Bently Nevada 3500 Galvanic Isolator Interface, Manual

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3500 Galvanic Isolator Interface Manual
iv
Contents
1. Receiving and Handling Instructions ........................................1
1.1 Receiving Inspecting .........................................................................................1
1.2 Handling and Storage Considerations ...............................................................1
1.3 Disposal Statement ...........................................................................................1
2. General Information ....................................................................2
2.1 The Parts of the Interface System .....................................................................3
3. Installing the Hardware...............................................................5
3.1 Before You Begin ..............................................................................................5
3.1.1 Verifying that the Installation will Meet Approval Requirements ..........5
3.1.2 Checking the Accuracy of the Output Signal.......................................5
3.2 Installing Backplane Hardware ..........................................................................6
3.2.1 Installing the Vibration Transducer Interface Modules ........................7
3.2.2 Installing the Hazardous-area Screw Clamp Connector......................7
3.2.3 Connecting the Power Supplies..........................................................8
3.2.4 Installing the Earth Rail.......................................................................9
3.2.5 Installing the Backplane....................................................................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 Backplane..........................................................................18
4.2.2 Keyphasor Backplane.......................................................................19
4.3 Connecting Single or Redundant Power Supplies in a Ring Main System .......19
4.4 Precautions about Connecting the Screw Clamp Connectors..........................22
4.5 Connecting Cable Assemblies to Backplanes..................................................23
4.5.1 Cable Pin Outs .................................................................................25
4.6 Connecting Special Alarm Inhibits ...................................................................28
4.7 Configuring the 3500 Monitoring System .........................................................28
5. Maintenance and Troubleshooting ..........................................29
5.1 Maintenance....................................................................................................29
5.2 Troubleshooting...............................................................................................30
5.2.1 Bench Testing Isolators ....................................................................31
5.2.2 Replacing Faulty Isolators ................................................................32