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This document is intended to act as a user manual and explain WCC Lite usage in detail. It is expected the person referring to this manual is experienced in programmable logic controllers (PLC), networking (IPv4, ethernet) and the use of the operating system o...

General Various protocols are made to transmit data points as they are generated. This is enough for a lot of systems (e.g. SCADAs) that have their own databases and devices only have to buffer fairly recent messages in case of connection or transmission erro...

Overview At command protocol is used for communications with AT Commands. Configuration At command parameters for Device tab Parameter Type Description Required Default value (when not specified) Range Min Max name s...

Single point Commonly used in storing digital states single point values have only one bit of information. The value of such tags can be either one or zero. On the internal web of WCC Lite states of this type of tags are shown in colored boxes with customisab...

System Processor ARM CPU (AR9331, 400MHz) Memory 16 MB Flash/64 MB DDR2 RAM Wireless 802.11 b/g/n I/O 1x Binary input (hardware version >=1.4) 1x Relay output Additional storage SD card (2GB by default) SD card (2GB by default) ...

In order to get the WCC Liteup and running, a PC/Mac is required, capable of running a web browser and an MS Excel compatible spreadsheet editor (e.g. LibreOffice or an online spreadsheet editor such as Google Sheets). A built­in or external Ethernet adapter i...

Overview Solplus protocol is used to download inverter data from Solplus inverters using a HTTP client. Configuration Solplus parameters for Device tab Parameter Type Description Required Default value (when not specified) Range ...

Overview Delta protocol is used to communicate with Delta inverters over serial communication. Configuration Delta parameters for Device tab Parameter Type Description Required Default value (when not specified) Range Min Ma...

Devices that send unencrypted data are susceptible to attacks which might cause deliberate damage to the user system. Therefore it is highly advised to use cryptography to secure the sensitive data. WCC Lite offers means to easily store certificates for their ...

Introduction MQTT (short for MQ Telemetry Transport) is an open OASIS and ISO standard (ISO/IEC PRF 20922) lightweight, publish-subscribe network protocol that transports messages between devices. The protocol usually runs over TCP/IP, although its variant, M...

Overview Comlynx protocol is used to communicate with Comlynx inverters over serial communication. Comlynx parameters for Device tab: Parameter Type Description Required Default value (when not specified) Range Min Max ...

Overview The WCC Lite contains several internal data points for readout and control which can be accessed via the Pooler service. Configuration Devices section In the devices section, only the protocol, scan_rate_ms and poll_delay_ms are to be configured f...

Introduction IEC 61107 or currently IEC 62056-21, was an international standard for a computer protocol to read utility meters. It is designed to operate over any media, including the Internet. A meter sends ASCII (in modes A..D) or HDLC (mode E) data to a ne...

Overview Ginlong protocol is used to communicate with Ginlong inverters over serial communication. GINLONG parameters for Device tab: Parameter Type Description Required Default value (when not specified) Range Min Max ...

Overview This protocol is meant to be used by inverters that convert the DC power generated by the photovoltaic (PV) modules into AC power and feed this into the power grid. This protocol handles serial communication parameters (baudrate, databits, stopbits,...

Overview Vestas is a protocol used for communication with solar station automation via serial link. Configuration Vestas parameters for Device tab Parameter Type Description Required Default value (when not specified) Range Min ...

Overview Vbus is a protocol used for communication with solar station automation via serial link. Configuration VBUS parameters for Device tab Parameter Type Description Required Default value (when not specified) Range Min ...

Overview Kostal protocol is used to communicate with Kostal devices over serial communication. Configuration Kostal parameters for Device tab Parameter Type Description Required Default value (when not specified) Range Min M...

Overview PowerOne protocol is used to communicate with Aurora inverters over serial communication. Serial communication parameters (baudrate, parity, etc.) are handled automatically by the protocol. Configuration PowerOne parameters for Device tab Pa...

The firmware of the WCC Lite features a built­in API which is accessible via the web interface. As of version 1.2.11, it does not implement any access restriction features apart from those provided by the firewall functionality. Individual API endpoints can b...