volkszaehler

Configuration and settings of a Raspberry PI installation of a Volkszaehler.

volkszaehler.org

hardware

Device	Type	Link
energy meter	Apator Lepus	http://www.apator.com/de/produkte/strommessung/stromzaehler/neuheiten/lepus
IR Lesekopf	bitShake SmartMeterReader - UART	IR Lesekopf
Raspberry PI 3B+
case	italtronic	https://www.pollin.de/p/italtronic-hutschienengehaeuse-10-0012225-rmb-fuer-raspberry-pi-b-460517?utm_source=google&utm_medium=fshopping&gclid=EAIaIQobChMIpofNxumE-wIVj613Ch0MdQGqEAQYAiABEgJhRPD_BwE

installation

https://wiki.volkszaehler.org/howto/raspberry_pi_image

configuration

https://wiki.volkszaehler.org/software/controller/vzlogger/vzlogger_conf_parameter http://volkszaehler.github.io/vzlogger/

OBIS codes

services

relevant services:

sudo systemctl status vzlogger.service
sudo systemctl status middleware.service
sudo systemctl status mariadb.service
sudo systemctl status apache2.service 
sudo systemctl status push-server.service 

disable services

• middleware.service
• mariadb.service
• apache2.service
• push-server.service

sudo systemctl stop *
sudo systemctl disable *

crontab - automatic daily reboot

sudo crontab -e

enter the following line

00 3 * * * /sbin/shutdown -r now

logrotate

Change log file path in /etc/logrotate/vzlogger to /var/log/vzlogger/vzlogger.log

overlay file system

sudo raspi-config

goto -> Performance Options -> Enable Overlay File System

Energy meter

Python scripts to simulate an energy meter (Carlo Gavazzi EM24 Ethernet).
Type: EM24DINAV23XE1PFB

Manufacturer
Modbus TCP Protocol description

configuration

Configuration: em24_config.csv

setup python venv

copy folder push2modbus to /hom/pi/push2modbus.

create python virtual environment:

sudo apt-get install python3 python3-pip python3-venv
WORKDIR=/home/pi/push2modbus
VENV=.venv
cd ${WORKDIR}
python3 -m venv ${VENV}
source ${VENV}/bin/activate
pip3 install --upgrade pip
pip3 install -r requirements.txt

systemd service

copy service:

cp ./push2modbus.service /etc/systemd/system

enable and restart service:

sudo systemctl enable push2modbus.service
sudo systemctl restart push2modbus.service

check status of service:

sudo systemctl status push2modbus.service