Siemens Bently Nevada 3500 Proximitor Maintenance And Troubleshooting Manual Download Page 42

Chapter 3 —  Maintenance and Troubleshooting

25

                                      V

SIG

Fault Type 5:  V

SIG

 = V

XDCR

Possible causes:

 

Incorrect power source voltage

 

Faulty Proximitor

 Sensor

 

Faulty field wiring (between Out and V

T

)

Check for fault condition Type 1 on page 14

Measure V

SIG

:

-1.2 Vdc < V

SIG

 < -0.3 Vdc?

No

Faulty
Proximitor

Sensor

Yes

Reconnect system
Regap the probe
Retest system

Summary of Contents for Bently Nevada 3500 Proximitor

Page 1: ... siemens com Maintenance Trouble Shooting Bentley Nevada 3500 Proximitor This document has been prepared for the purpose of training It is based on the respective operation and maintenance manuals Operation and maintenance must be performed in accordance with the operating and maintenance manuals ...

Page 2: ...s of setting system module and channel options so that all the modules in the 3500 rack work together is called configuration These settings are established and adjusted by using the 3500 Rack Configuration program Configuration settings are usually protected by security settings The security setting for a typical 3500 Monitoring System that is operating normally is Change Setpoints in Program Mod...

Page 3: ...e diagrams 7 Apply the adjusted setpoints to the rack by clicking OK and then downloading the revised configuration to the rack 3 2 Replacing modules The boards and components inside of 3500 modules cannot be repaired in the field and require no calibration For 3500 modules that are not operating properly use the information in this section to replace the module with a spare and then contact your ...

Page 4: ...be affected and for any special handling requirements required for personal safety 1 If necessary upload and save the configuration of the module to be replaced 3500 modules must have valid configuration settings in order to operate properly Replacement modules are not configured By saving the configuration you can download the original configuration settings to the replacement module The 3500 Mon...

Page 5: ...ing a main module When performed properly modules may be removed from or installed into the rack while power is applied to the rack 3 2 3 1 To remove the old full height module This procedure shows how to remove any full height 3500 module Refer to the reference manual for the module for details and safety considerations 1 Loosen the screws to the main module so that they are free of the rack chas...

Page 6: ...lace ensuring that they are properly in the guides provided on the floor and roof of the rack chassis 3 Tighten the screws securely Application Advisory It is important to tightly secure the thumb screws to ensure each module is Chassis grounded Loose thumb screws may allow noise to show on the channel readings 3 2 3 3 To add or remove a half height card guide Installing the card guide Removing th...

Page 7: ...ay be removed from or installed into the rack while power is applied to the rack The 3500 Monitoring System is a high precision instrument that requires no calibration The functions of the 3500 modules however must be verified at regular intervals All modules in the 3500 Monitoring System should be verified at these maintenance intervals The procedures in the Maintenance and Troubleshooting sectio...

Page 8: ... is gapped and its target is in the proper position Both adjustment procedures consist of using the Rack Configuration Software to upload the configuration from the rack change the setting for scale factor or zero position and then downloading the new configuration back to the rack You can adjust these settings using the following two methods enter a new value in the scale factor box on the transd...

Page 9: ...s now added to the configuration for this channel 11 Download the new configuration to the appropriate monitor by selecting Download from the File menu The new setting for scale factor will take effect when the Download successful prompt appears 5 2 2 Zero Position Adjustment Description When adjusting the Zero Position voltage you are defining the transducer voltage corresponding to the position ...

Page 10: ...m 16 75 16 75 2 75 2 75 9 75 9 75 3300 8mm 16 75 16 75 2 75 2 75 9 75 9 75 7200 5mm 16 75 16 75 2 75 2 75 9 75 9 75 7200 8mm 16 75 16 75 2 75 2 75 9 75 9 75 7200 11mm 19 65 n a 3 55 n a 11 6 n a 7200 14mm 16 75 n a 2 75 n a 9 75 n a 3000 18V 12 05 n a 2 45 n a 7 25 n a 3000 24V 15 75 n a 3 25 n a 9 5 n a 3300 RAM 12 55 12 15 2 45 2 45 7 5 7 3 3300 16mm HTPS 16 75 n a 2 75 n a 9 75 n a Note With Ba...

Page 11: ...2 1 28 1 1 1 28 10 16 9 65 9 74 3300 8mm 19 04 18 2 1 28 1 1 1 28 10 16 9 65 9 74 7200 5mm 19 04 18 2 1 28 1 1 1 28 10 16 9 65 9 74 7200 8mm 19 04 18 2 1 28 1 1 1 28 10 16 9 65 9 74 7200 11mm 20 39 n a 3 55 n a 11 97 n a 7200 14mm 18 05 n a 1 65 N a 9 85 n a 3000 18V 13 14 n a 1 16 n a 7 15 n a 3000 24V 16 85 n a 2 25 n a 9 55 n a 3300 RAM 13 14 12 35 1 16 1 05 1 16 7 15 6 7 6 76 3300 16mm HTPS 18...

Page 12: ...ransducer Upper Ok Limits Lower Ok Limits Center Gap Voltage w o barrier V w barrier V w o barrier V w barrier V w o barrier V w barrier V 3300 5mm 16 75 16 75 2 75 2 75 9 75 9 75 3300 8mm 16 75 16 75 2 75 2 75 9 75 9 75 7200 5mm 16 75 16 75 2 75 2 75 9 75 9 75 7200 8mm 16 75 16 75 2 75 2 75 9 75 9 75 7200 11mm 19 65 n a 3 55 n a 11 6 n a 7200 14mm 16 75 n a 2 75 n a 9 75 n a 3300 16mm HTPS 16 75 ...

Page 13: ...8 10 8 50 49578 01 11 37 10 86 11 37 5 63 5 34 5 63 8 50 8 10 8 50 155023 01 11 37 n a 5 63 n a 8 50 n a BNC Internal Barrier I O Modules Velocity Ok Limits and Center Gap Voltage Transducer Upper Ok Limits Lower Ok Limits Center Gap Voltage w o barrier V w barrier V w o barrier V w barrier V w o barrier V w barrier V 9200 17 95 17 95 2 05 2 05 10 00 10 00 47633 17 95 17 95 2 05 2 05 10 00 10 00 8...

Page 14: ...8mm Scale Factor 200 mV mil Ok Limits 19 04 upper 1 28 lower 5 2 3 Adjusting the Zero Position 1 Connect the configuring computer to the rack using one of the methods listed in the 3500 Monitoring System Rack Configuration and Utilities Guide part number 129777 01 2 Run the Rack Configuration Software 3 Initiate communication with the rack by clicking on the Connect option in the File menu and the...

Page 15: ...to the values listed adjacent to the box If you go to the Adjust screen by selecting Adjust you can adjust the Zero Position and see the results 9 Return to the 3500 System Configuration screen by clicking on OK buttons in the successive screens The new Zero Position or Gap Position is now added to the configuration for this channel 10 Download the new configuration to the appropriate monitor by s...

Page 16: ... 0 00 0 05 0 10 0 15 0 20 0 25 0 5 1 0 1 5 2 0 2 5 3 0 3 5 4 0 4 5 5 0 Gap mm DSL Error mm 10 5 0 5 10 ISF Error 20 18 16 14 12 10 8 6 4 2 0 20 40 60 80 100 120 140 160 180 200 Gap mils Output Volts 5 m System at 23 deg C 73 deg F 5 m System at 0 deg C 32 deg F 5 m System at 45 deg C 113 deg F Figure 1 Typical 3300 XL 11 mm 5 m System Over Ambient Testing Range ...

Page 17: ... Utilities menu 4 Press the Module Self test button on the System Events screen Application Alert Machinery protection will be lost while the self test is being performed 5 Select the slot that contains the Proximitor Seismic Monitor and press the OK button The Proximitor Seismic Monitor will perform a full self test and the System Events screen will be displayed The list will not contain the resu...

Page 18: ...rectly No action required OFF Monitor is not operating correctly or the transducer has faulted and has stopped providing a valid signal Check the System Event List and the Alarm Event List 2 Hz Monitor is configured for Timed OK Channel Defeat and has been not OK since the last time the RESET button was pressed Press the Reset button on the Rack Interface Module Check the System Event List Not fla...

Page 19: ...vice Not Communicating Event Number Identifies a specific event Class Used to display the severity of the event The following classes are available Class Value Classification 0 1 2 3 Severe Fatal Event Potential Problem Event Typical logged Event Reserved Event Date The date the event occurred Event Time The time the event occurred Event Specific It provides additional information for the events t...

Page 20: ...n as possible Device Not Communicating Event Number 32 Event Classification Potential Problem Action Check to see if one of the following components is faulty the Monitor Module the rack backplane Device Is Communicating Event Number 33 Event Classification Potential Problem Action Check to see if one of the following components is faulty the Monitor Module the rack backplane Neuron Failure Event ...

Page 21: ...the Monitor Module or the Monitor I O module Fail Main Board 5V A Fail Main Board 5V upper Power Supply Event Number 100 Event Classification Potential Problem Action Verify that noise from the power source is not causing the problem If the problem is not caused by noise check to see if one of the following components is faulty the Monitor Module the Power Supply installed in the upper slot Pass M...

Page 22: ... Board 5V upper and lower Power Supplies Event Number 105 Event Classification Severe Fatal Event Action Verify that noise from the power source is not causing the problem If the problem is not caused by noise check to see if one of the following components is faulty the Monitor Module the Power Supply installed in the upper slot the Power Supply installed in the lower slot Fail Main Board 15V A F...

Page 23: ...l Event Action Verify that noise from the power source is not causing the problem If the problem is not caused by noise check to see if one of the following components is faulty the Monitor Module the Power Supply installed in the upper slot the Power Supply installed in the lower slot Monitor Module will stop alarming Pass Main Board 15V AB Pass Main Board 15V upper and lower Power Supplies Event...

Page 24: ... Verify that noise from the power source is not causing the problem If the problem is not caused by noise check to see if one of the following components is faulty the Monitor Module the Power Supply installed in the lower slot Fail Main Board 24V AB Fail Main Board 24V upper and lower Power Supplies Event Number 116 Event Classification Severe Fatal Event Action Verify that noise from the power s...

Page 25: ...equired Monitor Module will stop alarming Software Switches Reset Event Number 305 Event Classification Potential Problem Action Download the software switches to the Monitor Module If the software switches are not correct replace the Monitor Module as soon as possible Internal Cal Reset Internal Calibration Reset Event Number 307 Event Classification Severe Fatal Event Event Specific Ch pair x Ac...

Page 26: ...fication Typical Logged Event Action No action required This may be due to the removal of the Rack Interface Module for an extended period of time Module Entered Calibr Module Entered Calibration Mode Event Number 365 Event Classification Typical Logged Event Action No action required Monitor Module will stop alarming Module Exited Calibr Module Exited Calibration Mode Event Number 366 Event Class...

Page 27: ...h x Action No action required Enabled Danger Bypass Event Number 422 Event Classification Typical logged event Event Specific Ch x Action No action required Alarming has been inhibited by this action Disabled Danger Bypass Event Number 423 Event Classification Typical logged event Event Specific Ch x Action No action required Enabled Special Inh Enabled Special Inhibit Event Number 424 Event Class...

Page 28: ...tor Module the rack backplane Monitor Module will stop alarming Pass Slot Id Test Event Number 462 Event Classification Severe Fatal Event Action Verify that the Monitor Module is fully inserted in the rack If the Monitor Module is installed correctly check to see if one of the following components is faulty the Monitor Module the rack backplane Enabled Test Signal Event Number 481 Event Classific...

Page 29: ... if one of the following is faulty both Keyphasor transducers on the machine the Monitor Module the Keyphasor Module For vector and Keyphasor based alarms the Monitor Module will stop alarming DSP Reset Attempted Event Number 501 Event Classification Severe Fatal Event Event Specific Ch pair x Action If the message is seen repeatedly in the System Event List then replace the Monitor Module immedia...

Page 30: ... machine being monitored is over hauled Please note that a step change in the output of the transducer system or other output that is not consistent with the associated machinery s trended data is in most instances not a transducer problem but a machinery problem Verification of the transducer system under these conditions can be done at the user s discretion Under harsh operating conditions some ...

Page 31: ...ansducer System Manual 14 The scale factor verification uses the test setup as shown in the following figure Proximitor Sensor Probe Target and Spindle Micrometer Multimeter Power Supply 24 Vdc Vdc Vin Com 10 kΩ VT COM OUT ...

Page 32: ...c Vdc 0 01 n mV mil n 1 n ASF Vdc Vdc 0 08 mV mil 10 mil 90 mil Adjust Micrometer to Record Voltages Calculate Scale Factor n µmn or miln Vdcn ISFn Incremental Scale Factor ASF Average Scale Factor 1 250 10 ________ 2 500 20 ________ ________ 3 750 30 ________ ________ 4 1000 40 ________ ________ 5 1250 50 ________ ________ 6 1500 60 ________ ________ 7 1750 70 ________ ________ 8 2000 80 ________...

Page 33: ... ASF The transducer systems also have a maximum deviation from straight line DSL and ISF tolerances for ambient and extended temperatures The 3300 XL Precision Micrometer comes with a high precision 4140 steel target and is used to make precise measurements and verify whether the transducer system is working properly and within published specifications The 3300 XL Shaft Micrometer p n 330186 is us...

Page 34: ...asured between VSIG Signal voltage from the transducer OUT and COM VPS VXDCR Power supply voltage Supply voltage at transducer Power Source and Common VT and COM Note VSIG VPS and VXDCR are all negative voltage values Definitions Symbol Definition Example A B A B A B A value is more positive than B A value is more negative than B A same value or very close to B 21 23 12 5 24 1 24 0 VXDCR VSIG VPS ...

Page 35: ...ransducer System Manual 18 Fault Type 1 VXDCR 17 5 Vdc or VXDCR 26 Vdc Possible causes Faulty power source Faulty field wiring Faulty Proximitor Sensor Measure VPS VPS 17 5 Vdc or VPS 26 Vdc Yes Faulty Power Supply No VPS ...

Page 36: ...Incorrect power source voltage Short circuit in field wiring Short circuit at Proximitor Sensor terminal connection Faulty Proximitor Sensor Check for fault condition Type 1 on page 14 Faulty Proximitor Sensor No Yes Measure VXDCR VXDCR 17 5 Vdc or VXDCR 26 Vdc Faulty Field Wiring VXDCR ...

Page 37: ...3300 XL Proximity Transducer System Manual 20 Measure VSIG VSIG 0 Vdc No Short in wiring or at Proximitor Sensor terminal connection Yes Faulty Proximitor Sensor M A D E I N U S A VSIG ...

Page 38: ... circuit in a connector dirty or wet or loose connectors Short or open circuit in the probe Short or open circuit in extension cable Check for fault condition Type 1 on page 14 Is the probe gapped correctly Are counterbore dimensions correct see probe installation on page 2 No Re gap the probe or check counterbore Retest system Yes N Step 2 Step 1 Original probe extension cable Known good probe wi...

Page 39: ...al 22 Faulty Proximitor Sensor Inspect for clean connection Dirty rusty poor connection Measure VSIG VSIG VXDCR 1 Vdc No Yes Yes Clean connector using isopropyl alcohol or electronic terminal cleaner reassemble and retest the system No RTOTAL ...

Page 40: ...3 Measure resistance RTOTAL Within specifications 5 m system 8 75 0 70 Ω 9 m system 9 87 0 90 Ω No Measure resistance RPROBE Within specifications See Specifications and Ordering Information No Faulty Probe Yes Retest original system Yes RPROBE ...

Page 41: ... causes Faulty Proximitor Sensor Probe is incorrectly gapped too far from target Check for fault condition Type 1 on page 14 RJACKET RCORE Measure resistance RJACKET and RCORE Within specifications See Specifications and Ordering Information No Faulty Extension Cable Yes Retest original system ...

Page 42: ...DCR Possible causes Incorrect power source voltage Faulty Proximitor Sensor Faulty field wiring between Out and VT Check for fault condition Type 1 on page 14 Measure VSIG 1 2 Vdc VSIG 0 3 Vdc No Faulty Proximitor Sensor Yes Reconnect system Regap the probe Retest system ...

Page 43: ...ef note to our corporate headquarters in Minden Nevada for analysis if you encounter a part that has failed Bently Nevada Corporation Attn Product Repair Department 1617 Water Street Minden Nevada 89423 USA Measure VSIG VSIG VXDCR Yes Faulty Proximitor Sensor No Faulty field wiring short between OUT and VT M A D E I N U S A VSIG ...

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