Products > Test Equipment
LCR Meter Plot Software
Hexley:
--- Quote from: mawyatt on April 28, 2023, 04:42:34 pm ---Don't have any more plots with the GPP, but don't recall any serial port or read back issues with it, worked just like the SDP3303X. However, wasn't paying close attention but do remember that it was quite stable after leaving it running for almost an entire day.
One issue with the GPP we were/are having is trying to communicate thru the USB port, can't get the port to even open, but since we were able to get the RS232 port working didn't pursue this at the time.
BTW if you want I can set up the GPP and check it, let me know.
Best,
--- End quote ---
No need to set up anything, but thanks for the offer.
Q: When you were trying to communicate through the USB port, did you trythe USB "driver" that Instek lists on their downloads page for the GPP-4323?
mawyatt:
--- Quote from: Hexley on April 28, 2023, 07:08:24 pm ---No need to set up anything, but thanks for the offer.
Q: When you were trying to communicate through the USB port, did you trythe USB "driver" that Instek lists on their downloads page for the GPP-4323?
--- End quote ---
No didn't use the USB driver, as everything else seems to work directly with VISA without any additional driver(s), USB, RS232, or otherwise.
May give that GW driver a try when we get back to using the GPP, but honestly don't like having to mess around with drivers and such.
Best,
Hexley:
--- Quote from: mawyatt on April 28, 2023, 10:23:13 pm ---
--- Quote from: Hexley on April 28, 2023, 07:08:24 pm ---No need to set up anything, but thanks for the offer.
Q: When you were trying to communicate through the USB port, did you trythe USB "driver" that Instek lists on their downloads page for the GPP-4323?
--- End quote ---
No didn't use the USB driver, as everything else seems to work directly with VISA without any additional driver(s), USB, RS232, or otherwise.
May give that GW driver a try when we get back to using the GPP, but honestly don't like having to mess around with drivers and such.
Best,
--- End quote ---
OK, I just had to look into this a bit. Results are posted in the TestController thread, but the bottom line is that Instek seems to have used some uncommon implementation of serial-over-USB. So they require their own driver to make a USB-connected GPP-4323 appear as a virtual serial port.
Seems like an odd implementation choice.
I verified that indeed Windows did not see the GPP-4323 USB connection as a serial port unless and until the Instek driver was loaded. After that, it worked as expected.
I share your dislike of devices needing drivers, which is why I am using the LAN port for control. Even a USB-to-serial dongle on the PC requires a driver, after all, though that may be hidden if Windows supports the particular dongle natively. I kind of miss the days of 16550 UARTs and ISA adapter cards. (Just kidding!)
mawyatt:
That special driver works, thanks!!
Best,
oz2cpu:
super inspired by mikes idea about a curve tracer for the LRC instrument TH2830,
we had a great day making a little java version
it run in a random browser and any platform
no sw install needed, no skils needed, it is so far just two txt files in a folder, one is a HTML file
and it also works perfectly fine on a PC
anyone like to hear more about this ?
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