So another thought is that since there is a Tx enable in the hm2 module
it's obviously there for a reason. rs485 is always emphasized but rs485 is
mentioned in alot of cases as well. In the case of an 8i20 it includes
jumpers to enable bus termination resistors. So I'm wondering if using the
On Sunday, July 7, 2019 at 2:16:22 PM UTC-4, Charles Steinkuehler wrote:
> There's good info in the data sheet for that part:
> http://www.ti.com/lit/gpn/thvd1451
> ...which is an RS-485 transceiver (RS-485 is the same electrically as
> RS-422, but the driver can be switched off).
> RS-485
On 7/7/2019 12:22 PM, justin White wrote:
> I asked a similar question over on the LCNC forums and PCW confirmed it's
> just straight RS-422. The 7i76 was probably a bad example, the LBP section
> of the manual for the (e) version confirms what you said about it
> communicating with it's own
On Sunday, July 7, 2019 at 5:29:40 AM UTC-4, Michael Brown wrote:
> Seems like all the infrastructure is in place, copy/overwrite the sserial
> tags into your pin custom file and compile the .rbf.
> Looks like it will then auto probe the rs422 connected connected 8i20 on
> hm2 driver load.
On 7/7/2019 4:29 AM, Michael Brown wrote:
> Looking at a 7i76e manual it's differential RS422 while the
> example configs suggest at the FPGA level it's a 2 pin RX/TX deal,
> is that right? One example shows a TX enable pin, but I don't
> think this is implemented on a board like
