[time-nuts] Re: Datum PRS-50 monitoring software

va2hdd at ebox.net va2hdd at ebox.net
Fri Dec 30 20:53:54 UTC 2022


Hello to all members.

Getting ready for New Year celebrations slowed my work on my PRS-50.

First I want to thank Tom Van Baak and  Jim Harman for their help.

I progressed, I'm now able to communicate with the beast; but so far all 
my attempts at using Win 10 and USB to RS-232 dongles failed.

I brought back to life an old Win 98 desktop that was gathering dust and 
in a matter of minutes I was able to communicate, both with the DOS and 
Windows version of the software.

I'm no cesium ref specialist but I get three errors and also two values 
raise my eyebrows :

* the 24 V supply is at 22

* the power on hour counter is at 0 and it stay there, it does not 
increase.

I tried to share the screen captures and data log that is on my old 
desktop so I can upload them to my Win 10 laptop, but no luck Windows 
safety measure will not allow it.

I the tried to use a USB key on the Win 98 computer but I no longer have 
small size keys, so I suspect that the partition on the USB key is not 
compatible with Win 98

Tomorrow I will try to send the files to an old win 2K computer and then 
to a USB key OR I will write a CD with the Win 98 computer.

Again thank you to all members !

73 from Claude VA2 HDD




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