php-victron-cerbogx-modbus-tcp

This is a online information WebUI with rest api based on php showing information from Victron Cerbo GX via Modus TCP

WebUi

index.php

Rest Json

reload_modbus.php

Configuration Victron Cerbo GX

Activate Modbus within the Victron Remote Console.

• Settings -> Services -> Modbus TCP -> Enabled

Configuration PHP

Within the following file you can configure your modbus connection:

• setup_modbus.php

Example Configuration

• url = ip from the Victron Cerbo GX device
• meters information can be found in Victron "CCGX-Modbus-TCP-register-list" Excel-Document

$setup = '
[{
	"name":"Victron",
	"url":"192.168.178.36",
	"protocol":"TCP",
	"meters":[
		{
			"name":"Grid L1",
			"unit_of_measurement":"W",
			"data_type":"int16",
			"unit_id":"100",
			"address":"820",
			"scale":"1"
		},
		{
			"name":"Grid L2",
			"unit_of_measurement":"W",
			"data_type":"int16",
			"unit_id":"100",
			"address":"821",
			"scale":"1"
		},
		{
			"name":"Grid L3",
			"unit_of_measurement":"W",
			"data_type":"int16",
			"unit_id":"100",
			"address":"822",
			"scale":"1"
		},
		{
			"name":"ESS Minimum SoC setpoint",
			"unit_of_measurement":"%",
			"data_type":"uint16",
			"unit_id":"100",
			"address":"2901",
			"scale":"10"
		},
		{
			"name":"Battery state (System)",
			"unit_of_measurement":"(0=idle;1=charging;2=discharging)",
			"data_type":"uint16",
			"unit_id":"100",
			"address":"844",
			"scale":"1"
		},
		{
			"name":"Battery State of Charge (System)",
			"unit_of_measurement":"%",
			"data_type":"uint16",
			"unit_id":"100",
			"address":"843",
			"scale":"1"
		} 
	]
}]';

Example of Victron "CCGX-Modbus-TCP-register-list" documentation file:

Actual Supported "data_type":

- string
- int16
- uint16
- int32
- uint32

Victron Remote Console "unit_id":

Settings -> Services -> Modbus TCP -> Existing Services