April 29, 20242 yr Hello Everyone! I bought an inverter: PowMr POW-HVM10.2M The inverter has 2 independent MPPTs. It's working fine, but unable to read the QPIGS2 registry. Info from Serial: QMN: VMII-NXPW5KW QVFW: VERFW:00033.03 QVFW2: VERFW2:00000.00 QPIGS: 234.9 50.0 234.9 50.0 0305 0175 002 378 03.30 000 000 0025 01.4 279.1 00.00 00000 10010000 00 00 00394 010 QPIGS2 query: ./inverter_poller -d -r QPIGS2 Mon Apr 29 14:06:04 2024 INVERTER: Debug set Mon Apr 29 14:06:04 2024 INVERTER: Current CRC: 68 2D INVERTER: stop byte detected, buffersize might be 7 for QPIGS2 Mon Apr 29 14:06:05 2024 INVERTER: QPIGS2 reply size (7 bytes) Mon Apr 29 14:06:05 2024 INVERTER: QPIGS2: 7 bytes read: (NAK Mon Apr 29 14:06:05 2024 INVERTER: QPIGS2 query finished Reply: NAK Is there any way to read PV2 data? Firmware mod, etc? Thanks a lot!
May 9, 20242 yr You have the same firmware version as me and you can't read the second mppt. I tried both with the PI30 protocol and also with the MODBUS-RTU protocol but the data is not provided. A friend of mine who has the same inverter but with firmware updated with the MODBUS-RTU protocol with the command: 05 03 04 67 0C 0A 00 66 24 Returns: 5 3 4 index 4563 : PV Voltage 3175 4564 : PV Power 10 4565 : CRC
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