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  • PCW
  • PCW's Avatar
25 Mar 2025 15:11 - 25 Mar 2025 15:45

Mesa 7i95T config for workbench tests - to drive H-Bridges + PMDC servos

Category: Configuration Tools

The error is this line:

loadrt hm2_[MESA](BOARD) config=" num_encoders=3 num_pwmgens=3 num_stepgens=0"

Remove it and add the config stanzas to:

loadrt [HM2](DRIVER) board_ip=[HM2](ADDRESS) config="sserial_port_0=00000000 num_encoders=3 num_pwmgens=3"

The 7I95T uses the 7i95 name in hal files so 7i95 hal files will work with 7I95Ts without change.
 
  • tommylight
  • tommylight's Avatar
25 Mar 2025 14:54
Replied by tommylight on topic Problem with Limit switches

Problem with Limit switches

Category: General LinuxCNC Questions

Duplicate topic deleted.
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See the 7i96S manual for inputs, the inputs are isolated from the rest of the board. 7i96S inputs can be used as "switched to ground" or "switched to VCC" so wire them accordingly.
And disconnect the switches from +-5V, normally home/limit switches are powered from VField and usually from 24V as it is better to protect from interference's, but they will also work with 5V.
  • tommylight
  • tommylight's Avatar
25 Mar 2025 14:46

Mesa 7i95T config for workbench tests - to drive H-Bridges + PMDC servos

Category: Configuration Tools

hm2_eth: discovered 7I95T
while
hm2_7i95: dlopen: /usr/lib/linuxcnc/modules/hm2_7i95.so: cannot open shared object file: No such file or directory
Not sure if the entries in the hal file should also be 7i95T, but it seems so, use the "search and replace" feature in the text editor with CTRL+h and replace every 7i95 with 7i95T, save and run again.
  • Evgen
  • Evgen
25 Mar 2025 14:46
Replied by Evgen on topic scurve trajectory planner

scurve trajectory planner

Category: General LinuxCNC Questions

Hello! I try P1. The movement becomes smoother, but still srange. And also srange deaccelerations in traditional tp at moment when movement is smooth and feedrate doesn't change. same programs an non linuxcnc machines works fine. I have such problem on much 3 many years ago. The reason was CPU usage.
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