Alternatives to 7i76

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20 Nov 2021 22:08 #227129 by cadpete
Replied by cadpete on topic Alternatives to 7i76
Tommy and Clive,. I have checked both of those already and both no stock. :(
The following user(s) said Thank You: tommylight

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20 Nov 2021 22:14 #227130 by tommylight
Replied by tommylight on topic Alternatives to 7i76
Eusurplus has 7i76ED in stock, should have sinking outputs, but i am not sure.

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20 Nov 2021 22:22 #227131 by cadpete
Replied by cadpete on topic Alternatives to 7i76
Great find Tommy. Was looking for the E version not ED. What would I need to change to use ED? Sorry for the newbie question but the design / help all generally seem to be for the E version

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20 Nov 2021 22:43 #227132 by tommylight
Replied by tommylight on topic Alternatives to 7i76
48 points of isolated field I/O are provided for general control use including limit
switch and control panel inputs, coolant enable and tool changer control outputs.  Isolated
I/O includes 32 sinking inputs and 16 sourcing (7I76E) or sinking (7I76ED) outputs. Inputs
can  sense  5V  to  32V  signals  and  the  outputs  can  switch  5V  through  32V  signals.
Maximum output load is 350 mA. Outputs are short circuit protected.
It has sinking outputs instead of sourcing ones on 7i76E.
sourcing outputs = the outputs provide +VCC when on, so the relays/solenoids/LED's have a common ground and the Mesa outputs provide the positive voltage when turned on.
sinking outputs = the outputs sink to ground level when on, so the relays/solenoids/LED's have a common +VCC (12 or 24V positive) and the mesa outputs provide GND/ground/0V when on.
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20 Nov 2021 22:47 #227133 by tommylight
Replied by tommylight on topic Alternatives to 7i76
Note to self: do not edit long posts ! :)
Here is a video that explains it much better than i do, just ignore the PLC parts and skip to 45 seconds.
The following user(s) said Thank You: Clive S, cadpete

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26 Nov 2021 22:59 #227703 by cadpete
Replied by cadpete on topic Alternatives to 7i76
Thanks for the help. JT has let me know new stock is in so ordered 7i76e this morning. (4am)

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22 Jun 2022 16:13 #245604 by deus
Replied by deus on topic Alternatives to 7i76
Hi


I am currently also looking for a MESA 7i76e. So if anybody has any hints where to get one that would be greatly appreciated.

@cadpete - Who did you mean by JT? I am also from Perth, Australia. ;)

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23 Jun 2022 22:46 #245735 by andypugh
Replied by andypugh on topic Alternatives to 7i76
JT = mesaus.com

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