the shrank sleeve touches sensor cable and adapter plug It is important that the shrink sleeve cannot slip...

Page 23: ...m Speed of shaft circumference 0 2500 m s Object material electrical conducting materials Reference material 1 7224 42 Cr Mo 4 SAE 4140 may be less for special installation of the PR 6426 Upon request measuring chains can be adjusted on the following materials Material Description Material Description 1 7733 24 CrMo V5 5 1 7220 34 CrMo 4 1 0060 St 60 2 1 7258 24 CrMo 5 1 0501 C 35 1 1181 CK 35 1 1...

Page 24: ...er output signal approx 0 8 mm approx 1 5 mm approx 2 7 mm approx 2 6 mm approx 5 5 mm Basic air gap approx 0 15 0 35 mm approx 0 4 0 7 mm approx 0 55 0 95 mm approx 0 5 1 0 mm approx 1 2 1 8 mm With standard measuring ranges not valid for use of extended measuring ranges The sensor PR 6423 corresponds to the API 670 DIN 45670 standard Calibration If no other material was stated sensor and convert...

Page 25: ...Pressure resistance to sensor head PR 6422 PR 6423 PR 6424 10000 hPa PR 6425 2000 hPa PR 6426 6500 hPa Pressure and differential pressure resistance at cable outlet On request max Vibration 5g at 60 Hz Dimensions see Figure 6 1 to Figure 6 5 Sensor and extension cable up to 200 C temperature resistant PTFE cable resistant to oil and chemicals connection of sensor cable and extension cable with coa...

Page 26: ...Zero point Sensitivity PR 6425 at 300 380 C 0 8 per 10 K PR 6426 at 23 100 C 0 3 per 10 K 0 15 per 10 K at 100 180 C 0 6 per 10 K 0 65 per 10 K at 35 23 C 0 2 per 10 K 0 20 per 10 K Technical data Installation Guide January 2020 MHM 97857 26 MHM 97857 Rev 1 5 ...

Page 27: ...6 Drawings Figure 6 1 Dimensions standard types PR 6422 Installation Guide Drawings MHM 97857 January 2020 MHM 97857 Rev 1 5 27 ...

Page 28: ...Figure 6 2 Dimensions standard types PR 6423 Drawings Installation Guide January 2020 MHM 97857 28 MHM 97857 Rev 1 5 ...

Page 29: ...Figure 6 3 Dimensions standard types PR 6424 Installation Guide Drawings MHM 97857 January 2020 MHM 97857 Rev 1 5 29 ...

Page 30: ...Figure 6 4 Dimensions standard type PR 6425 Drawings Installation Guide January 2020 MHM 97857 30 MHM 97857 Rev 1 5 ...

Page 31: ...Figure 6 5 Dimensions standard types PR 6426 Installation Guide Drawings MHM 97857 January 2020 MHM 97857 Rev 1 5 31 ...

Page 32: ...Drawings Installation Guide January 2020 MHM 97857 32 MHM 97857 Rev 1 5 ...

Page 33: ...ITHOUT 0 1 Total Cable Length 0 4 m 1 5 m 2 6 m 3 8 m F 9 m 4 10 m X Cable End LEMO OPEN A9360 CONNECTION 0 1 2 PR 6423 XXX XXX Order Matrix PR 6423 X X X X X X Sleeve Thread M10x1 3 8 24UNF 2A 0 1 Armored Cable WITH WITHOUT 1 0 Total Sensor Length C Cx 9 mm 0 Cx 25 mm 1 35 mm 2 45 mm 3 55 mm 4 65 mm 5 75 mm 6 85 mm 7 95 mm 8 105 mm 9 115 mm X Adaptor Plug WITH WITHOUT 0 1 Total Cable Length 0 4 m...

Page 34: ...ug WITH WITHOUT 0 1 Total Cable Length 0 4 m 1 5 m 2 6 m 3 8 m 4 10 m X Cable End LEMO OPEN 0 1 PR 6425 XXX XXX Order Matrix PR 6425 X X X X X X Sleeve Thread M18x1 5 0 Armored Cable WITH 1 Total Sensor Length 0 69 mm 0 Adaptor Plug WITHOUT 1 Total Cable Length 0 4 m 1 5 m 2 6 m 3 8 m 4 10 m X Cable End LEMO OPEN 0 1 PR 6426 XXX XXX Order Matrix PR 6426 X X X X X X Sleeve Thread NO THREAD 0 Armore...

Page 35: ...Order Matrix PR 6426 X X X X X X Total Cable Length 0 4 m 1 5 m 2 6 m 3 8 m 4 10 m X Cable End LEMO OPEN 0 1 Installation Guide Order Matrix MHM 97857 January 2020 MHM 97857 Rev 1 5 35 ...

Page 36: ...Order Matrix Installation Guide January 2020 MHM 97857 36 MHM 97857 Rev 1 5 ...

Page 37: ...8 Certificates Installation Guide Certificates MHM 97857 January 2020 MHM 97857 Rev 1 5 37 ...

Page 38: ...Certificates Installation Guide January 2020 MHM 97857 38 MHM 97857 Rev 1 5 ...

Page 39: ...Installation Guide MHM 97857 January 2020 MHM 97857 Rev 1 5 39 ...

Page 40: ...every effort has been made to ensure their accuracy they are not to be construed as warranties or guarantees express or implied regarding the products or services described herein or their use or applicability All sales are governed by our terms and conditions which are available on request We reserve the right to modify or improve the designs or specifications of our products at any time without ...

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