Bently Nevada 3500 Galvanic Isolator Interface Manual Download Page 1 | Manualshive

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Part number 141706-01

Revision NC, August 1999

3500 Galvanic Isolator
Interface

Manual

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Summary of Contents for 3500 Galvanic Isolator Interface

Page 1: ...Part number 141706 01 Revision NC August 1999 3500 Galvanic Isolator Interface Manual ...

Page 2: ...t and Manage All Your Machinery HydroVU Key Keyphasor Machine Condition Manager 2000 MachineLibrary MicroPROX Move Data Not People Move Information Not Data Performance Manager PROXPAC Proximitor REBAM Seismoprobe System 1 TDIXconnX Tecknowledgy TipLoc TorXimitor Transient Data Manager Trendmaster TrimLoc VAM Velomitor Xlerometer The Bently Nevada Corporation Orbit Design is a trademark of Bently ...

Page 3: ...tion and Utilities Guide 129777 01 guidelines for using the 3500 Rack Configuration software for setting the operating parameters of the module Guidelines for using the 3500 test utilities to verify that the input and output terminals on the module are operating properly 3500 Monitoring system Computer Hardware and Software Manual 128158 01 instructions for connecting the rack to 3500 host compute...

Page 4: ...ane 11 3 2 6 Installing the Backplane onto a Surface 11 3 2 7 Installing the Backplane onto a DIN rail 11 3 2 8 Installing the Backplane into an Enclosure 13 3 3 Backplane Dimensions Vibration 15 3 4 Backplane Dimensions Keyphasor 15 4 Wiring the Hardware 16 4 1 Location of Terminals on the Vibration Transducer Interface Module 17 4 2 Location of Terminals on the Backplane 18 4 2 1 Vibration Backp...

Page 5: ...d to electrostatic discharge Damage caused by obvious mishandling of the board will void the warranty To avoid damage observe the following precautions in the order given Do not discharge static electricity onto the circuit board Avoid tools or procedures that would subject the circuit board to static damage Some possible causes include ungrounded soldering irons nonconductive plastics and similar...

Page 6: ... the hazardous environment A drawback to using galvanic isolation instead of zener barriers is that galvanic isolation introduces a small amount of noise and signal inaccuracy to the transducer output as listed in the data sheet at the end of this manual This error can cause some concern in certain applications as described in the section Checking the Accuracy of the Output Signal page 5 The Bentl...

Page 7: ...is used with the 3500 25 Keyphasor Monitor Hazardous Area Connector A screw clamp connector for attaching transducer wiring to the hazardous area terminals at the top of the Vibration Transducer Interface module Interface Cables Cables that interface the backplanes to the 3500 Monitoring System Order these separately Earth Rail An accessory that comes with the backplane and provides a convenient e...

Page 8: ...ic Isolator Interface Manual 4 M4x10 spacer 4 Surface mount Retaining washer M4 4 Surface mount Power supply Connectors 2 Power Input An enclosure is also available with the isolator system as optional accessories ...

Page 9: ...ystem document If you cannot verify that the system meets approval requirements refer to the certificate for clarification of any aspects of intrinsic safety or contact Bently Nevada or your local Bently Nevada representative for assistance Refer to the General Information section for appropriate applications 3 1 2 Checking the Accuracy of the Output Signal Before installing a 3500 Galvanic Isolat...

Page 10: ...he frequency of the vibration The additional ac error will affect vibration measurements 3 2 Installing Backplane Hardware These procedures show how to attach Vibration Transducer Interface modules connectors and the earth rail to the backplane Before you begin take note of the following precaution about installing components in hazardous areas WARNING Do NOT install a backplane or other safe area...

Page 11: ...ne as shown and insert it onto the connector This connects the module to the appropriate safe area connector pins 7 and 8 and to the power supply 3 Tighten the two mounting screws where shown 1 Position Label 2 Mounting Screw 3 Safe Area Power Supply Base Connector 4 Backplane 3 2 2 Installing the Hazardous area Screw Clamp Connector 1 Trim the insulation of the wire back 12 mm The wire should be ...

Page 12: ...tors to the independent supply sources as illustrated and according to the 3500 Field Wiring Package 130432 01 Each connector can provide connection for both primary and secondary power supplies to the backplane Both connectors are functionally equivalent so that either or both of these connectors can be used as shown Be aware that the maximum wire gauge is 12 AWG 2 5 mm2 1 Vibration Backplane 2 K...

Page 13: ... a grounding location for transducers if local wiring codes require an earth ground Reference local wiring codes for any wiring restrictions The 3500 Galvanic Isolator Interface system does not require a high integrity earth and the transducers can be left floating or be earthed at any one point Refer to the 3500 Field Wiring Package 130432 01 Do not wire transducer common to earth A floating syst...

Page 14: ...e C holes of the backplane 1 Vibration Backplane 2 Keyphasor Backplane 3 C Holes 4 Earth Rail Post Positions 2 Mount the earth rails to the backplane with four M3x12 screws and washers 1 Earth Terminal 2 Plastic Rivet 3 Earth Rail 4 Earth Rail Post 5 M3 x 12mm Screw and Washer 2 places per post 6 Backplane 7 C Holes ...

Page 15: ...e Backplane onto a Surface 1 Drill and tap holes into the surface that the backplane will mount at the locations marked A See page 15 for backplane dimensions 1 Mounting Hole A 2 M4 x 12mm Screw 3 Locking Washer 4 Plain Washer 5 Backplane 6 M4 x 10mm Spacer 7 M4 Interference Washer 8 Tapped Mounting Surface 2 Mount the backplane using the spacers and screws as shown 3 2 7 Installing the Backplane ...

Page 16: ...g Hole A 2 DIN Rail Mounting Foot 3 M4 x 20mm Screw 4 Locking Washer 5 Plain Washer 6 Backplane 7 M4 x 10mm Spacer 8 M4 Interference Fit Washer 2 Position the screws and washers through the backplane mounting holes marked A as shown 3 Attach the backplane to the mounting feet with the fixing screws as shown Dimensions Millimetre inch ...

Page 17: ...lane into an Enclosure The Bently Nevada enclosure includes a mounting plate with tapped holes that correspond to the A holes of the backplane Position and install the backplane as shown using the surface mount portion of the mounting kit Dimensions Inch millimetre ...

Page 18: ...ing lugs to the underside of the enclosure as shown Dimensions Inch millimetre 1 Wall Mounting Lug 2 Alternate Position 2 Secure with a fixing screw Slide the screw into the TOP of the enclosure and screw it into the mounting lug This requires a long screwdriver 3 Mount the enclosure on a surface at the appropriate centers Refer to the data sheet at the end of this manual ...

Page 19: ...Section 3 Installing the Hardware 15 3 3 Backplane Dimensions Vibration Dimensions Inch millimetre 3 4 Backplane Dimensions Keyphasor Dimensions Inch millimetre ...

Page 20: ...rface modules This section shows the location of the connecting terminals and contains important precautions about safe and hazardous area connections that you must consider before you use the drawings to connect components WARNING NON Intrinsically Safe and Intrinsically Safe wiring MUST be separated by 50 mm minimum Reference local wiring codes before wiring the installation ...

Page 21: ...ule 1 Transducer 2 Hazardous Area 3 Safe Area 4 Vibration Transducer Interface 5 3500 Monitor Terminal Number Function 2 5 6 7 8 13 14 Supply to hazardous area Signal input Transducer Common Monitor Common Isolator Signal Output Power Supply Common Power Supply Positive Vs Notice that the module terminal connections are located at the following positions ...

Page 22: ...kplane 4 2 1 Vibration Backplane 1 OK Inhibit Contacts external Vibration Transducer Interfaces 1 to 4 2 OK Inhibit Contacts external Vibration Transducer Interfaces 5 to 8 3 Signal and Common Terminals 7 8 of Vibration Transducer Interfaces 1 to 4 4 Signal and Common Terminals 7 8 of Vibration Transducer Interfaces 5 to 8 5 Power Input Output Input Terminals 13 14 of all Vibration Transducer Inte...

Page 23: ...tion Transducer Interfaces Output Bussed Power to Adjacent Backplanes 5 Position of Vibration Transducer Interfaces 1 to 4 Position 1 Ch1 4 3 Connecting Single or Redundant Power Supplies in a Ring Main System Supply power to the Vibration Transducer Interface modules by connecting a 20 to 35 Vdc power supply to the backplane as shown Connect two power supplies to the backplane for dual redundancy...

Page 24: ...recommend using a ring main system A ring main system has the following characteristics and limitations 1 An individual backplane can be removed from power without effecting the operation of the other backplanes 2 Power MUST connect to the next backplane as shown in the figure on the next page 3 The power supply current in the ring main system must NOT exceed 3 8 amps from a single power supply Re...

Page 25: ...Section 4 Wiring the Hardware 21 0V V1 0V V2 0V 0V V1 0V V2 V1 0V V2 0V V1 0V V2 0V V1 0V V2 0V V1 0V V2 0V V2 0V V1 1 Power Supply ...

Page 26: ...ctor 2 Vibration Transducer Interface module WARNING An explosion may occur if the screw clamp connector touches an unprotected safe area component If you install or remove the screw clamp connector while power is on support the connector so that it cannot touch the backplane or the safe area circuits Contact between the screw clamp connector and the backplane may bypass the essential segregation ...

Page 27: ...bration p n 141660A01 1 2 3 4 or 5 6 7 8 Proximitor or Accelerometer 3500 44 Aeroderivative 1 2 3 4 Aero p n 141710 Vibration p n 141660A01 1 2 3 4 or 5 6 7 8 Accelerometer Interface Velocity only 3500 50 Tachometer 1 2 Vibration p n 141707 Vibration p n 141660A01 1 3 or 5 7 Proximitor I O Module type must be External Termination 3500 50 Tachometer Positions 2 4 or 6 and 8 not available The 3500 F...

Page 28: ...embly 2 Keyphasor Cable Assembly 3 25 way Male Connector with Straight Cable Entry 3500 Monitor 4 25 way Male Connector with 45o Cable Entry Backplane 5 9 way Male Connector with Straight Cable Entry 3500 Monitor 6 9 way Male Connector with 45o Cable Entry Backplane 1 Cable 2 45o Connector 3 Backplane ...

Page 29: ...ware 25 3 3 2 4 5 4 5 1 Cable Pin Outs 4 5 1 1 Cable Number 141707 AXXXX BXX 3500 Galvanic Interface Vibration Cable 1 Connector J1 3500 2 Connector J2 Backplane 3 Connect Shield to Backshell 4 TP Twisted Pair 5 N C No Connect ...

Page 30: ...tor Interface Manual 26 3 5 4 3 2 4 5 1 2 Cable Number 141708 AXXXX BXX 3500 Galvanic Interface Keyphasor Cable 1 Connector J1 3500 2 Connector J2 Backplane 3 Connect Shield to Backshell 4 TP Twisted Pair 5 N C No Connect ...

Page 31: ...the Hardware 27 2 3 5 4 3 4 5 1 3 Cable Number 141710 AXXXX BXX 3500 Galvanic Interface Aeroderivative Cable 1 Connector J1 3500 2 Connector J2 Backplane 3 Connect Shield to Backshell 4 TP Twisted Pair 5 N C No Connect ...

Page 32: ...ckplane as shown below The wire that is recommended is 18AWG to 22 AWG stranded 2 wire shielded with insulting sheath The shield should only be connected at one end as shown When Special Alarm Inhibit is not required these connections can be left unconnected 1 Special Inhibit A Remote Closure Contacts User Installed 2 Special Inhibit B Remote Closure Contacts User Installed 3 Inhibit Return Wire 4...

Page 33: ...ng modules and the tag details given comply with the relevant documentation Modules and hazardous area connectors are securely plugged into their matching sockets All connections to the backplane and to the hazardous area connectors are properly made Inspect connecting cables to backplanes and to hazardous area connectors for the following Specified type and rating Correctly routed and segregated ...

Page 34: ... the power LED on all modules are ON 4 Exchange potentially faulty modules with working units by using the installation instructions in Installing the Hardware To exchange potentially faulty Vibration Transducer Interface Modules 1 Vibration Backplane 2 Keyphasor Backplane 3 Power Supply Fuse 1 A Rating 4 Power Supply LED s Unplug the hazardous area connector Secure the connector so that it cannot...

Page 35: ...ule using the following procedure 1 Connect a power supply to a spare backplane 2 Plug the suspect module into any position on the backplane 3 Wire the module as shown R1 1000 Ω V1 Digital Voltage Meter Vin Function Generator Vo Digital Voltage Meter Vs 20 to 35 Vdc Vs Common 4 Set the input to the module to the following Vin 0 707 Vrms 100 Hz 6 0 Vdc offset 5 Verify that the output is as follows ...

Page 36: ...ng Faulty Isolators If a module or backplane is faulty contact your local Bently Nevada representative for the proper replacement procedure Do NOT attempt to repair or modify the module or backplane because this may affect the intrinsic safety of the module ...

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