7I92M/7I77 linuxcnc Startup Error?
25 May 2019 19:06 - 25 May 2019 19:08 #134915
by CNCDoc
Ping
bytes from 10.10.10.10: icmp_req=31 ttl=64 time=0.107 ms
64 bytes from 10.10.10.10: icmp_req=32 ttl=64 time=0.106 ms
64 bytes from 10.10.10.10: icmp_req=33 ttl=64 time=0.110 ms
64 bytes from 10.10.10.10: icmp_req=34 ttl=64 time=0.105 ms
64 bytes from 10.10.10.10: icmp_req=35 ttl=64 time=0.107 ms
64 bytes from 10.10.10.10: icmp_req=36 ttl=64 time=0.107 ms
64 bytes from 10.10.10.10: icmp_req=37 ttl=64 time=0.098 ms
64 bytes from 10.10.10.10: icmp_req=38 ttl=64 time=0.107 ms
64 bytes from 10.10.10.10: icmp_req=39 ttl=64 time=0.108 ms
64 bytes from 10.10.10.10: icmp_req=40 ttl=64 time=0.112 ms
64 bytes from 10.10.10.10: icmp_req=41 ttl=64 time=0.108 ms
64 bytes from 10.10.10.10: icmp_req=42 ttl=64 time=0.106 ms
64 bytes from 10.10.10.10: icmp_req=43 ttl=64 time=0.104 ms
64 bytes from 10.10.10.10: icmp_req=44 ttl=64 time=0.105 ms
64 bytes from 10.10.10.10: icmp_req=45 ttl=64 time=0.106 ms
64 bytes from 10.10.10.10: icmp_req=46 ttl=64 time=0.101 ms
64 bytes from 10.10.10.10: icmp_req=47 ttl=64 time=0.103 ms
64 bytes from 10.10.10.10: icmp_req=48 ttl=64 time=0.103 ms
Replied by CNCDoc on topic 7I92M/7I77 linuxcnc Startup Error?
Ping
bytes from 10.10.10.10: icmp_req=31 ttl=64 time=0.107 ms
64 bytes from 10.10.10.10: icmp_req=32 ttl=64 time=0.106 ms
64 bytes from 10.10.10.10: icmp_req=33 ttl=64 time=0.110 ms
64 bytes from 10.10.10.10: icmp_req=34 ttl=64 time=0.105 ms
64 bytes from 10.10.10.10: icmp_req=35 ttl=64 time=0.107 ms
64 bytes from 10.10.10.10: icmp_req=36 ttl=64 time=0.107 ms
64 bytes from 10.10.10.10: icmp_req=37 ttl=64 time=0.098 ms
64 bytes from 10.10.10.10: icmp_req=38 ttl=64 time=0.107 ms
64 bytes from 10.10.10.10: icmp_req=39 ttl=64 time=0.108 ms
64 bytes from 10.10.10.10: icmp_req=40 ttl=64 time=0.112 ms
64 bytes from 10.10.10.10: icmp_req=41 ttl=64 time=0.108 ms
64 bytes from 10.10.10.10: icmp_req=42 ttl=64 time=0.106 ms
64 bytes from 10.10.10.10: icmp_req=43 ttl=64 time=0.104 ms
64 bytes from 10.10.10.10: icmp_req=44 ttl=64 time=0.105 ms
64 bytes from 10.10.10.10: icmp_req=45 ttl=64 time=0.106 ms
64 bytes from 10.10.10.10: icmp_req=46 ttl=64 time=0.101 ms
64 bytes from 10.10.10.10: icmp_req=47 ttl=64 time=0.103 ms
64 bytes from 10.10.10.10: icmp_req=48 ttl=64 time=0.103 ms
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Last edit: 25 May 2019 19:08 by CNCDoc.
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25 May 2019 19:13 #134916
by PCW
Replied by PCW on topic 7I92M/7I77 linuxcnc Startup Error?
And servo thread period?
The following user(s) said Thank You: CNCDoc
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25 May 2019 19:19 #134917
by CNCDoc
Replied by CNCDoc on topic 7I92M/7I77 linuxcnc Startup Error?
50000
changes to 1000000
Now it works!
Thanks
changes to 1000000
Now it works!
Thanks
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25 May 2019 19:53 #134923
by PCW
Replied by PCW on topic 7I92M/7I77 linuxcnc Startup Error?
Yeah, 50 us is not going to work for a servo thread on almost any hardware
The default servo thread period is 1 ms =1000000 ns
There's usually not much to gain with faster servo thread unless:
1. You have extremely quick acceleration (> 1G for laser plotter etc)
2. You have torque mode drives so the velocity loop must be implemented in
LinuxCNC
3. You have requirement of very high speed and combined high accuracy
The default servo thread period is 1 ms =1000000 ns
There's usually not much to gain with faster servo thread unless:
1. You have extremely quick acceleration (> 1G for laser plotter etc)
2. You have torque mode drives so the velocity loop must be implemented in
LinuxCNC
3. You have requirement of very high speed and combined high accuracy
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