Re: Parallel port
- Subject: Re: Parallel port
- From: JohnDRoc-at-aol.com
- Date: Fri, 23 Jun 2000 23:59:43 EDT
- CC: emc-at-nist.gov
- Content-Transfer-Encoding: 7bit
- Content-Type: text/plain; charset="US-ASCII"
Will,
I hope you're feeling better now! I think you're right - it wasn't compiled
correctly. I have the June EMC (RH6.0, RTL2.2) up and running (kind of) and
it seems to be doing a lot that May wasn't. I think I have a pretty solid
build going now (I hope).
On a separate subject (I copied this to the EMC group, in case anyone has
similar experience)...
I spoke to Fred yesterday about the STG2 board and the fact that I was
getting min/max limit errors when I had the polarities set at 0 and no limit
switches hooked up. I FINALLY got the Y axis on the Milltronics to run. I
got it to jog back and forth at different speeds, which was definitely cool,
but the amplifier boards are a pain in the wazoo! When EMC is not in
"Machine On" mode, the axis tends to "drift." There is an "axis disable" on
the board, but I couldn't get it to work right with the STG2 Amp enable
output. I think it has to go to ground instead of a voltage which means that
I'll have to hook them up to a relay. My question is about the Amplifier
Fault and Limit Switch inputs. I've got them all tied to ground, but I still
get occasional Amp and Limit errors. When I do, I can't get them to reset or
Limit override or anything. I have to go into the .ini file and actually
change the polarity - it's almost like a toggle switch. I'm tempted to go in
and hard code the values to null and just hook a relay up to limit switches,
which would disable the amp boards and give a following error. I would kind
of like to know if it is a bug where the variables aren't being reset, or if
I have it hooked up wrong. If I can figure out the amplifier set-up, I'll be
good to go! Thanks.
-John
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