Is there anybody on board who had experienced in the past upgrading their ADRE 208 to ADRE 208-P? Bently Nevada in the early 2000s had this Kit available to Customers in order to make use of newer computer at that time. I am interested in knowing what are the contents of this Kit and instruction procedures (if any) for doing the conversion.

Former BN Employees may have some information save on their file.

Thanks,

Boni

 

Original Post

Wow, ancient history!

I was a BN employee and converted many a 208 to 208P.  I can tell you that this is not a conversion that would involve obtaining some electronic components and making a few changes.  It involved the replacement of several of the main boards in the unit.  I'm working from memory but perhaps three boards were involved, totally different than the boards in the 208.  The front panel was also changed although I don't remember if this was done solely so the unit carried the 208P identifier or if there was a electronic reason.  Even if you could find a set of those boards, which BN discontinued many years, they are only usable with a handful of PC's from the same "vintage".  Also, the PC's had to run Windows XP as I recall.  That in itself has proven a challenge to some on this board.  Very often the recommendation is to go on eBay and buy something old, like an IBM laptop (many T series worked) or Dell D series laptops like the D620 or D630 (which I used).  Review some of the threads at https://www.maintenance.org/ad...agination.sort=SCORE

The P/N was 134559-01 for the kit to upgrade a 208 DAIU (that already had the CE
mark) to a 208-P DAIU with CE mark.  There also was another kit, P/N 134559-02 that was used to upgrade a 208 DAIU (that did not have have the CE mark to a 208-P DAIU with CE mark.

Some used units are supposedly available at https://www.cascademvs.com/used-equipment/ but keep in mind what I said about the laptop that is needed.  

Thanks John! I know you will reply. You are correct both ADREs have completely different on 2 boards (Top board and DSP second from top) but identical for 3 other boards. Enclosed is the picture of ADRE 208-P showing all the five boards installed.

I got the 2 boards (Top card and DSP card) from ebay few days ago and for sure were taken from ADRE 208-P CE.

I have both ADREs. The other ADRE 208 is not a CE where I have planned to upgrade once I received those cards. I noticed the case of ADRE 208-P have two aluminum strips to make a good contact with the top cover (see picture) whereas the 208 don't. I think this could be related to CE mark requirement. I have couple of T43 computers that are perfect for the ADRE. ADRE 208 are still perfect diagnostic instrument even today. If these ADRE can be connected together will be very useful.

From memory recall, is there any more to do aside from changing the 2 cards?

Thank you,

Bonibhc 100

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BONI 2 posted:

 

From memory recall, is there any more to do aside from changing the 2 cards?

Thank you,

Bonibhc 100

All I can remember is changing the cards and the front panel (for identification), but I can't say positively it was two or three cards that got swapped.  But beyond that, there wasn't anything that needed to be done.  I assume you have the cables needed for the 208P?  

You are probably correct that the two aluminum strips were to improve contact with the top cover and that might have been part of CE.  Early on, even in non "P" days  there was also a nylon spacer added at the power plug on the back.  It was determined that under a special set of circumstances you could get an arc when unplugging the power pack if it was still plugged into "mains".

You can not mix the two types of units, i. e., a 208 won't work with a 208P.

 

 

Thanks again John! I will take note of the nylon spacer and will find a way to look for aluminum equivalent. I am positive that you only swapped 2 cards because the 3 others cards are exactly identical PWA even the revision letter. I am assuming that after swapping the 2 cards it will work same as P version and that I could interconnect the two. I have computer and interconnection cables for the P version.

Thank you,

Boni

As best I recall, the nylon spacer is what you want, not aluminum.  The reason I think that is I encountered the issue and it literally resulted in a small burn spot from the arc.  I was assured there wasn't any way an arc could occur so I sent my unit in and asked "how did the burn spot get there."  The unit came back with the nylon ring.

Check the rear panel view at https://www.ebay.com/itm/Bentl...&redirect=mobile

vibramac posted:

Thanks for that.  Have you some form of external plug that you connect the power back up to or do you go through the AC power point. 

The 208/208P can function perfectly without a battery.  Simply plug the 208 into a UPS or back up power source.  Keep in mind that the original battery was intended to provide several hours of use, perhaps 4 as best I recall, but the average UPS like you might buy for a computer, will likely only provide minutes of use.

There was also a blank front panel available that covered the battery compartment rather than leave an opening with exposed electronics.  It is no longer available so I I suggest you make something that resembles the panel attached to the battery. 

 

Depending on certain condition for example, machine you are diagnosing is use for isochronous operation or black start where ADRE battery is essential otherwise AC is always available. There is also a situation where battery is needed during an unexpected brief power interruption say during plant switching of startup transformer, however, this can be addressed by UPS. Since the battery is no longer available you can virtually forget it and have UPS with you. There may be sizeable UPS that you can use until main AC is available.  

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