The Open Charge Alliance is a formed industry alliance of EV charging hardware and software vendors, and charging network operators and service providers. OCA’s mission is to foster global development, adoption, and compliance of the Open Charge Point Protocol (OCPP) and related standards through collaboration, education and testing.
Questions tagged [ocpp]
30 questions
3
votes
2 answers
Is this a correct way to parse incoming JSON over websocket, and respond depending on the type of message?
So I am receiving JSON over a websocket from a chargepoint using OCPP 1.6 JSON.
I am trying to parse the message and respond appropriately, depending on what the message is, using Node.js
Here is the message that I recieve:
[ 2,
…

Henry Griffiths
- 35
- 1
- 4
2
votes
1 answer
Hosting 100.000+ web sockets on Azure
I'm a part of building a service controlling Ev Charging Stations. The protocol is called OCPP and the underlying transport protocol is web sockets.
The stations are calling the host and the web socket is then being upheld, both server and client…

NPehrsson
- 1,548
- 18
- 26
2
votes
1 answer
OCPP Python Package Documentation
I'm searching for documentation for the Python ocpp package. I want to program a backend, to interact with a Bender CC612 Charging Controller. I'm able to get a connection, even without errors, but I don't know how to proceed.
Does anyone already…

c0nr3f
- 87
- 7
1
vote
0 answers
OCPP 2.0 How does the central system male a request to the charging station?
The information I inquired is only that the charging station sends a request to the central system. In OCPP v2.0.1, How the central system makes a request to the charging station and how does the charging station respond?
[I am using the below…

pikachill
- 11
- 1
1
vote
0 answers
Heartbeat request to virtual charge station
I'm developing central system sofware for managing EV charging stations in Node.js. I am using ocpp-js library. After creating virtual charging point, i make request as
chargingPoint.heartbeat();
and after this request, virtual charge point send to…

Mustafa Mustafa Neverrun
- 23
- 1
- 6
1
vote
2 answers
OCPP: Charing Station Connection URL
How to connect a charging station to OCPP server?
Can't seem to find any examples or docs about how it obtains a connection URL.

dan070
- 346
- 1
- 4
- 18
0
votes
0 answers
front (Dashboard) and back (Central Service REST Server) end are not communicating
I followed a GitHub project to create an ev-server with dashboard. Everything seems to be working fine but the dashboard does not seems to be able to connect to the back end server (e.g. unable to register account and login on the dashboard…

user22372979
- 1
- 1
0
votes
0 answers
Error when running "npx cdk deploy" [ERROR: failed to solve]
I was following a guide from AWS to build an OCPP-compliant (i.e. https://aws.amazon.com/blogs/iot/building-an-ocpp-compliant-electric-vehicle-charge-point-operator-solution-using-aws-iot-core/) However I received a error after I tried to deploy…

user22372979
- 1
- 1
0
votes
0 answers
Why I'm not being able to connect several simulators to my ocpp server
I'm creating an OCPP server, using the node-ts-ocpp library.
This is the code:
import{ OcppServer, OcppClientConnection, BootNotificationRequest, BootNotificationResponse } from '@extrawest/node-ts-ocpp'
const simpleCentralSystem = new…

Alvaro Dosio
- 40
- 7
0
votes
0 answers
SteVe OCPP Custom Message
I recently started using SteVe to simulate a CPO (Charging Point Operator) backend to interact with my charger and send OCPP messages, since it's completely free and open source. On SteVe there are pre-configured WSS requests, but my charger is…

Mattew
- 13
- 3
0
votes
0 answers
OCPP Charge point authentication authorization
I have set up an OCPP web socket server in .Net Core where all charge point communicates with my OCPP server. And as per OCPP-j 1.6's suggestion initially, all chargers have the same default password, and when they first time communicate with the…

Amature123
- 3
- 2
0
votes
0 answers
how to send request to ocpp1.6 charger using django channel server
I created a django web application and i use django channel to establish connection with ocpp1.6 charger. in consumers.py in receive_json function im receiving chargers requests and sending response successfully,
problem:
i need to send request to…
0
votes
1 answer
How to start remote transection in OCPP server using node js
We have created OCPP server using node js with help of ocpp-rpc and we got web socket connection from OCPP server here is the my sample code
const { RPCServer, createRPCError } = require('ocpp-rpc');
const server = new RPCServer({
protocols:…

Vasu Rangpariya
- 29
- 4
0
votes
2 answers
How can I test all ocpp 1.6 operations?
I developed ev charger. How can I test all ocpp 1.6 operations? Json format only.
I tried different search systems
0
votes
0 answers
How can I test BootNotification JSON message OCPP 1.6
My charger doesn't connect to local provider' Central System. Provider tell that the charger has wrong BootNotification message. How can I test it?
tried: google, provider support