trouble shoting "Pin 'hm2_5i25.0.7i76.0.0.input-24' does not exist 4977"

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29 Aug 2021 02:35 #219059 by JJ48_24
I checked all of these things I am nearly sure all of these are correct. Any other ideas?

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29 Aug 2021 02:37 #219060 by JJ48_24
I am not sure exactly what you mean by this. There are multiple plugs?

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29 Aug 2021 02:39 #219062 by PCW
Can you run

sudo mesaflash --device 5i25 --readhmid
and post the results here?

Also how are the 7I76 and 5I25 cable power jumpers set
and do you have 2 yellow LEDS illuminated on the 7I76?

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19 Mar 2022 16:47 - 19 Mar 2022 18:05 #237722 by garrettmin
Diagnostic = Bad Cable @ DB25 to IDC26

7i92 Manual has statement:
the 7I92 can supply up to 1A of 5V power to each of the daughter cards.  If you use this option you must verify that the interface cable does not tie the eight parallel port ground wires together as some cheap printer cables do. Mesa supplied IEEE-1284 cables are the best option

7i92 Manual has the DB25 to IDC26 Pinout: 
DB25
1 & 14
2 & 15
3 & 16
4 & 17

Is this the correct Pinout for Mesa DB25M to IDC26?

Attachments:
Last edit: 19 Mar 2022 18:05 by garrettmin.

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19 Mar 2022 17:00 #237723 by PCW
Yes, a IDC cable HDR26 --> DB25 has the correct pinout.
(with pin 1 --> pin 1 and HDR26 pin 26 unconnected)

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19 Mar 2022 17:55 - 20 Mar 2022 21:40 #237728 by garrettmin
Last edit: 20 Mar 2022 21:40 by garrettmin.

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19 Mar 2022 21:57 - 20 Mar 2022 21:54 #237745 by garrettmin
Last edit: 20 Mar 2022 21:54 by garrettmin.

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19 Mar 2022 22:10 - 19 Mar 2022 22:11 #237749 by PCW
A correctly made IDC cable is all that's required .
(as long as you have IDC-HDR26 pin1 to IDC-DB25 pin one, its correct)

Is field power connected on the 7I76?

Normally you would _not_ connect to VIN but rather connect
to field power (and leave W1 in the left hand position)
Last edit: 19 Mar 2022 22:11 by PCW.

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19 Mar 2022 23:44 - 21 Mar 2022 18:40 #237755 by garrettmin
7i92_7i76x1D.bit

DB25
1 & 14
2 & 15
3 & 16
4 & 17, etc....

This Pinout tested Success for:
Yes 5V Cable Power 7i92 to 7i76

Yes Both Power LED are ON.
CR1 5V Cable Power from 7i92
CR2 24V Field to VIN

Tested Fail for:
Same problem Motors won't turn, Limit Switches fail to compile...
hm2_7i92.0.7i76.0.0.input-oo "does not exist"

Fail yet unknown
although CR1 & CR2 ON & yes 7i92 5V Cable Power @ 7i76D.
Attachments:
Last edit: 21 Mar 2022 18:40 by garrettmin.

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20 Mar 2022 00:17 #237756 by PCW
Again, a correctly made IDC cable is all that's required .
(as long as you have IDC-HDR26 pin1 to IDC-DB25 pin 1, its correct)

A hand soldered cable can certainly be wrong however.

For the 7I76 to work with the 7I92, you need:

1. 7I92 with 7I76 firmware installed (verify with mesaflash --readhmid option)
2. 7I76 connected to primary 7I92 connector (P2) with proper (pin 1 to pin 1, IDC) cable
3. 7I76 has both 5V and field power supplied (and W1 left)
4 7I76 W3 left (operate mode)

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