7i84U sink/source
- Twitchy88
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13 May 2026 00:02 #346357
by Twitchy88
7i84U sink/source was created by Twitchy88
Hello
Looking for help on where I go to change the 7i84U outputs to sink/source. the manual says I need to change the output parameters, is this done in hal?
Thanks
Looking for help on where I go to change the 7i84U outputs to sink/source. the manual says I need to change the output parameters, is this done in hal?
Thanks
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13 May 2026 01:19 #346360
by PCW
Replied by PCW on topic 7i84U sink/source
Yes, it's done with a setp command in the hal file
I don't have the parameter names in front of me, but you can find
them by running:
halcmd show all | grep source
and
halcmd show all | grep sink
when LinuxCNC is running
I don't have the parameter names in front of me, but you can find
them by running:
halcmd show all | grep source
and
halcmd show all | grep sink
when LinuxCNC is running
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13 May 2026 01:47 #346361
by Twitchy88
Replied by Twitchy88 on topic 7i84U sink/source
So I write setp hm2_7i96s.0.7i84.0.0.output_sink in the hal file?
I really underestimated the complexity of this.
I really underestimated the complexity of this.
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13 May 2026 02:08 #346362
by PCW
Replied by PCW on topic 7i84U sink/source
Yes, for example to set the first 8 outputs ( 0..7 ) to sink mode
and the last 8 outputs ( 8..15 ) to source mode, you would put:
setp hm2_7i96s.0.7i84.0.0.output_sink 0x00FF
setp hm2_7i96s.0.7i84.0.0.output_source 0xFF00
In your hal file
and the last 8 outputs ( 8..15 ) to source mode, you would put:
setp hm2_7i96s.0.7i84.0.0.output_sink 0x00FF
setp hm2_7i96s.0.7i84.0.0.output_source 0xFF00
In your hal file
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13 May 2026 02:30 #346363
by Twitchy88
Replied by Twitchy88 on topic 7i84U sink/source
I think i get it now, but can you double check what you wrote isnt backwards.
From the manual:
"Sinking mode is similarly enabled by setting the corresponding sink bit to ‘1' and source bit to ‘0'
From the manual:
"Sinking mode is similarly enabled by setting the corresponding sink bit to ‘1' and source bit to ‘0'
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13 May 2026 02:38 #346364
by Twitchy88
Replied by Twitchy88 on topic 7i84U sink/source
i want to make them all sinking i think its this?
setp hm2_7i96s.0.7i84.0.0.output_sink 0xffff
setp hm2_7i96s.0.7i84.0.0.output_source 0x0000
setp hm2_7i96s.0.7i84.0.0.output_sink 0xffff
setp hm2_7i96s.0.7i84.0.0.output_source 0x0000
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13 May 2026 02:53 #346365
by PCW
Replied by PCW on topic 7i84U sink/source
Yes
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