How to connect WM-Bus meter to 2N® SmartCOM PRO (ETH)?
tested with 2N® SmartCOM PRO ETH equipped 868MHz WM-Bus module and WM-Bus meters using WM-Bus T mode.
- Check in which mode your 2N® SmartCOM PRO ETH works. (1 - T1; 3 - S1; 8 - C1; 11 - T1+C)
at^scwmbus?
^SCWMBUS: "MODE",1
- Sniff your meter (if you don´t know SN, VER, DEV), tested 2N® SmartCOM PRO ETH found three WM-Bus meters
at^scwmbus="sniff"
CONNECT
^SCWMBUS: "BMP",14134845,31,08,-1,-70dBm
^SCWMBUS: "BMT",14166346,0A,07,-1,-78dBm
^SCWMBUS: "BMP",15800058,51,08,-1,-72dBm
DISCONNECT
OK
- Add your WM-Bus device to 2N® SmartCOM PRO ETH
at^scwmbus="dev_add","BMT",14166346,0,0A,07 - if 0 is set, all messages received from the meter are stored (minimum interval in seconds between two readings range 0 - 600)
OK
- Check your meter in table
at^scwmbus?
^SCWMBUS: "DECRYPT",0
^SCWMBUS: "MODE",1
^SCWMBUS: "RF_CHANNEL",1
^SCWMBUS: "PREAMBLE_LEN",0
^SCWMBUS: "INSTALL_MODE",0
^SCWMBUS: "MODULE_TYPE","RC1180-MBUS3,2.00,3.14"
^SCWMBUS: "CF_DISCARD",0
^SCWMBUS: "DEV_CNT",1
^SCWMBUS: 1> "BMT",14166346,0,0A,07
OK
- To accept the data just from predefined meters the install mode has to be set to value "0" (^SCWMBUS: "INSTALL_MODE",0)
- Results
at^scdata="get_oldest",2
^SCDATA: "WMBUS",1467636148,17096,-66,20,"44B409466316140A077A950800000C1305000000"
^SCDATA: "WMBUS",1467636181,17097,-66,20,"44B409466316140A077A960800000C1305000000"