On Sun, 14 Feb 2021, Viesturs L?cis wrote:
Date: Sun, 14 Feb 2021 16:26:41 +0200 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] Some questions about 6i25 and 7i77+7i74 combosv??td., 2021. g. 14. febr., plkst. 11:57 ?? lietot??js andy pugh (<[email protected]>) rakst??ja:On Sun, 14 Feb 2021 at 09:46, Viesturs L??cis <[email protected]> wrote:> What I did notice there is that I do not understand, how to determine, > which gpio pins are outputs and which are inputs. For 7i96 board > outputs have ssr in the pin name. 7i77 also has output drivers on > board so I would expect them assigned to particular gpio pin number. No. The 7i77 GPIO is serially addressed. If you have a 7i77 you will not use the 5i25 GPIO pins at all, as they are allocated to other tasks (in the main) Your 7i77 GPIO inputs and outputs will be under hm2_5i25.0.7i77.......Then I have no idea, what I am missing. I have only analog outputs under hm2_5i25.0.7i77.0.1....
This likely means you do not have field power applied to the isolated digital I/O section of the 7I77 (orange connector)
https://www.picpasteplus.com/v.php?i=32f5542e1e Viesturs
Peter Wallace
Mesa Electronics
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