Configuring a 7i90HD
15 Aug 2016 22:12 #78812
by billnixon
Configuring a 7i90HD was created by billnixon
I need to interface about 80 i/o lines on a lathe retrofit. We are using a 7i76/7i77 setup. We would like to use two 7i90's for the i/o, in different locations. Since they are shipped with EPP format, do I need to buy a pci parallel port card and cable to flash the 7i90 so I can use it with the 7i77 in RS422 mode?
Can I use two 7i90's with the 7i76/7i77 setup?
Should I buy 2 parallel port cards and use both 7i90's in EPP format?
Thanks for any help?
Bill
Can I use two 7i90's with the 7i76/7i77 setup?
Should I buy 2 parallel port cards and use both 7i90's in EPP format?
Thanks for any help?
Bill
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16 Aug 2016 00:15 - 16 Aug 2016 00:17 #78815
by PCW
Replied by PCW on topic Configuring a 7i90HD
Honestly it is a pain to find a PCI parallel port that supports EPP mode properly
If you want to program a 7I90, its better to program it with a system with a motherboard parallel port
Also if you ask before shipment we can pre-program the 7I92's with a sserial firmware as the primary
configuration (and EPP as secondary for backup)
Note that you can also use a 7I69 or 2 for this task (though its a bit more expensive)
I would not consider using EPP for any significant distance
And yes you can use 2 sserial cards of any type with that configuration (the 7I76 and 7I77 both have a free RS-422 port)
If you want to program a 7I90, its better to program it with a system with a motherboard parallel port
Also if you ask before shipment we can pre-program the 7I92's with a sserial firmware as the primary
configuration (and EPP as secondary for backup)
Note that you can also use a 7I69 or 2 for this task (though its a bit more expensive)
I would not consider using EPP for any significant distance
And yes you can use 2 sserial cards of any type with that configuration (the 7I76 and 7I77 both have a free RS-422 port)
Last edit: 16 Aug 2016 00:17 by PCW.
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16 Aug 2016 02:52 #78821
by billnixon
Replied by billnixon on topic Configuring a 7i90HD
I was going to try to flash a 7i90 with an ubuntu based computer with an onboard parallel port, but the os did not list the port.
I also have an old windows xp machine with an onboard parallel port.
Are there any instructions available for using the windows-based mesaflash.exe? Does it use the same terminal commands? I'm assuming the mesaflash.exe program is terminal-like. Is it worth a try?
I also have an old windows xp machine with an onboard parallel port.
Are there any instructions available for using the windows-based mesaflash.exe? Does it use the same terminal commands? I'm assuming the mesaflash.exe program is terminal-like. Is it worth a try?
The following user(s) said Thank You: PCW
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16 Aug 2016 03:11 #78822
by PCW
Replied by PCW on topic Configuring a 7i90HD
There is no support for 7I90 EPP access via Windows
On the other hand, you should be able to move a Ubuntu or
LinuxCNC hard drive to a machine with a parallel port temporarily
On the other hand, you should be able to move a Ubuntu or
LinuxCNC hard drive to a machine with a parallel port temporarily
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16 Aug 2016 13:46 #78850
by billnixon
Replied by billnixon on topic Configuring a 7i90HD
I do have access to the 7i90 through a linux computer and mesaflash now. Which bit file should I use? I assume a serial one? I'll connect the 7i90's to either a 7i77 or 7i76.
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16 Aug 2016 13:58 - 16 Aug 2016 14:06 #78852
by PCW
Replied by PCW on topic Configuring a 7i90HD
freeby.mesanet.com/7i90_ssremote.bit
(make sure you only program one flash chip with this as EPP in the only easy way to re-program the 7I90)
(make sure you only program one flash chip with this as EPP in the only easy way to re-program the 7I90)
Last edit: 16 Aug 2016 14:06 by PCW.
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16 Aug 2016 14:32 #78860
by billnixon
Replied by billnixon on topic Configuring a 7i90HD
Is this the right command?
sudo mesaflash --device 7I90 --epp --write 7i90_ssremote.bit
Do I cd to the directory where I put the bit file and then run the above command?
sudo mesaflash --device 7I90 --epp --write 7i90_ssremote.bit
Do I cd to the directory where I put the bit file and then run the above command?
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16 Aug 2016 14:56 #78866
by PCW
Replied by PCW on topic Configuring a 7i90HD
Yes, that should work (but you may need to supply a port address)
mesaflash --help
lists the mesaflash command line options
mesaflash --help
lists the mesaflash command line options
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16 Aug 2016 17:04 #78890
by billnixon
Replied by billnixon on topic Configuring a 7i90HD
Thanks, Peter. That worked great. ![:) :)](/media/kunena/emoticons/smile.png)
With the epp connector on the left, are the pins of the connectors, P1-3, numbered from bottom to top, with the "not" pins in the right column of each connector?
Can I specify each pin as either input or output in the hal file?
I really appreciate your help,
Bill
![:) :)](/media/kunena/emoticons/smile.png)
With the epp connector on the left, are the pins of the connectors, P1-3, numbered from bottom to top, with the "not" pins in the right column of each connector?
Can I specify each pin as either input or output in the hal file?
I really appreciate your help,
Bill
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16 Aug 2016 17:10 - 17 Aug 2016 00:32 #78892
by PCW
Replied by PCW on topic Configuring a 7i90HD
P1 through P3 are numbered top to bottom (White square is pin one end)
even pins (row on right) are all ground
All pins are set for open drain I/O and active low so inputs must be written as 0 and a pin written as 1
will be set low (and cannot be used as an input) this is to match I/O module rack conventions
(the pinout matches 24 I/O racks)
even pins (row on right) are all ground
All pins are set for open drain I/O and active low so inputs must be written as 0 and a pin written as 1
will be set low (and cannot be used as an input) this is to match I/O module rack conventions
(the pinout matches 24 I/O racks)
Last edit: 17 Aug 2016 00:32 by PCW.
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