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  3. Connection Problem With ER300P Meter

Connection problem with ER300P meter

By Abdul-sharoon , 27 May, 2025
Forums
DLMSDirector

Name : ER300P
Manufacturer: Larsen & Toubro Ltd
Interface : HDLC
Authentication : LOW
Password: lnt1
Client address : 0x11
Logical Sever: 0
Physical Server: 1 and 22 both are used.
media : serial
baudrate: 9600.(8N1)

With this GXDLMSDirector settings. meter doesn't respond to AARQ request.
SNRM>UA is ok. Need any change in settings ? please reply as soon as possible

Profile picture for user Kurumi

Kurumi

1 year 3 months ago

Hi, Can you connect without…

Hi,

Can you connect without authentication to your meter? If you can try to change the client address to 0x20.

I believe that you need to use a secure connection. Change secure to AuthenticationEncryption.

BR,
Mikko

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