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SKF Reliability Systems 
 
5271 Viewridge Court 
San Diego, California 92123 USA 
Telephone (858) 496-3400 
FAX (858) 496-3531 
 
For technical support, contact: 
[email protected] 
or 
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(Europe, Middle East, and Africa) 
 
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www.skf.com/cm 
 
SKF Patents include:  #US05854553, #US05845230, #US06489884, 
#US05679900, #US04768380, #US06199422, #US05992237, 
#US06202491, #US06513386, #US06275781, #US06633822, 
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#WO_03_048714A1 
 
® SKF is a registered trademark of the SKF Group 
 
010207jj 
 

Summary of Contents for CMSS500 Series

Page 1: ...No 32031400 EN Revision C User Manual Copyright 2007 by SKF Reliability Systems All rights reserved 5271 Viewridge Court San Diego CA 92123 1841 USA Telephone 858 496 3400 Fax 858 496 3531 Customer S...

Page 2: ...MEA skf com for customers in EMEA region Europe Middle East and Africa Visit us at our web site www skf com cm SKF Patents include US05854553 US05845230 US06489884 US05679900 US04768380 US06199422 US0...

Page 3: ...uding negligence or strict liability breach of contract or any other legal theory If the Product does not conform to this limited warranty Buyer must notify SKF or SKF s authorized service representat...

Page 4: ...ith the prefix of CMCP with the exception of any consumable or expendable items TWO YEAR WARRANTY Products warranted for two 2 years by SKF are as follows All standard Eddy Probes Eddy Probe Drivers a...

Page 5: ...t s LMU and any sensing or input devices the interconnect cabling between the sensing or input devices and the Multilog Condition Monitoring Unit s CMU Multilog Local Monitoring Unit s LMU and the cab...

Page 6: ...operating conditions or for defects caused by or attributable to the Buyer including without limitation Buyer s failure to comply with any written instructions provided to Buyer by SKF SKF shall be f...

Page 7: ...LE OR THAT SKF WAS ADVISED AS TO THE POSSIBILITY OF SUCH DAMAGES LOSS COST OR EXPENSE AND c NO PERSON HAS BEEN AUTHORIZED BY SKF TO MAKE ANY FURTHER OR CONTRARY INDEMNITIES REPRESENTATIONS OR WARRANTI...

Page 8: ......

Page 9: ...ters 1 Overview 1 Jumpers 7 Output 15 CMSS500 Series Monitor 1 Setting Monitor Alarms 1 Alert and Danger Alarm Setpoint Adjustment 1 Alert and Danger Alarm Delays Adjustment 4 Latching Non latching Al...

Page 10: ...Acceleration 7 RMS Measurements with the Microlog Acceleration and Velocity 8 Peak Detection in Velocity 8 CE Installation Guide 1 Overview 1 CE Installation Drawings 2 CE Installation 4 Mounting and...

Page 11: ...itter the CMSS545 is a position transmitter the CMSS570 is a temperature transmitter and the CMSS590 is an enveloped acceleration transmitter Output is a standard 4 20 mA current proportional to this...

Page 12: ...Introduction The MCT Transmitter 1 2 SKF Machine Condition Transmitter User Manual Figure 1 1 The MCT Transmitter Figure 1 2 The MCT Transmitter Monitor...

Page 13: ...le 1 1 MCT Module Configurations MCT modules can be ordered as stand alone Monitors by adding the suffix A to the basic model number i e CMSS530A or CMSS590A When ordered as a stand alone monitor the...

Page 14: ...Monitor 1 4 SKF Machine Condition Transmitter User Manual increased by a factor of two or three to avoid false alarms for example during the start up phase of a machine Figure 1 3 MCT Transmitter Gen...

Page 15: ...roduction The MCT Monitor SKF Machine Condition Transmitter 1 5 User Manual Figure 1 4 MCT Transmitter Monitor General Pin Assignment Figure 1 5 MCT Transmitter Monitor Top and Bottom Pluggable Termin...

Page 16: ...the alarm settings reference Setting Monitor Alarms in Chapter 3 Identification Label An identification label on the right side of the module provides information about the module type including a un...

Page 17: ...Introduction Identification Label SKF Machine Condition Transmitter 1 7 User Manual...

Page 18: ...ntifies individual transmitters and is used for warranty quality control and service purposes The label also has the CSA and CE approval marks Powering the MCT The MCT requires externally supplied dc...

Page 19: ...cable shield should float at the transmitter monitor and connect to ground at the power supply system common end only The MCT regulates dc power internally to prevent a fault on the output of one cha...

Page 20: ...unding When experiencing interference on the output signals due to common ground connections it is recommended to connect the 24 V GND at the power distribution terminals to the protective ground PE F...

Page 21: ...The input signal is processed to determine the overall vibration amplitude in terms of RMS acceleration g s The enveloped acceleration transmitter unit always uses a 100 mV g low impedance constant c...

Page 22: ...ansmitter unit is factory configured for use with one of three transducer types The specific type is identified by four digits for example 100A immediately following the basic model number on the side...

Page 23: ...t to 02 for 0 to 1 0 IPS or to 25 0 mm sec if not otherwise specified in the model number CMSS540 Displacement Transmitter The CMSS540 is a 4 20 mA Displacement Transmitter It is factory configured fo...

Page 24: ...Transmitter It is factory configured for compatibility with an external non contact eddy current probe driver system and an external readout monitoring system to indicate the relative axial position o...

Page 25: ...or dual output vibration temperature sensor that provides a 10 mV deg K output The input signal is processed to provide temperature in Fahrenheit or Celsius The temperature transmitter is factory conf...

Page 26: ...to about 100 ft Longer cables may be used depending on the sensor and cable specifications However it is strongly recommended that the transmitter monitor be mounted as close as practical to the asso...

Page 27: ...al indication of the fault condition For low impedance constant current powered transducers this circuit will effectively detect open shorted or reversed transducer connections When a detected fault i...

Page 28: ...1 E2 E3 E4 E3 0 to 1 0 IPS or 25 0 mm sec factory preset Option 02 E2 E3 E4 E2 and E3 0 to 1 5 IPS or 37 5 mm sec Option 03 E2 E3 E4 E3 and E4 0 to 2 0 IPS or 50 0 mm sec Option 04 E2 E3 E4 E2 and E3...

Page 29: ...8 Pin Connector Ribbon Cable Filter 1 Filter 2 E1 E5 E4 E3 E2 Range Jumpers Full circle indicates factory preset Figure 2 4 MCT Velocity Peak Detection and Displacement Jumper Locations Range Jumpers...

Page 30: ...l Jumpers 0 5 E2 1 0 E3 1 5 E2 E3 2 0 E3 E4 2 5 E2 E3 E4 Table 2 8 Velocity MCT Peak Range Jumpers MCT VEL RMS PC Board P1 8 Pin Connector Ribbon Cable Range Jumpers E4 E2 E5 E1 E3 Filter 1 Filter 2 F...

Page 31: ...Jumpers English IPS RMS Metric mm sec E2 0 5 12 5 E3 1 0 25 0 E2 E3 1 5 37 5 E3 E4 2 0 50 0 E2 E3 E4 2 5 62 5 Table 2 9 Velocity MCT RMS Range Jumpers Range Install Jumpers English mils Metric micron...

Page 32: ...ctory preset No current supply uses buffered output as signal input E2 E5 Selectable Filterbands ENV Filter 4 5 kHz to 40 kHz E3 E6 ENV Filter 3 500 Hz to 10 kHz factory preset factory preset E4 E7 EN...

Page 33: ...CMSS500 Series Transmitters Jumpers SKF Machine Condition Transmitter 2 13 User Manual Figure 2 28 Enveloped Acceleration MCT Jumper Locations...

Page 34: ...ped acceleration transmitter is delivered with three standard band pass filters Table 2 13 shows the available filters for each unit Filter Band Number Microlog BandPass Filter Frequencies Hz Fmax Set...

Page 35: ...is 0 1 IPS peak then 4 mA indicates a reading of 0 00 IPS and 20 mA indicates a reading of 1 00 IPS peak This output is intended to drive a maximum resistive load of 500 Ohms with respect to system c...

Page 36: ...llScaleV Vibration of Units V e Example Measured Voltage 3V Full Scale 0 5 IPS IPS 25 0 1 3 4 IPS 5 0 Reading Output Converted V V The relationship of the measured temperature parameter to the output...

Page 37: ...ges as the transducer itself i e mV g for an accelerometer or mV IPS for a velocity transducer This output can be connected to portable monitoring equipment or analyzers i e SKF Microlog Series Data C...

Page 38: ...CMSS500 Series Transmitters Output 2 18 SKF Machine Condition Transmitter User Manual...

Page 39: ...everity levels reference the General Severity Level Guidelines appendix Figure 3 1 MCT Front View With Monitor Options Explained Alert and Danger Alarm Setpoint Adjustment ALERT and DANGER alarm setpo...

Page 40: ...sired setpoint as a percentage of the full scale range The voltage measured at the BNC will vary between 0 Vdc and 5 Vdc corresponding to 0 to full scale For example 2 5 Vdc represents 50 of full scal...

Page 41: ...CMSS500 Series Monitor Alert and Danger Alarm Setpoint Adjustment SKF Machine Condition Transmitter 3 3 User Manual Figure 3 2 Setting Alarm Levels...

Page 42: ...alarm delays can be independently set by internal jumper selection to 1 1 3 6 or 10 seconds The purpose of the delay is to reduce nuisance alarms caused by external electrical noise and or transient...

Page 43: ...sec factory preset E4 6 sec E5 10 sec Danger Time Delay E6 0 1 sec E7 1 sec E8 3 sec factory preset E9 6 sec E10 10 sec Latching Non latching Alarms E11 Open Alert Non latching factory preset Closed A...

Page 44: ...tion Transmitter User Manual Trip Multiply Danger Delay Alert Latch Danger Latch Alert Delay Ribbon Cable J1 Figure 3 3 Monitor Jumper Locations Latching Non latching Alarms The Alert and Danger alarm...

Page 45: ...RST or COM terminals If several monitors are mounted together the RST terminals may be daisy chained together and switched to COM system common as a group Trip Multiply The alarm module provides a tri...

Page 46: ...oad This rating includes any inrush current the load draws For loads that are not purely resistive the contact switching capability needs to be considered carefully in terms of this inrush current and...

Page 47: ...SKF Machine Condition Transmitter 4 1 User Manual 4 Installing the Machine Condition Transmitter MCT Typical Installation...

Page 48: ...DIN rail mounting foot at the back of the unit as shown in Figure 4 9 and gently leverage the blade to begin separating the cover from the rest of the unit Carefully work your way around to the front...

Page 49: ...To remove this cable carefully pull it away from the left hand side of the unit as viewed from the front The cable stays with the right hand side permanently Important When reinstalling this cable ma...

Page 50: ...or process control systems are the static output 4 20 mA dc and the low power change over relay contacts The maximum load resistance of all connected instruments in the current loop is 500 Ohms Refere...

Page 51: ...Installing the Machine Condition Transmitter Interfacing the MCT with Other Monitoring Systems SKF Machine Condition Transmitter 4 5 User Manual Figure 4 31 MCT CMSS500 Series Interfacing...

Page 52: ...nterfacing Analyzing MCT Readings Unlike other SKF Reliability Systems analyzing products that use digital signal processing MCT modules use analog signal processing techniques so be careful when comp...

Page 53: ...e signal unlike the MCT modules Furthermore MCT modules use averaging methods to prevent unwanted fluctuations The number of averages for the Multilog and Microlog are free selectable It is advised to...

Page 54: ...of the Velocity MCT CMSS530 module The detection method must be set to RMS Important The MCT VEL module uses an analog filter and integrator which measure continuously The Multilog and Microlog calcu...

Page 55: ...d analyzed nonetheless If the user is more familiar with the Calculated Peak RMS x 1 414 specify the RMS detection when ordering Select an approximate 1 4 times higher full scale value to get the same...

Page 56: ...Installing the Machine Condition Transmitter Peak Detection in Velocity 4 10 SKF Machine Condition Transmitter User Manual...

Page 57: ...ge copper braid cable or copper bus bar in a manner that will ensure a continuous high quality connection Signal and dc power I O cabling for the system should be enclosed in rigid or flexible metal c...

Page 58: ...ted to system ground at one end only When the sensor transducer case is mounted on an earth grounded machine casing or structural point the cable shield may be terminated at the sensor end Otherwise i...

Page 59: ...CE Installation Guide CE Installation Drawings SKF Machine Condition Transmitter 5 3 User Manual Wiring for Internally Amplified Accelerometers...

Page 60: ...CE Installation Guide CE Installation 5 4 SKF Machine Condition Transmitter User Manual Wiring For Velocity Transducers CE Installation MCT and Sensors...

Page 61: ...CE Installation Guide CE Installation SKF Machine Condition Transmitter 5 5 User Manual...

Page 62: ...CE Installation Guide CE Installation 5 6 SKF Machine Condition Transmitter User Manual...

Page 63: ...SKF Machine Condition Transmitter A 1 User Manual Appendix A Mounting and Outline CMSS500A Figure A 33 MCT with Companion Monitor Front View...

Page 64: ...Mounting and Outline CMSS500 A 2 SKF Machine Condition Transmitter User Manual Figure A 34 MCT Modules Side View CMSS500 Figure A 35 MCT Transmitter only Front View...

Page 65: ...Mounting and Outline CMSS500 SKF Machine Condition Transmitter A 3 User Manual Figure A 36 MCT Transmitter Only Side View...

Page 66: ...Mounting and Outline CMSS500 A 4 SKF Machine Condition Transmitter User Manual...

Page 67: ...or vibration velocity ISO standards such as ISO 10816 First Edition 1995 or VDI 2056 guidelines are generally accepted ISO 10816 with the title Mechanical vibration Evaluation of machine vibration by...

Page 68: ...n Severity Chart ISO 10816 2 Industrial machines with nominal power above 15 kW and nominal speeds between 120 RPM and 15000 RPM when measured in position are covered by ISO 10816 3 The machines are s...

Page 69: ...ngs Group 4 Pumps with multivane impellers and with integrated drivers that are equipped with sleeve or rolling element bearings ISO 10816 3 Machinery Group 2 4 Machinery Group 1 3 Rated Power 15 kW 3...

Page 70: ...gs the speed is limited and therefore the severity levels are also limited Carefully select the severity levels for enveloped acceleration using machine knowledge Sensor location and sensor installati...

Page 71: ...00 1500 1800 3000 3600 RPM Figure B 37 Enveloped Acceleration Alarm Guidelines Fmax 60 000 CPM To utilize the above chart the following parameters must be known Bearing bore diameter in mm indicates l...

Page 72: ...as possible to the maximum load zone within the measured bearing or gear box Example Bearing bore diameter 100 mm Shaft speed 1800 RPM Fmax 60 000 CPM Use the chart in Figure B 1 to determine this env...

Page 73: ...smitter module also depends on the application Alarms can be a warning that a certain condition has occurred and that further analysis is required Based upon those results a decision must be made on f...

Page 74: ...on Measurements B 8 SKF Machine Condition Transmitter User Manual For more information please visit our website www skfcm com select Support From the Support Center Home select Application Notes Downl...

Page 75: ...CMSS570 1 1 CMSS590 1 1 COM terminal 3 7 D dc power 1 9 5 1 E EMI 2 6 F Filter Enveloped Acceleration 2 16 Full scale 2 3 G Grounding 1 11 I ISO B 1 J Jumper Locations 2 8 L Latching Non latching Ala...

Page 76: ...General Severity Level Guidelines Vibration Enveloped Acceleration Measurements Index 2 SKF Machine Condition Transmitter User Manual T 061 684 2136 F 061 684 2137 E kh br hanmail net...

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