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Gradient with Waters PCM and two 510 pumps
Posted: Thu Jan 08, 2009 2:55 pm
by Ghost Writer
Do I need to set up a separate event stimulus from Computer (Empower Software) to PCM for each different line in my gradient table? If so, how do I do this?
Cheers.
Posted: Thu Jan 08, 2009 3:06 pm
by danko
Hi Ghost Writer,
You don’t need to set up events. Just enter time and percentage A/B in the gradient table and you’ll get the desired gradient.
Best Regards
Posted: Thu Jan 08, 2009 4:32 pm
by Ghost Writer
danko,
I have no problem with setting up the gradient table but when the time for the 2nd line of the table comes it doesn't change the gradient but stays at the initial setting. They are all connected via IEEE 488 cables and successfully talking to each other with the exception of the gradient.
Cheers. And I appreciate your trying to help.
Posted: Thu Jan 08, 2009 9:22 pm
by danko
Hi again,
In that case, the only problem I can think of is the firmware of the PCM. Have you checked its compatibility with Empower?
I can slightly remember that we had to upgrade the firmware of some of our PCMs when we upgraded from Millennium 3 to Empower 2. The firmware is installed on a chip which can easily be replaced.´
Best Regards