On Sun, 18 Mar 2012, Viesturs L?cis wrote: > Date: Sun, 18 Mar 2012 07:21:38 -0400 > From: "[UTF-8] Viesturs L?cis" <[email protected]> > Reply-To: "Enhanced Machine Controller (EMC)" > <[email protected]> > To: "Enhanced Machine Controller (EMC)" <[email protected]> > Subject: Re: [Emc-users] Smart-serial and 7i43 > > 2012/3/17 Peter C. Wallace <[email protected]>: >> Heres tha latest I have(any SSERIAL with 5 registers has to be at least 6 >> months old) > > So I got LinuxCNC to start up without errors. I have connected 8i20 > drive to 7i43 card. > > 1) But I do not see it in "Show HAL config" (I expect it to appear > there, if sserial module finds it): > http://www.linuxcnc.org/docs/devel/html/man/man9/hostmot2.9.html#8i20 > > Based on that I understand that communication between sserial and 8i20 > is not happening. > > I should mention that between 8i20 and 7i43 is my diy ttl <--> rs422 > converter (I am aware of existence of 7i44 card, but since I only want > to test, how 8i20 would perform with my servo motors, I thought that > building such a convertor would be cheaper). That converter is based > on SN75179 chip (very first scheme here): > http://www.datasheetarchive.com/dl/Datasheets-37/DSA-720721.pdf > > Based on firmware's PIN file, there are following sserial pins on P3 > connector: > 21 34 IOPort SSerial 0 RXData1 (In) > > 23 35 IOPort SSerial 0 RXData2 (In) > > 25 36 IOPort SSerial 0 TXData1 (Out) > > 27 37 IOPort SSerial 0 TXEn1 (Out) > > 29 38 IOPort SSerial 0 TXData2 (Out) > > 31 39 IOPort SSerial 0 TXEn2 (Out) > > > I have connected RXData1 and TXData1 to my converter, all the > remaining pins are not connected anywhere. > > Is this correct? > How can I test the communication between 7i43 and 8i29 cards, to see, > if that convertor is actually working? > > On 8i20 card 4 LEDs are shining: > Pwr > Lv status > Iso pwr > Fault >
SSERIAL will not start a 8I20 unless the 8I20 has its drive enable powered and >~45V motor power. (newer 8I20 firmware does allow starts under these conditions) > 2) Even more, in INI file I have: > [HOSTMOT2] > DRIVER=hm2_7i43 > BOARD=7i43 > CONFIG="firmware=hm2/7i43-4/BOSSVSS.BIT num_encoders=6 sserial_port_0=00" > > But in "Show HAL config" I see not only 6 encoders, but also 2 pwmgens > and 5 stepgens. > > Can anyone suggest me, where did they come from? They are in the configuration (and the HM2 driver default behavior is to turn all hardware on if unspecified in the command line) > > Is there a chance for any 8i20 user (preferrably together with 7i43) > to share some insights, how to set it up? I would really appreciate > related parts of config files. > > Viesturs > > ------------------------------------------------------------------------------ > This SF email is sponsosred by: > Try Windows Azure free for 90 days Click Here > http://p.sf.net/sfu/sfd2d-msazure > _______________________________________________ > Emc-users mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/emc-users > Peter Wallace Mesa Electronics (\__/) (='.'=) This is Bunny. Copy and paste bunny into your (")_(") signature to help him gain world domination. ------------------------------------------------------------------------------ This SF email is sponsosred by: Try Windows Azure free for 90 days Click Here http://p.sf.net/sfu/sfd2d-msazure _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
