I had reason to change my 3 Phase firmware (number of temp sensors) and decided to download & use the latest version. Unfortunately pulse counting no longer worked for me.
Previously I had been using a sketch from Robert Wall that he had posted in another thread I was in …
emonTx_3Phase_Voltage.zip (14.0 KB)
https://community.openenergymonitor.org/t/direct-connection-emontx-v3-3-phase-to-raspberrypi/3724
It appeared that at the time there were some ‘crossed wires’ between different versions of the sketch. If this is still the case then maybe that explains the pulse counting problem now.
My emonTx and RPi are direct serial connected using 3 jumper wires which maybe a special or infrequent case.
I have reverted to using Robert Wall’s version - the zip file above.