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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,...

In order to get the WCC Lite up 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 ...

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...

The firmware of the WCC Lite features a built-­in 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 ...

SNMP (Simple Network Management Protocol) is an internet­ standard protocol for managing devices on IP networks. SNMP exposes management data in the form of a hierarchy of variables in a MIB (Management Information Base). WCC Lite supports SNMP service which ...

General SMS sender is a service that lets user configure WCC Lite to send SMS on a set tag triggers. SMS sender functionality is available since firmware version v1.5.4, of WCC Lite. Configuring SMS sender To configure WCC Lite to use SMS sender user must ...

Default group and variation sets are used to send static and event values. If master devices support different groups and variations, they can be adjusted in Excel configuration. WCC Lite supported variations are provided in Static and Event variations and Com...

Default group and variation sets are used to send commands. If slave devices support different groups and variations, they can be adjusted in Excel configuration. For more information check section Excel configuration. Configuring datapoints To use DNP3 Mast...

DNP3 (Distributed Network Protocol) is a set of communications protocols used between components in process automation systems. Its main use is in utilities such as electric and water companies. It was developed for communications between various types of data...

WCC Lite can act as one (or several) of slave devices in a communication line. This can be used to transmit data to SCADA systems or other RTU devices. It can reply to a messages from Modbus Master with matching device and register addresses. Configuring data...

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...

Modbus communication contains a single Master and may include more than 1, but not more than 247 devices. To gather data from peripheral devices, master device request a cluster of slave devices for data. If any device understand that this message is addressed...

Modbus is a communication protocol for use with its programmable logic controllers (PLCs). Modbus has become a de facto standard communication protocol and is now a commonly available means of connecting industrial electronic devices. It was developed for indu...

WCC Lite can be used as a master station to collect data from IEC 61850 compatible server devices such as protection relays. As relays require fast, secure and responsive interfaces, WCC Lite can be considered as a valid option. For additional security a user ...

WCC Lite can act as a IEC 61850 server to serve data to remote SCADA systems. For example, WCC Lite can be used to acquire data from various protocols (Modbus, IEC 60870-5-103, etc.), this data can be redirected and propagated further to a single or multiple I...

IEC 61850 is an international standard defining communication protocols for intelligent electronic devices at electrical substations. It is a part of the International Electrotechnical Commission’s (IEC) Technical Committee 57 reference architecture for electr...

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 SMA Net can transfer SMA Data, TCP/IP and many more telegrams due to its multi­protocol capability. Thus, it is the preferred telegram frame in case of new developments. Configuration SMA NET parameters for Device tab Parameter Type Descri...

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...

WCC Lite WCC Lite has 2 serial ports (Figure 7). Selectable RS485 (by default) or RS232 interface on PORT1 and RS485 interface on PORT2. Figure 7: WCC Lite ports  WCC Lite RS485 interface supports baud rates up to 115200 and has an integrated 120 terminati...