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Anonymous Poster

Bently Neveda 3500 - How to Test Monitor Modules

09/13/2009 11:44 PM

Dear all,

I have Bently Neveda 3500 System. In my rack configuration I have 3500/22M TDI , 3500/62, 3500/42M and 3500/50 modules.

Now I want to simulate the field signal by injecting the current ( 4-20mA ) and DC V at field terminals.

I am getting the module verification for 3500/62 monitor module. I am injecting 4-20mA signal at its field terminals and same value appears in programming/configuration software.

However, when I inject D Voltage to 3500/42M modules terminals, it doesn't any changes on configuration software. same is the case for 3500/50.

Does I am following the correct procedure of testing the 3500/42m and 3500/50 modules.

How do I test its simulation functionality ?

As Per catalogs it accept the DC V signal.

Can anybody brief me how to test these 42M and 50 monitor modules.
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wrenchpuller
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Join Date: Dec 2007
Location: texas
Posts: 92
Good Answers: 8
#1

Re: Bently Neveda 3500 - How to Test Monitor Modules

09/15/2009 9:07 PM

Hi,

3500/42m and 3500/50 cards have four terminals per channel(power out,common,signal and shield) I don't know in which of the terminals you are "injecting" dc power to but I can tell you that these cards put out 24 or 18 vdc(power out-neutral terminals) so injecting voltage there will not work for sure.The only method I have used to test the 42m card is configuring the card for either vibration or thrust and connecting proximitor and probe to the card then use a tk3 to do the simulation, you can jumper the signal to another channel if you want to check two channels at one time as long as both channels are configured for the same function.

The 3500/50 is a keyphasor card again the only way I've checked it is connecting a proximitor and probe to the card and using a tk3 for simulation, you can check two channels at one time by jumping the signal in this card as well....."the nuts and bolts man"

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