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Summary of Contents for Bently Nevada 3500 Galvanic Isolator Interface
- Page 1 Part number 141706-01 Revision NC, August 1999 3500 Galvanic Isolator Interface Manual...
- Page 2 Copyright © 1999 Bently Nevada Corporation All Rights Reserved. The information contained in this document is subject to change without notice. The following are trademarks of Bently Nevada Corporation in the United States and other countries: Actionable Information™, Actionable Information to the Right People at The Right Time™, ADRE®, Bently...
- Page 3 Additional Information Notice: This manual does not contain all the information required to operate and maintain the 3500 Galvanic Isolator Interface. Refer to the Following manuals for other required information. 3500 Monitoring System Rack Installation and Maintenance Manual (129766-01) •...
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Page 4: Table Of Contents
3500 Galvanic Isolator Interface Manual Contents Receiving and Handling Instructions ........1 1.1 Receiving Inspecting ..................1 1.2 Handling and Storage Considerations ...............1 1.3 Disposal Statement ...................1 General Information ..............2 2.1 The Parts of the Interface System ..............3 Installing the Hardware...............5 3.1 Before You Begin ....................5 3.1.1 Verifying that the Installation will Meet Approval Requirements ..5... -
Page 5: Receiving And Handling Instructions
Handling and Storage Considerations Store the 3500 Galvanic Isolator Interface module and any other Bently Nevada equipment in an environment free from potentially damaging conditions such as high temperature, excessive humidity, or a corrosive atmosphere. -
Page 6: General Information
This error can cause some concern in certain applications as described in the section Checking the Accuracy of the Output Signal, page 5. The Bently Nevada 3500 Galvanic Isolator Interface can receive inputs from the following approved Bently Nevada transducers: •... -
Page 7: The Parts Of The Interface System
Section 2 — General Information The Parts of the Interface System Part Part Name Function of the part Vibration A galvanic isolator that isolates safe-area Transducer circuitry from hazardous-area circuitry. Interface Module Backplane A circuit board that distributes power to (Vibration) the Vibration Transducer Interface modules and sends transducer output... - Page 8 3500 Galvanic Isolator Interface Manual M4x10 spacer Surface mount Retaining washer, M4 Surface mount Power supply Connectors Power Input An enclosure is also available with the isolator system as optional accessories.
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Page 9: Installing The Hardware
Before You Begin Before you install the 3500 Galvanic Isolator Interface, use the following two checklists to verify that the installation will meet approval requirements and to check the accuracy of the output signal. -
Page 10: Installing Backplane Hardware
An explosion may occur if safe area components are installed in a hazardous environment. Install the 3500 Galvanic Isolator Interface in a safe environment unless the modules are protected by a locally acceptable explosion proof technique. -
Page 11: Installing The Vibration Transducer Interface Modules
Section 3 — Installing the Hardware 3.2.1 Installing the Vibration Transducer Interface Modules Install Vibration Transducer Interface modules on the backplane (refer to the 3500 Field Wiring Package (130432-01)). To install a Vibration Transducer Interface module: 1. Attach a position label (NOT supplied) where shown if necessary. The label identifies the location of the module on the backplane. -
Page 12: Connecting The Power Supplies
3500 Galvanic Isolator Interface Manual 3.2.3 Connecting the Power Supplies Power is supplied to the backplane through two power supply connectors. To install the power supply connectors: 1. Connect the power supply connectors to the independent supply sources as illustrated and according to the 3500 Field Wiring Package (130432-01). -
Page 13: Installing The Earth Rail
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. - Page 14 3500 Galvanic Isolator Interface Manual To attach the earth rail: 1. Locate the earth rail over the "C" holes of the backplane. Vibration Backplane Keyphasor Backplane “C” Holes Earth Rail Post Positions 2. Mount the earth rails to the backplane with four M3x12 screws and washers.
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Page 15: Installing The Backplane
• A "G" or "T" type DIN-rail • A Bently Nevada enclosure If you order an enclosure with the interface system, the system will be shipped with the backplane installed within the enclosure. This installation will use some mounting kit hardware, specifically, those parts pertaining to a surface installation. - Page 16 3500 Galvanic Isolator Interface Manual 1. Attach the DIN-rail mounting feet onto two lengths of "G" or T-section DIN rails. Mounting Hole “A” DIN Rail Mounting Foot M4 x 20mm Screw Locking Washer Plain Washer Backplane M4 x 10mm Spacer M4 Interference Fit Washer 2.
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Page 17: Installing The Backplane Into An Enclosure
3.2.8 Installing the Backplane 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. - Page 18 3500 Galvanic Isolator Interface Manual 3.2.8.1 Installing the Enclosures to a Surface Install the enclosure to a surface use the following procedure: 1. Attach wall-mounting lugs to the underside of the enclosure as shown. Dimensions: Inch (millimetre) Wall Mounting Lug Alternate Position 2.
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Page 19: Backplane Dimensions (Vibration)
Section 3 — Installing the Hardware Backplane Dimensions (Vibration) Dimensions: Inch (millimetre) Backplane Dimensions (Keyphasor) Dimensions: Inch (millimetre) -
Page 20: Wiring The Hardware
3500 Galvanic Isolator Interface Manual Wiring the Hardware The 3500 Field Wiring Package (130432-01) shows how to connect transducers, power supplies, and monitors to the interface 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. -
Page 21: Location Of Terminals On The Vibration Transducer Interface Module
Section 4 — Wiring the Hardware Location of Terminals on the Vibration Transducer Interface Module 20 to 35 Vdc Transducer Hazardous Area Safe Area Vibration Transducer Interface 3500 Monitor Terminal Function Number Supply to hazardous area Signal input Transducer Common Monitor Common Isolator Signal Output Power Supply Common... -
Page 22: Location Of Terminals On The Backplane
3500 Galvanic Isolator Interface Manual • Terminals 1 through 6 are on the top of the Vibration Transducer Interface module. These terminals connect to the screw clamp connector for the hazardous-area connections. • Terminals 7 through 14 are located on the bottom of the Vibration Transducer Interface module and connect to the backplane. -
Page 23: Keyphasor Backplane
Section 4 — Wiring the Hardware 4.2.2 Keyphasor Backplane. Signal and Common: Terminals 7 & 8 of Vibration Transducer Interfaces 1 & 2. Signal and Common: Terminals 7 & 8 of Vibration Transducer Interfaces 3 & 4. Power Input/ Output: Input: Terminals 13 & 14 of all Vibration Transducer Interfaces;... - Page 24 3500 Galvanic Isolator Interface Manual Vibration Backplane Keyphasor Backplane Connector Position “A” Connector Position “B” Power Supply To reduce wiring while powering the 3500 Vibration Transducer Interface system, we recommend using a "ring-main" system. A "ring-main" system has the following characteristics and limitations: 1.
- Page 25 Section 4 — Wiring the Hardware Power Supply...
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Page 26: Precautions About Connecting The Screw Clamp Connectors
3500 Galvanic Isolator Interface Manual Precautions about Connecting the Screw Clamp Connectors Connection of a transducer to a Vibration Transducer Interface module is through the hazardous area screw clamp connector. Screw Clamp Connector Vibration Transducer Interface module WARNING An explosion may occur if the screw clamp connector touches an unprotected safe-area component. -
Page 27: Connecting Cable Assemblies To Backplanes
The cable assembly type is determined by the 3500 Monitor (3500/25, 3500/40, 3500/42, 3500/44 or 3500/50) and backplane (Vibration or Keyphasor) combination. The following table shows the 3500 Monitor, Cable, Backplane and Transducer combinations that can be used with the 3500 Galvanic Isolator Interface. 3500 Monitor Cable Backplane... - Page 28 3500 Galvanic Isolator Interface Manual Vibration and Aeroderivative Cable Assembly Keyphasor Cable Assembly 25-way Male Connector with Straight Cable Entry (3500 Monitor) 25-way Male Connector with 45 Cable Entry (Backplane) 9-way Male Connector with Straight Cable Entry (3500 Monitor) 9-way Male Connector with 45...
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Page 29: Cable Pin Outs
Section 4 — Wiring the Hardware 4.5.1 Cable Pin Outs 4.5.1.1 Cable Number 141707-AXXXX-BXX, 3500 Galvanic Interface (Vibration) Cable Connector J1 (3500) Connector J2 (Backplane) Connect Shield to Backshell TP= Twisted Pair N/C= No Connect... - Page 30 3500 Galvanic Isolator Interface Manual 4.5.1.2 Cable Number 141708-AXXXX-BXX, 3500 Galvanic Interface (Keyphasor) Cable Connector J1 (3500) Connector J2 (Backplane) Connect Shield to Backshell TP= Twisted Pair N/C= No Connect...
- Page 31 Section 4 — Wiring the Hardware 4.5.1.3 Cable Number 141710-AXXXX-BXX, 3500 Galvanic Interface (Aeroderivative) Cable Connector J1 (3500) Connector J2 (Backplane) Connect Shield to Backshell TP= Twisted Pair N/C= No Connect...
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Page 32: Connecting Special Alarm Inhibits
Special Inhibit ‘B’ Remote Closure Contacts (User Installed) Inhibit Return Wire Inhibit Wire Shield Wire Configuring the 3500 Monitoring System Use the 3500 Rack Configuration software to configure the Bently Nevada 3500 monitors connected to the 3500 Galvanic Isolator Interface for GALVANIC ISOLATOR. -
Page 33: Maintenance And Troubleshooting
Maintenance We recommend that you use the following checklist to check the condition of the 3500 Galvanic Isolator Interface system installation at least once every two years. Use this list more frequently if the installation is in a particularly harsh environment. -
Page 34: Troubleshooting
3500 Galvanic Isolator Interface Manual Troubleshooting When troubleshooting, carry out the following steps as far as is necessary: 1. Check that at least one of the backplane power supply status LEDs are ON. One LED will be on for each installed power supply. -
Page 35: Bench Testing Isolators
Section 5 — Maintenance and Troubleshooting • Replace the hazardous-area connector. 5.2.1 Bench Testing Isolators Test potentially faulty modules in workshop conditions using the installation instructions in "Installing the Hardware". Test the suspected module using the following procedure: 1. Connect a power supply to a spare backplane. 2. -
Page 36: Replacing Faulty Isolators
5.2.2 Replacing 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...
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