All connected but no data

[yvansandoz]

D1 mini configuration and wiring all good. In HA, the device is recognised and provides 10 entities with data value "unknown".
My meter is a Iskra AM550 and I am in Switzerland.

Where should I start to look for a solution?

[DavyLandman]

You could connect to that esp directly (telnet/netcat to port 23) and see what's coming in. Also, make sure the default baudrate matches your specific smart meter.

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On Sun, 29 Jan 2023, 12:29 Yvan Sandoz, ***@***.***> wrote: D1 mini configuration and wiring all good. In HA, the device is recognised and provides 10 entities with data value "unknown". My meter is a Iskra AM550 and I am in Switzerland. Where should I start to look for a solution? — Reply to this email directly, view it on GitHub <#7>, or unsubscribe <https://github.com/notifications/unsubscribe-auth/AABL3E2FQXMWM7TKI6SWMYLWUZICDANCNFSM6AAAAAAUKGE76E> . You are receiving this because you are subscribed to this thread.Message ID: ***@***.***>

[DavyLandman]

I'm guessing the IP address is not the one assigned to the esp. you wouldn't need to do anything with portforwarding, assuming home assistant is on the same network.

…

On Sun, 29 Jan 2023, 15:27 Yvan Sandoz, ***@***.***> wrote: I reach the limits of my knowledge... I did play with my router to open the port 23, looked for any other possibilities, but I always get: % telnet 192.168.1.133 23 telnet: connect to address 192.168.1.133: Connection refused telnet: Unable to connect to remote host — Reply to this email directly, view it on GitHub <#7 (comment)>, or unsubscribe <https://github.com/notifications/unsubscribe-auth/AABL3E25IAIC6HUSZT4CNWLWUZ463ANCNFSM6AAAAAAUKGE76E> . You are receiving this because you commented.Message ID: ***@***.***>

[yvansandoz]

Here what I am getting now with telnet:

telnet> telnet 192.168.1.127 23
Trying 192.168.1.127...
Connected to p1meter.home.
Escape character is '^]'.
~???#???RG
          ?2	85738216	`1058465	
                                                k	       ]
                                                                       =J	 ??~~???#??	(#	4	&#	*#      ?!	3?!	G??!   F?	
                                       ?	??~~?.?#?f?    ֑??~~???#???RH
                                                                            ?7	85738216	`1058465	
                                                                                                                i  = ?~???#??	&#	4	%#	H	+#	?!	3|?!	G??!   F?	
                                                                                       ?		~~?.?#?f?  ֑??~~???#???RI
                                                                                                                                ?	85738216	`1058465	
                                                                                                                                                                        {	       ]       =J	 mW~~???#??	%#	4	$#	H	)#	?!	3y?!	G??!   F?	
                                                                       ?	g'~~?.?#?f?    ֑??~~???#???RJ
                                                                                                            ?	85738216	`1058465	
~~???#??        $#      4       $#      H       (#                                                                                              ?	       ]       =J	 
?!	3??!	G??!   F?	
                               ?	?~~?.?#?f?     ֑??~~???#???RK
                                                                    ?
	85738216	`1058465	
?~~???#??       %#      4       ##      H	'#     ?!      =3?!     G??!   F?	
                                                                                       ?	
                                                                                                ?~~?.?#?f?     ֑??~~???#???RL
                                                                                                                            ?	85738216	`1058465	
                                                                                                                                                                k	       ]       =J	 ?&~~???#??	##	$#	H	)#	?!	3}?!	G??!   F?	
                                                       ?	??~~?.?#?f?    ֑??~~???#???RM
                                                                                            ?	85738216	`1058465	
                                                                                                                                _	       ]$      =J	 o?~~???#??	"#	4	##	H	'#	?!	3y?!	G??!   F?	
                               ?	?~~?.?#?f?     ֑??~~???#???RN
                                                                    ?	85738216	`1058465	
                                                                                                        o	       ](      =J	 %?~~???#??	##	4	$#	H	)#	?!	3x?!	G??!F?
                                                                                                                                                                                                                    ???~~?.?#?f?     ֑??~~???#???RO
                            ?	85738216	`1058465	
                                                                f	       ],      =J	 ?l~~???#??	$#	4	$#	H	)#     ?!	3??!	G??!   F?	
                                                                                                                                                                                       ?	Q?~~?.?#?f?    ֑??~^C^C

[DavyLandman]

That doesn't look good. I have some code in the repo to try out different baud rates, but not sure if that would help. This is not my area of expertise.

…

On Tue, 28 Feb 2023, 19:05 Yvan Sandoz, ***@***.***> wrote: Here what I am getting now with telnet: telnet> telnet 192.168.1.127 23 Trying 192.168.1.127... Connected to p1meter.home. Escape character is '^]'. ???#???RG ?2 85738216 1058465 k ] =J ??~~???#?? (# 4 &# *# ?! 3?! G??! F? ? ??~~?.?#?f? ֑??~~???#???RH ?7 85738216 1058465 i = ????#?? &# 4 %# H +# ?! 3|?! G??! F? ? ?.?#?f? ֑?????#???RI ? 85738216 1058465 { ] =J mW~~???#?? %# 4 $# H )# ?! 3y?! G??! F? ? g'~~?.?#?f? ֑??~~???#???RJ ? 85738216 1058465 ???#?? $# 4 $# H (# ? ] =J ?! 3??! G??! F? ? ??.?#?f? ֑?????#???RK ? 85738216 1058465 ?~~???#?? %# 4 ## H '# ?! =3?! G??! F? ? ?~~?.?#?f? ֑??~~???#???RL ? 85738216 1058465 k ] =J ?&???#?? ## $# H )# ?! 3}?! G??! F? ? ???.?#?f? ֑?????#???RM ? 85738216 1058465 _ ]$ =J o?~~???#?? "# 4 ## H '# ?! 3y?! G??! F? ? ?~~?.?#?f? ֑??~~???#???RN ? 85738216 1058465 o ]( =J %????#?? ## 4 $# H )# ?! 3x?! G??!F? ????.?#?f? ֑?????#???RO ? 85738216 `1058465 f ], =J ?l???#?? $# 4 $# H )# ?! 3??! G??! F? ? Q?~~?.?#?f? ֑??~^C^C — Reply to this email directly, view it on GitHub <#7 (comment)>, or unsubscribe <https://github.com/notifications/unsubscribe-auth/AABL3E7RWJFKOXHLTARDEMLWZY47JANCNFSM6AAAAAAUKGE76E> . You are receiving this because you commented.Message ID: ***@***.***>

[yvansandoz]

Those are the parameters of my Iskra AM550:

General characteristics

• Connector: RJ12 on the upper right side of the meter, labeled "P1 interface
• Interface: according to P1 DSMR V5.0
• Protocol: DLMS/COSEM
• Payload length per frame: 154 bytes
  Configuration of the counter interface
• 115200bds
• 8 bits
• No parity
• 1 stop bit
  Data transmitted in DLMS
  The data are transmitted by Push mode every 5 seconds.

[DavyLandman]

Things you could try:

• Replacing the 10k Ohm resistor with either 1k or 3.3k
• change SERIAL_BITS to SERIAL_7N1 and see if that works?

otherwise: no idea, I've looked at posts on the internet, more people have been able to read that AM550 P1 port without problems.