You can find this type of codes in Elnet MS log's. For example - "LOG-ts 2019-07-12 13:46:37.406: SITE-ID 003055127E68 || DEV-ID || GW-TS 2019-07-11 09:02:00 || LIVE-LOG-STS LOG || REC-STS ks ACK-STS 07" In this case, 07 is gateway return code; now ...
Elmeasure GW2000 MQTT gateway configuration. 1.Power ON the Gateway Use proper 5V DC power supply for stable operation. Connect Ethernet cable if using LAN mode. 2.Connect RS485 Network Connect all meters in RS485 chain. Check A(+) and B(-) polarity ...