On Fri, 30 Mar 2012, Viesturs L?cis wrote:
Date: Fri, 30 Mar 2012 21:23:50 +0300
From: "[UTF-8] Viesturs L?cis" <viesturs.la...@gmail.com>
Reply-To: "Enhanced Machine Controller (EMC)"
<emc-users@lists.sourceforge.net>
To: "Enhanced Machine Controller (EMC)" <emc-users@lists.sourceforge.net>
Subject: Re: [Emc-users] Smart-serial and 7i43
2012/3/29 Viesturs L??cis <viesturs.la...@gmail.com>:
It is past 9 PM, so I will try to run LinuxCNC with 8i20
attached tomorrow morning once more.
Peter, today I tried again and the result is the same as before -
"fault" led is turned on and I do not see 8i20 in "Show HAL config"
under Pins -> hm2_7i43 -> 0.
I have:
1) +55 VDC applied to motor power;
2) +12 VDC applied to "enable" input;
3) checked the cable between 7i43 to 8i20 again (including the ttl
<--> rs422 converter in the middle) - all the wire leads match the
firmware pinout, SN75179 pinout and 8i20 serial port pinout
I do not have motor attached.
There are 5 LEDs turned on:
1) PWR
2) LV STATUS
3) ISO PWR
4) HW ON
5) FAULT
The only LED that is not turned on is STATUS.
Are there any testing tools that I could try out to find, why does not
LinuxCNC receive any response from 8i20 drive?
Viesturs
Is your RJ45 pin 3 high? (high than pin 6) if not you likely have the +/-
swapped on both RX and TX
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Peter Wallace
Mesa Electronics
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