dsPIC MIAC RS485 Communication

[QMESAR]

Hi Team,

Can you please advise me on using the dsPIC MIAC RS485 should I add the 120 Ohm terminator resistor or is this already included in the Hardware.

I did not find any reference in the manual regrading the terminators

Appreciate your input

[LeighM]

Hi,
No, there is no internal termination resistor.
Or pullup/pulldown
Regards
Leigh

[QMESAR]

Hi

Thanks Leigh

[QMESAR]

Hi Leigh

Can you also tell me please if there is TVS diodes on the front end of the Transceiver node to protect the transceiver ,as this MIAC will run in an noisy environment.

Thanks a million

[LeighM]

The transceiver is a SN65HVD10DR which has built in ESD Protection,
but external extra TVS sounds like a good idea in your application

[QMESAR]

Leigh

Thanks now I know how to layout the wiring and connections the internal ESD TVS is not enough for sure