Schaublin 125-CNC retrofit.

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16 Nov 2021 12:22 #226648 by Alexandre
I thought about starting a new topic, but I'm still evaluating if I'm able to retrofit it, so I thought I'd better create the new topic later.  I have some fear of not having enough knowledge to go all the end... 

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17 Nov 2021 22:03 #226794 by andypugh

Installed network-manager okay. But deinstalling WICD failed.

It would, WICD has been expunged from the 2.8.2 ISO. Instead it installs nm_tray which is a GUI that brings in network_manager as a dependency. 

You should see a little icon top right for network control. 

In fact, you might see several. It seems that nm_tray is not entirely bug-free. But it _does_ allow you to hard-code the ethernet port for Mesa and still configure Wifi, which WICD could not do. 
 
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18 Nov 2021 13:52 #226864 by RotarySMP
You are exactly right about that being buggy Andy. First I had no icon, but my Linux Guru helped me open the network manager through a terminal. That got the board communications working. I have seen as many as 5 instances of the icon up in the Top right.
The 7i92 is working and "Show pin" outputs a normal lookin list with the SS interefaces and encoder pins I would expect with the 7i85SX2D bit file. I have thee 7i92 and 7i85 jumpered for the 7i92 to provide power, and get a power on light. Is it normal there are no 7i85 named pins shown? When I connect a SS daughter board to SS0, I only get a red watchdog fail, and no pins.Any ideas what I need to do there?


Alexandre, cool that you have a Schaublin, but that 32 CNC mill has nothing at all in common with the 125-CNC lathe. There is no point discussing it in the middle of this thread where any knowledge gained will get buried. Please create a new thread. To you quaestion "Without this manual is it possible to retrofit?" We believe any machine can be retrofitted with LinuxCNC. If you cant interface to those drives, you will probably need to replace the drives though.

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18 Nov 2021 14:54 #226875 by andypugh

 Is it normal there are no 7i85 named pins shown? 

No, I would expect pins to be created. 

Start LinuxCNC from the command line and see what Mesa devices get enumerated. 

(Also make sure that the 7i85 isn't jumpered to setup mode) 
 
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18 Nov 2021 15:47 #226882 by RotarySMP
Hi Andy,
What do you mean by setup mode? The 7i85 only has:
- W3 (5V external, or from the FPGA Card) I have it jumpered UP for FPGA Power.
- and a bunch of jumpers to select each encoder between TTL and RS-422. I have not touched them, they are all in the default DOWN = RS 422 position.

The 7i92 is jumpered:
-W5 and W6 UP - Breakout power to daughter card.
-W3 Down W4 Up- Fixed IP 10.10.10.10
Mark.

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18 Nov 2021 15:57 #226883 by andypugh
Sorry, I thought that the 7i85 was a smart-serial device. (like the 7i83, 84 and 87)
It is actually a passive interface and so there will _not_ be any pins identifying as 7i85. Instead the encoders / io will all appear as 7i92 pins.
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18 Nov 2021 16:16 #226886 by RotarySMP
Thanks Andy. Any ideas why a 7173 connected to SS0 would only have a steady red LED (Watchdog failure)? I have checked the cable termination is correct with the multimeter. No pins show up. So far I am just working in the terminal with Halrun.
 
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18 Nov 2021 16:30 #226888 by andypugh

Thanks Andy. Any ideas why a 7173 connected to SS0 would only have a steady red LED (Watchdog failure)? 
 

Have you started the realtime thread? Are the 7i92 read and write cycles added to the thread? 
 
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18 Nov 2021 16:42 #226890 by RotarySMP
Thanks Andy, I appreciate your time here.
So far I have just been using:
halrun
loadrt hostmot2
loadrt hm2_eth board_ip=10.10.10.10
show pin


I just looked up my Minilathe HAL, and guess I need the config info.
loadrt hm2_eth board_ip="10.10.10.10" config=" num_encoders=1 num_pwmgens=1 num_stepgens=2 sserial_port_0=00xxxx"
I tried adding the Sserial_port_0=00xxxx to my loadrt eth_hm2 line. Now I have nothing show pins, so that was not the right syntax.
I will be using 3 Sserial ports, is the syntax then sserial_port_0=0000xx?

setp    [HMOT](CARD0).watchdog.timeout_ns 5000000 but it returns "INI Variable 8
but it returns INI_Variable [HMOT](Card0) not found. Should I replace this with "7i92"?

I also tried PNFConf, but there is no config for the 7i92 with 7i85sc2D bitfile.

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18 Nov 2021 17:58 - 18 Nov 2021 17:58 #226898 by andypugh
halrun
loadrt hostmot2
loadrt hm2_eth board_ip=10.10.10.10
show pin

loadrt threads
addf hm2_7i92.0.read thread1
addf hm2_7i92.0.write thread1
start
Last edit: 18 Nov 2021 17:58 by andypugh.
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