7i92T and mx3660 request for help
- ClarkSavage
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16 Feb 2026 18:20 #343060
by ClarkSavage
7i92T and mx3660 request for help was created by ClarkSavage
I hope this is not a double post - tried earlier, reported only 8 files attached so I cancelled, will try here and then follow with the other files
Below tells what I have and have done - what I could use some help with.What I am trying to do is simply hook the 7i92T to my mx3660 without moving anything - just wish to replace my parallel port with the MESA, so keep all my parallel stuff - limits and other as is just need to get the 7i92T to be the faux parallel port and work in LinuxCNC.
Below tells what I have and have done - what I could use some help with.What I am trying to do is simply hook the 7i92T to my mx3660 without moving anything - just wish to replace my parallel port with the MESA, so keep all my parallel stuff - limits and other as is just need to get the 7i92T to be the faux parallel port and work in LinuxCNC.
- Had a working 2.9.8 with an MX3660 controlling steppers VIA parallel port
- Have new install of LinuxCNC 2.9.8, a MESA 7i92tm with P2 being a parallel DB25.
- I did learn that the 7i92tm and 7i92T are both named in configs as 7i92T with no M or other.
- Have everything wired, network works, network can see the MESA and a parallel cable out of P2 on the card to my MX3660.
- Finally flashed the 7i92 with the bin file: 7i92t_mx3660d.bin
- 7i92 reported successful flash.
- Shut everything down and rebooted all.
- The 7i92 gets red and green lights then the red goes out and the green is on like I understand it should be.
- Proceeded to Pncconfig figuring this will be easy.
- When I go into pncconfig I do not see in the "hardware" select able anything like "mx3660" but I do see such as "7i92 internal" and "Geckoxxxxxx" [x where I do not remember] and so on, tried several. Wondering if the flash did not give me the mx3660 - thought it would just show up as mx3660d in the list.
- Also, after reading the manual, the forum search, everything including youtube videos the pages do not look like the ones in those shown. I can get to the card setup and after accepting the changes - including 10.10.10.10 for the card I do get the P1 and P2 pages for the card.Anyway, stumped. Tried several manual configs of the card, tried setting the X axis and testing - when I actually do "test axis" for calibrate the red light on the 7i92 lights. I have to power cycle to get it off, as soon as I test the axis it red lights. So I am attaching what I see others have - the output of the card from a terminal, along with my old ini and hal files - whatever may be of use. Please note the name of my ini and hal files reference 2.8.4 but that's just the names I gave the last working configs I did update but left the bookworm file name in the configs.I appreciate anything to get on track I can get. FYI - the 7i92 is connected to the MX3660, what I really could use is what the pins or setup should be. Why I went to the 7i95 is to offload some from the computer port since I would get occasional errors if trying to run faster than 180ipm. I do not mind 180ipm it's just that the computer port appeared to choke on the data stream once in a while.If I can get this to work I intend to write it all up and post it for others as a complete - including that the bin file needs to be in the home usr directory to flash. Instructions were to put the file in the same directory as "mesaflash" but that isn't true, unless I am seriously missing something and I may be.Thanks
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- ClarkSavage
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16 Feb 2026 18:22 #343061
by ClarkSavage
Replied by ClarkSavage on topic 7i92T and mx3660 request for help
MESA files attached for previous message
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- PCW
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16 Feb 2026 20:17 - 16 Feb 2026 20:39 #343067
by PCW
Replied by PCW on topic 7i92T and mx3660 request for help
1. I would use pncconfs "Discovery" option so pncconf "knows" what the firmware options are.
2. Then set the number of stepgens, encoders, PWMgens actually used
If this is not done, the GPIO pins these functions use will be masked
and unavailable for limit/home switches etc
3. If you want to know stepgenN --> MX3660 mapping etc:
mesaflash --device 7i92T --addr 10.10.10.10 --dbname1 mx3660 --readhmid
2. Then set the number of stepgens, encoders, PWMgens actually used
If this is not done, the GPIO pins these functions use will be masked
and unavailable for limit/home switches etc
3. If you want to know stepgenN --> MX3660 mapping etc:
mesaflash --device 7i92T --addr 10.10.10.10 --dbname1 mx3660 --readhmid
Last edit: 16 Feb 2026 20:39 by PCW.
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