contact@webdyn.com | webdyn.com
V2.05 subject to changes | Webdyn © by Flexitron Group
1. Presentation
1.1 General Description
The WebdynSunPM is a concentrator designed to monitor all types of photovoltaic installation. It is used
to collect, analyse, monitor and control the on site devices.
The collected information (data, parameters, etc.) is formatted before being sent to an Information
System (IS). The concentrator provides the security and condentiality of the exchanged information.
The automation of certain local actions, for example injection or self-consumption is managed using
customisable scripts embedded in the concentrator.
1.2 Principles of Operation
The WebdynSunPM concentrator can be fully integrated into photovoltaic installations. Devices such as
inverters, sensors (pyranometers, temperature sensors, etc.), meters, displays, circuit breakers or relays
can be connected to the concentrator using its many available interfaces. Information readings and
device control are carried out by the WebdynSunPM continuously. The data is regularly formatted and
uploaded to an FTP server and/or sent to an MQTT server using the modem or an Ethernet connection.
The concentrator manages the SFTP and MQTTS protocols to secure exchanges with the servers. The
WebdynSunPM can be congured by simply sending text message commands, but also using the
embedded web pages.
Specic scripts can be created for installations requiring specic functions.
Inverters
Circuit,
breaker, relay
PLC
Ethernet/
4G/3G/2G
Modbus slaves
WebdynSunPM
Meters
Sensors
Electric grid
Server 2
Server 1
User
Inverter protocol
Modbus RTU/TCP
Pulse input
0-10V / 4-20mA
Dry contact
Modbus
Dry contacts, 4-20mA, Modbus,
propietary protocol...
888888
User
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