ProtocolByteDecrypt-extra.md

Protocol byte decrypt info for the new data block on newer models:

Topic#	Byte#	Possible Value	Value decrypt	Value Description
TOP	0	71		Header
TOP	1	C8	Data length ( Packet length = Data length + 3 )	Header
TOP	2	01		Header
TOP	3	21	This is 0x21 for new data block	Header
TOP	4	8A
TOP	5	EA
TOP	6	01
TOP	7	00
TOP	8	00
TOP	9	00
TOP	10	00
TOP	11	00
TOP	12	00
TOP	13	00
TOP	14	30	Little-endian uint_16 with next byte	Power usage for heat in Watt
TOP	15	03	Little-endian uint_16 with previous byte	Power usage for heat in Watt
TOP	16	01	Little-endian uint_16 with next byte	Power usage for cool in Watt
TOP	17	00	Little-endian uint_16 with previous byte	Power usage for cool in Watt
TOP	18	01	Little-endian uint_16 with next byte	Power usage for DHW in Watt
TOP	19	00	Little-endian uint_16 with previous byte	Power usage for DHW in Watt
TOP	20	48	Little-endian uint_16 with next byte	Power generated for heat in Watt
TOP	21	07	Little-endian uint_16 with previous byte	Power generated for heat in Watt
TOP	22	01	Little-endian uint_16 with next byte	Power generated for cool in Watt
TOP	23	00	Little-endian uint_16 with previous byte	Power generated for cool in Watt
TOP	24	01	Little-endian uint_16 with next byte	Power generated for DHW in Watt
TOP	25	00	Little-endian uint_16 with previous byte	Power generated for DHW in Watt
TOP	26	01
TOP	27	00
TOP	28	00
TOP	29	00
TOP	30	01
TOP	31	00
TOP	32	00
TOP	33	00
TOP	34	01
TOP	35	00
TOP	36	00
TOP	37	00
TOP	38	01
TOP	39	00
TOP	40	00
TOP	41	00
TOP	42	01
TOP	43	00
TOP	44	01
TOP	45	00
TOP	46	01
TOP	47	00
TOP	48	00
TOP	49	00
TOP	50	00
TOP	51	00
TOP	52	00
TOP	53	00
TOP	54	00
TOP	55	00
TOP	56	00
TOP	57	00
TOP	58	00
TOP	59	00
TOP	60	00
TOP	61	00
TOP	62	00
TOP	63	00
TOP	64	00
TOP	65	00
TOP	66	00
TOP	67	00
TOP	68	00
TOP	69	00
TOP	70	00
TOP	71	00
TOP	72	00
TOP	73	00
TOP	74	00
TOP	75	00
TOP	76	00
TOP	77	00
TOP	78	00
TOP	79	00
TOP	80	00
TOP	81	00
TOP	82	00
TOP	83	00
TOP	84	00
TOP	85	00
TOP	86	00
TOP	87	00
TOP	88	00
TOP	89	00
TOP	90	00
TOP	91	00
TOP	92	00
TOP	93	00
TOP	94	00
TOP	95	00
TOP	96	00
TOP	97	00
TOP	98	00
TOP	99	00
TOP	100	00
TOP	101	00
TOP	102	00
TOP	103	00
TOP	104	00
TOP	105	00
TOP	106	00
TOP	107	00
TOP	108	00
TOP	109	00
TOP	110	00
TOP	111	00
TOP	112	00
TOP	113	00
TOP	114	00
TOP	115	00
TOP	116	00
TOP	117	00
TOP	118	00
TOP	119	00
TOP	120	00
TOP	121	00
TOP	122	00
TOP	123	00
TOP	124	00
TOP	125	00
TOP	126	00
TOP	127	00
TOP	128	00
TOP	129	00
TOP	130	00
TOP	131	00
TOP	132	00
TOP	133	00
TOP	134	00
TOP	135	00
TOP	136	00
TOP	137	00
TOP	138	00
TOP	139	00
TOP	140	00
TOP	141	00
TOP	142	00
TOP	143	00
TOP	144	00
TOP	145	00
TOP	146	00
TOP	147	00
TOP	148	00
TOP	149	00
TOP	150	00
TOP	151	00
TOP	152	00
TOP	153	00
TOP	154	00
TOP	155	00
TOP	156	00
TOP	157	00
TOP	158	00
TOP	159	00
TOP	160	00
TOP	161	00
TOP	162	00
TOP	163	00
TOP	164	00
TOP	165	00
TOP	166	00
TOP	167	00
TOP	168	00
TOP	169	00
TOP	170	00
TOP	171	00
TOP	172	00
TOP	173	00
TOP	174	00
TOP	175	00
TOP	176	00
TOP	177	00
TOP	178	00
TOP	179	00
TOP	180	00
TOP	181	00
TOP	182	00
TOP	183	00
TOP	184	00
TOP	185	00
TOP	186	00
TOP	187	00
TOP	188	00
TOP	189	00
TOP	190	00
TOP	191	00
TOP	192	00
TOP	193	00
TOP	194	00
TOP	195	00
TOP	196	00
TOP	197	00
TOP	198	00
TOP	199	00
TOP	200	00
TOP	201	00
TOP	202	A3

To get decimal values you must convert from hexadecimal and do some calulation depending on value. Panasonic query, answer and commands are using 8-bit Checksum to verify serial data ( sum(all bytes) & 0xFF == 0 ). Last byte is checksum value.

Query Examples:

Panasonic query:

71 6C 01 10 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 12

Panasonic answer example:

71 C8 01 21 8A EA 01 00 00 00 00 00 00 00 30 03 01 00 01 00 48 07 01 00 01 00 01 00 00 00 01 00 00 00 01 00 00 00 01 00 00 00 01 00 01 00 01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 A3