5i25 + 2 X 7i74

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10 years 4 months ago #75899 by terkaa
5i25 + 2 X 7i74 was created by terkaa
Hi,

I have 5i25 and 2 7i74's connected. The one on port 0 is working ok but the one on port 1 lights only green led enable led does not come on. How do I enable also this port 1 ?

Tero

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10 years 4 months ago #75908 by andypugh
Replied by andypugh on topic 5i25 + 2 X 7i74
What do you get if you type the following in a terminal window? This is a completely default startup with no options:
Code:
halrun loadrt hostmot2 loadrt hm2_pci loadrt threads addf hm2_5i25.0.read thread1 addf hm2_5i25.0.write thread1 start

(You can then do things like "show pin" to see if the pins on the second 7i74 show up, etc.)

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10 years 4 months ago #75909 by terkaa
Replied by terkaa on topic 5i25 + 2 X 7i74
Hi,

I get all io's connected to 7i74 on port 0. But no io's connected to
second 7i74 on port 1.

Tero

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10 years 4 months ago #75910 by andypugh
Replied by andypugh on topic 5i25 + 2 X 7i74
Do you know which firmware is on the 5i25?

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10 years 4 months ago #75916 by PCW
Replied by PCW on topic 5i25 + 2 X 7i74
AFAIK you must specifically enable sserial Port1 in the config line

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10 years 4 months ago #75917 by terkaa
Replied by terkaa on topic 5i25 + 2 X 7i74
Hi,

How do I do that?

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10 years 4 months ago #75919 by andypugh
Replied by andypugh on topic 5i25 + 2 X 7i74

terkaa wrote: Hi,

How do I do that?

Code:
halrun loadrt hostmot2 loadrt hm2_pci cfg="sserial_port_1=00000000" loadrt threads addf hm2_5i25.0.read thread1 addf hm2_5i25.0.write thread1 start

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10 years 4 months ago #75920 by terkaa
Replied by terkaa on topic 5i25 + 2 X 7i74
Ok, I will give it a go tomorrow. This port 1 is dedicated for user panel inputs/outputs with two 7i84's.


Tero

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10 years 4 months ago #75922 by andypugh
Replied by andypugh on topic 5i25 + 2 X 7i74
Look for the text "sserial_port" in this page:
linuxcnc.org/docs/2.7/html/man/man9/hostmot2.9.html

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10 years 4 months ago #76146 by terkaa
Replied by terkaa on topic 5i25 + 2 X 7i74
Ok,

adding sserial_port_1=00000000 worked and 7i70 card connected to second 7i74 now works. But I have 7i84 connected to same 7i74 and it does not work. RS422 and field power leds are on but green activity led does not start blinking. What might cause this?

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