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Ok, I think I've got what I need for now. If I have anymore questions I'll let you know. Thanks.

Yes, for the led's and OD, there is no command que and you can not send commands faster than 1ms. The I2C is not limited, just the...

Are you implying that the IAH can only handle i2c bus activity that is separated by 1ms or more of dead time? (I.e. less than 1kHz) It...

The microcontroller serve I2C requests on interrupt and update a RAM region. The IO responsible task is scanning that region each...

To follow up here: Have a simple program that writes to each ODO/LED in succession (in a loop) using the Set/Clr commands. I call the...

Alex, The c based megaind command line program is the code I'm referencing while writing my application. I'll give the bit-mapped...

Hi Brian, Thank you for the forum suggestion, we will consider it. The open drain and led can be set in 2 ways: 1) Turn on or off each...

I'd first like to make a suggestion to the moderators: Might you make a new sub forum for each individual product/board such as the IAH...

I am not sure what you mean by "RS485 extenders" but looking at the schematics you can chose the solution.

Hi, The 16Relay card, as you can see from provided schematics, contain jumper only for the RX signal so there is no way to reroute the...

Ah, didn't realize there was a schematic available, awesome, getting positive vibes from this company! Okay I see, I will either go that...

Hi, The 16Relay card, as you can see from provided schematics, contain jumper only for the RX signal so there is no way to reroute the...

If I stack two 16-relay hats can I use the RS485 on both boards? As I understand, the Raspberry PI supports two UARTs, meaning I should...

Your plan seems good. You can install the Pi and two 16-Relay cards on the DIN-Rail, we have two solutions here: parallel or...

Your plan seems good. You can install the Pi and two 16-Relay cards on the DIN-Rail, we have two solutions here: parallel or...