Manual 1.7.0
This manual is for WCC Lite software version 1.7.0
1 Overview
This document is intended to act as a user manual and explain WCC Lite usage in detail. It is exp...
2 Hardware and software requirements
In order to get the WCC Liteup and running, a PC/Mac is required, capable of running a web browse...
3 Technical information
System Processor ARM CPU (AR9331, 400MHz) Memory 16 MB Flash/64 MB DDR2 RAM Wire...
4 WCC Lite status indication and control
5 Installing the WCC Lite
5.1 Mounting
To mount the device: Secure the top of the mounting clip onto a DIN rail. Push the bottom of ...
5.2 Power
It is recommended to power WCC Lite from 6W (minimum) 12-24V DC power supply. A full range is 5V ...
5.3 SIM card slot
WCC Lite has an optional Dual-SIM card modem. To access both SIM cards, remove a transparent fron...
5.4 Dual-SIM card slot
WCC Lite has an optional Dual-SIM card modem. To access both SIM cards, remove a transparent fron...
6 Interfaces
WCC lite supports various interfaces to acquire data and control external circuitry. That include...
6.1 Serial port interfaces
WCC Lite WCC Lite has 2 serial ports (Figure 7). Selectable RS485 (by default) or RS232 interface...
6.2 Relay output
WCC Lite integrates 1 signal relay (3-way RO connector) with COM (common), NC (normally closed), ...
6.3 Digital Input
With WCC Lite hardware version 1.4 a digital input functionality has been introduced. Software co...
6.4 GSM
WCC Lite comes with an optional GSM module.There are a few hardware configurations available: ...
6.5 Wi-Fi
For hardware versions older than version 1.3, in case a Wi-Fi connection is needed, connect a Wi-...
7 Tags
Single point Commonly used in storing digital states single point values have only one bit of in...
8 Internal web page
WCC Lite is configured via an internal web browser, so no additional software is required.
8.1 Initial Setup
WCC Lite comes with a static network configuration with its IP set to 192.168.1.1. For initial se...
8.2 Site layout
It provides the main navigation through the website. Contains the following sections: PROTOC...
8.3 Protocol Hub
Protocol HUB section stores configuration for every connected device. You can configure it by imp...
8.4 Status
Overview System System section in the status tab shows basic information about the current stat...
8.5 System
System The system tab includes various properties, configurations, and settings of the system an...
8.6 Services
Services tab shows the services of the device and contains the following subsections: Services...
8.7 Network
The page shows information about current interface status, its configurations, provides various...
8.8 Logout
To log out of the device graphical user interface a logout button in the interface’s upper righ...
9 API
The firmware of the WCC Lite features a builtin API which is accessible via the web interface. A...
10 SNMP
SNMP (Simple Network Management Protocol) is an internetstandard protocol for managing devices o...
11 SMS sender
General SMS sender is a service that lets user configure WCC Lite to send SMS on a set tag trigg...
12 DNP 3.0
12.1 Introduction
DNP3 (Distributed Network Protocol) is a set of communications protocols used between components ...
12.2 DNP 3.0 Master
Default group and variation sets are used to send commands. If slave devices support different gr...
12.3 DNP 3.0 Slave
Default group and variation sets are used to send static and event values. If master devices supp...
13 Modbus
13.1 Introduction
Modbus is a serial communications protocol for use with its programmable logic controllers (PLCs)...
13.2 Modbus Master
Modbus communication contains a single Master and may include more than 1, but not more than 247 ...
13.3 Modbus Slave
WCC Lite can act as one (or several) of slave devices in a communication line. This can be used t...
14 IEC 60870-5-10X
14.1 Introduction
IEC 60870 part 5 is one of the IEC 60870 set of standards which define systems used for telecontr...
14.2 IEC 60870-5-101 Master
The IEC 60870-5-101 protocol is a companion standard for power system monitoring, control assoc...
14.3 IEC 60870-5-101 Slave
Configuring datapoints (slave) To use IEC 60870-5-101 Slave in WCC Lite, it has to be configur...
14.4 IEC 60870-5-103 Master
The IEC 60870-5-103 protocol is a companion standard for the informative interface of protection ...
14.5 IEC 60870-5-104 Master
IEC 60870-5-104 protocol (in short IEC 104) is a part of IEC Telecontrol Equipment and Systems St...
14.6 IEC 60870-5-104 Slave
IEC 60870-5-104 Slave is designed not to lose data acquired from Master protocols. The data that ...
15 IEC 61850
15.1 Introduction
IEC 61850 is an international standard defining communication protocols for intelligent electroni...
15.2 IEC 61850 Server
WCC Lite can act as a IEC 61850 server to serve data to remote SCADA systems. For example, WCC Li...
15.3 IEC 61850 Client
WCC Lite can be used as a master station to collect data from IEC 61850 compatible server devices...
16 Specific protocols
– Aurora (ABB PV inverters protocol) – PowerOne (ABB PV inverters protocol) – SMA Net (SMA PV i...
16.1 At command
Overview At command protocol is used for communications with AT Commands. Configuration At com...
16.10 VBUS
Overview Vbus is a protocol used for communication with solar station automation via serial link...
16.11 VESTAS
Overview Vestas is a protocol used for communication with solar station automation via serial li...
16.12 Windlog
Overview Windlog protocol is used for communications with the Windlog data logger. Configuratio...
16.13 M-Bus
Overview M-Bus or Meter-Bus is a protocol for the remote reading of water, gas, or electricity m...
16.2 Aurora
Overview The Aurora Protocol is a link layer communications protocol for use on pointtopoint...
16.3 COMLYNX
Overview Comlynx protocol is used to communicate with Comlynx inverters over serial communicatio...
16.4 Delta
Overview Delta protocol is used to communicate with Delta inverters over serial communication. ...
16.5 GINLONG
Overview Ginlong protocol is used to communicate with Ginlong inverters over serial communicatio...
16.6 Kaco
Overview This protocol is meant to be used by inverters that convert the DC power generated by t...
16.6 KOSTAL
Overview Kostal protocol is used to communicate with Kostal devices over serial communication. ...
16.7 POWERONE
Overview PowerOne protocol is used to communicate with Aurora inverters over serial communicatio...
16.8 SMA NET
Overview SMA Net can transfer SMA Data, TCP/IP and many more telegrams due to its multiprotocol...
16.9 SOLPLUS
Overview Solplus protocol is used to download inverter data from Solplus inverters using a HTTP ...
17 Metering protocols
- DLMS/COSEM - IEC 62056-21 - MBus Serial/TCP - Elgama (Meters based on IEC 62056-21 / 31 prot...
17.1 DLMS/COSEM
Introduction IEC 62056 is a set of standards for electricity metering data exchange by Internati...
17.2 IEC 62056-21
Introduction IEC 61107 or currently IEC 62056-21, was an international standard for a computer p...
17.3 Elgama
Overview Elgama protocol is used for communications with Elagama elektronika electricity meters....
18 Excel Configuration
Protocol HUB uses the configuration in excel file format. Each sheet represents a specific part o...
18.1 Devices sheet
Devices sheet contains all devices to be configured on the gateway. Each row represents one devic...
18.2 Optional parameters for signals
The signals sheet contains all signals linked to devices. Each signal is defined in a single row....
18.3 Mathematical functions
Signal value might require some recalculation or signal update prior to being sent. Understandabl...
18.4 Uploading configuration
As of WCC Lite version v1.4.0, there are three separate ways to import the configuration: import ...
18.5 Virtual device
General The virtual device is a device that you can use to calculate additional math or keep a c...
19 WCC Lite internal signals
Overview The WCC Lite contains several internal data points for readout and control which can be...
20 Programmable logic controller
A programmable logic controller (PLC) is a digital device adapted for control of processes which ...
20.1 IEC 61499
IEC 61499-1 defines the architecture for distributed systems. In IEC 61499 the cyclic execution m...
20.2 4Diac framework
The PLC functionality in the WCC Lite is implemented using Eclipse 4diac framework, consisting ...
20.3 Example project
The best way to understand basics of 4Diac and WCC Lite collaboration is through an example proje...
20.4 Configuring data endpoints
To use WCC Lite as a programmable logic controller, it needs to be configured in a particular way...
20.5 Debugging an IEC 61499 application
After a project has been built and binded to an existing Excel configuration, a user would normal...
20.6 Generating and uploading FORTE logic file
After the PLC design is finished and debugged, such design can be compiled into FBOOT file and up...
20.7 Distributed control application
IEC 64199 standard introduced requirements for a distributed control. This means that multiple de...
21 Lua script runner
Introduction Lua is a powerful, efficient, lightweight scripting language. It has been used in m...
22 MQTT
Introduction MQTT (short for MQ Telemetry Transport) is an open OASIS and ISO standard (ISO/IEC ...
23 Data Export
General Various protocols are made to transmit data points as they are generated. This is enough...
24 Certificates
Devices that send unencrypted data are susceptible to attacks which might cause deliberate damage...
25 Cyber security
WCC Lite is based on OpenWRT operating system. OpenWrt is described as a Linux distribution for e...