A java library to read data from my Modbus based energy devices.
Home Page: https://energy.basjes.nl/
License: Other
I'm Niels Basjes.
I work as an IT-Architect/Inventor at https://www.bol.com where I design new systems that are usually special on some way when it comes to handling data.
I'm also an avid opensource contributor and you'll find patches of me in lots of Apache "BigData" projects. Committer for Apache Flink and Comitter/PMC for Apache Avro.
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I stopped getting data. After reconnecting the Modbus USB device the logs showed this error.
Should reconnect on this kind of errors.
java.lang.NullPointerException: null
at com.ghgande.j2mod.modbus.net.SerialConnection.getBaudRate(SerialConnection.java:200)
at com.ghgande.j2mod.modbus.io.ModbusSerialTransport.getInterFrameDelay(ModbusSerialTransport.java:625)
at com.ghgande.j2mod.modbus.io.ModbusSerialTransport.waitBetweenFrames(ModbusSerialTransport.java:603)
at com.ghgande.j2mod.modbus.io.ModbusSerialTransaction.execute(ModbusSerialTransaction.java:136)
at com.ghgande.j2mod.modbus.facade.AbstractModbusMaster.readInputRegisters(AbstractModbusMaster.java:209)
at nl.basjes.modbus.ModBusDataReader.read(ModBusDataReader.java:53)
at nl.basjes.modbus.ModBusDataReader.getRawRegisterBytes(ModBusDataReader.java:173)
at nl.basjes.energy.sdm630.SDM630Reader.read(SDM630Reader.java:170)
at nl.basjes.energy.sdm630.SDM630Reader.read(SDM630Reader.java:164)
at nl.basjes.energy.sdm630.FetchSDM630.onTrigger(FetchSDM630.java:335)
at org.apache.nifi.processor.AbstractProcessor.onTrigger(AbstractProcessor.java:27)
at org.apache.nifi.controller.StandardProcessorNode.onTrigger(StandardProcessorNode.java:1165)
at org.apache.nifi.controller.tasks.ConnectableTask.invoke(ConnectableTask.java:203)
at org.apache.nifi.controller.scheduling.TimerDrivenSchedulingAgent$1.run(TimerDrivenSchedulingAgent.java:117)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)```
The Nifi config should allow setting the unitid and baseaddress for SunSpec
I am testing this out on a Fimer PVS inverter. After running the example in the docs I get this error:
The result of getAllModels() :
{1=ModelLocation{id=1, registerBase=40004, len=66}, 103=ModelLocation{id=103, registerBase=40072, len=50}, 120=ModelLocation{id=120, registerBase=40124, len=26}, 121=ModelLocation{id=121, registerBase=40152, len=30}, 122=ModelLocation{id=122, registerBase=40184, len=44}, 123=ModelLocation{id=123, registerBase=40230, len=24}, 126=ModelLocation{id=126, registerBase=40256, len=226}, 127=ModelLocation{id=127, registerBase=40484, len=10}, 129=ModelLocation{id=129, registerBase=40496, len=60}, 130=ModelLocation{id=130, registerBase=40558, len=60}, 132=ModelLocation{id=132, registerBase=40620, len=226}, 135=ModelLocation{id=135, registerBase=40848, len=60}, 136=ModelLocation{id=136, registerBase=40910, len=60}, 139=ModelLocation{id=139, registerBase=40972, len=60}, 140=ModelLocation{id=140, registerBase=41034, len=60}, 145=ModelLocation{id=145, registerBase=41096, len=8}, 160=ModelLocation{id=160, registerBase=41106, len=248}, 65230=ModelLocation{id=65230, registerBase=41356, len=1}, 65232=ModelLocation{id=65232, registerBase=41359, len=20}}
First model register base shows as 40004 but if I use a modbus reader you can see that the first 2 registers are at 40000 and 40001. Id of the first model is at 40003 and length at 40004.
Unless you mean register base to be the length register
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Continued from sunspec/models#44:
I have for some time been developing https://github.com/volkszaehler/mbmd - different language, different goals.
One thing that I see as common denominator is the mapping of specific registers (especially outside of sunspec) to a) their physical meaning and b) the necessary en/decoding. If you which we could join forces and design some kind of meta representation that would allow to create the likes of https://github.com/volkszaehler/mbmd/tree/master/meters/rs485 in a generative way.
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org.sonarsource.scanner.maven:sonar-maven-plugin, org.apache.nifi:nifi-nar-maven-plugin, io.github.git-commit-id:git-commit-id-maven-plugin)docker/centos7/Dockerfile
centos 8
.github/workflows/build.yml
actions/checkout v4.1.7@692973e3d937129bcbf40652eb9f2f61becf3332actions/cache v4.0.2@0c45773b623bea8c8e75f6c82b208c3cf94ea4f9actions/setup-java v4.2.1@99b8673ff64fbf99d8d325f52d9a5bdedb8483e9codecov/codecov-action v4.5.0@e28ff129e5465c2c0dcc6f003fc735cb6ae0c673
devtools/pom.xml
org.apache.maven.plugins:maven-deploy-plugin 3.1.2generate-sunspec-parser/pom.xml
org.antlr:antlr4-runtime 4.12.0commons-io:commons-io 2.16.1commons-lang:commons-lang 2.6org.springframework:spring-core 5.3.37org.antlr:antlr4-maven-plugin 4.12.0org.apache.maven.plugins:maven-deploy-plugin 3.1.2modbus-parsers/pom.xml
com.ghgande:j2mod 3.2.1org.apache.commons:commons-lang3 3.14.0org.codehaus.mojo:exec-maven-plugin 3.3.0org.codehaus.mojo:build-helper-maven-plugin 3.6.0org.apache.maven.plugins:maven-jar-plugin 3.4.2pom.xml
org.slf4j:slf4j-api 2.0.13org.slf4j:slf4j-reload4j 2.0.13org.slf4j:slf4j-api 2.0.13org.apache.logging.log4j:log4j-slf4j2-impl 2.23.1org.apache.logging.log4j:log4j-core 2.23.1org.junit:junit-bom 5.10.3org.apache.maven.plugins:maven-gpg-plugin 3.2.4org.apache.maven.plugins:maven-source-plugin 3.3.1org.apache.maven.plugins:maven-javadoc-plugin 3.7.0org.apache.maven.plugins:maven-deploy-plugin 3.1.2io.github.git-commit-id:git-commit-id-maven-plugin 8.0.2org.apache.maven.plugins:maven-compiler-plugin 3.13.0org.apache.maven.plugins:maven-release-plugin 3.1.0nl.basjes.maven.release:conventional-commits-version-policy 1.0.6io.github.git-commit-id:git-commit-id-maven-plugin 8.0.2org.apache.maven.plugins:maven-enforcer-plugin 3.5.0org.codehaus.mojo:extra-enforcer-rules 1.8.0org.apache.rat:apache-rat-plugin 0.16.1org.apache.maven.plugins:maven-toolchains-plugin 3.2.0org.apache.maven.plugins:maven-checkstyle-plugin 3.4.0com.puppycrawl.tools:checkstyle 10.17.0org.jacoco:jacoco-maven-plugin 0.8.12org.sonarsource.scanner.maven:sonar-maven-plugin 3.11.0.3922org.apache.maven.plugins:maven-clean-plugin 3.4.0org.apache.maven.plugins:maven-compiler-plugin 3.13.0org.apache.maven.plugins:maven-deploy-plugin 3.1.2org.apache.maven.plugins:maven-install-plugin 3.1.2org.apache.maven.plugins:maven-resources-plugin 3.3.1org.apache.maven.plugins:maven-site-plugin 3.12.1org.apache.maven.plugins:maven-surefire-plugin 3.3.0org.apache.maven.plugins:maven-shade-plugin 3.6.0org.apache.maven.plugins:maven-jar-plugin 3.4.2org.apache.maven.plugins:maven-war-plugin 3.4.0org.apache.maven.plugins:maven-assembly-plugin 3.7.1org.apache.nifi:nifi-api 1.26.0org.apache.nifi:nifi-utils 1.26.0org.apache.nifi:nifi-mock 1.26.0org.slf4j:slf4j-api 2.0.13org.slf4j:slf4j-log4j12 2.0.13udfs/nifi/nifi-energy-nar/pom.xml
nl.basjes.energy.nifi:energy-nifi-parent 0.0.2-SNAPSHOTnl.basjes.energy.nifi:nifi-energy-processors 0.0.2-SNAPSHOTorg.codehaus.mojo:buildnumber-maven-plugin 3.2.0org.apache.nifi:nifi-nar-maven-plugin 1.5.1udfs/nifi/nifi-energy-processors/pom.xml
nl.basjes.energy.nifi:energy-nifi-parent 0.0.2-SNAPSHOTudfs/nifi/pom.xml
nl.basjes.energy:energy-udfs-parent 0.0.2-SNAPSHOTudfs/pom.xml
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