WCC Lite – mini RTU and gateway


WCC Lite is a single-box device not require any vendor-specific power supply or other components and can work as a standalone device for applications such as protocol converting, mini RTU without I/O’s, datalogger, etc. WCC Lite is ideal for retrofit projects – as its small footprint allows to fit it into any existing cabinet, while its wide variety of supported protocols and possibility for converting them to each other gives a perfect fit. Additional DI and relay output allow to send information to the SCADA system about power outages and indicate errors on cabinet doors or to use as a simple single command.

Due to the integrated modem feature, WCC Lite with the smallest in the market footprint allows to switch from existing cabling or radio infrastructure to mobile connectivity. WCC Lite has an ideal set of features to become a networking router for small sites including routing, firewall, and VPN features. The high bandwidth of Ethernet and 4G allows to integrate of video surveillance traffic or IED’s remote access for configuration, COMTRADE files, and other needs.

WCC Lite can be used as a small RTU in secondary substations, renewable power plants, and other places with the need to collect and deliver data from various field equipment to SCADA, DMS, or CloudIndustries.eu web SCADA platform. To read more about mini RTU with I/O’s click here.

WCC Lite application:

  • Power Grid
  • Renewable energy projects (solar, wind, hydro)
  • Energy storage applications
  • Factory resources supervision
  • Energy sub-metering applications

Integrated WCC Lite protocols:

  • DNP3 master/slave (Serial / TCP)
  • IEC 61850 (client/server)
  • Modbus master/slave (RTU / ASCII / TCP)
  • M-Bus master (Serial / TCP)
  • IEC 60870-5- 101 master/slave
  • IEC 60870-5- 103 master
  • IEC 60870-5- 104 master/slave (KEMA certified)
  • IEC 62056-21 master
  • IEC 62056-31 master
  • Transparent tunnel from TCP to Serial

Compatible with multiple PV inverters (Aurora, ABB, Danfoss ComLynx, Diehl, Delta, Ginlong, Huawai, Kaco, PowerOne, SMA, Sungrow, Solar Edge, Solis, Solax, and many others).


  • Protocol converter from any to any with local event storage.
  • Data logger services with data storage capability in file formats (CSV, JSON) and push to remote servers via HTTP(s) and FTP(s).
  • Industrial grade router with a combination of mobile modem and Ethernet switch.
  • Rule-based Firewall with unlimited possibilities including filtering, limits, SNAT, DNAT, packet marking, and more.
  • Mobile connectivity via integrated 4G LTE, 3G, and 2G modem with dual SIM card support, and auto switching.
  • VPN client and server (IPsec and OpenVPN).
  • Web-based configuration.
  • Integrated scripting engine with advanced capabilities (PLC functionality).
  • Remote Authentication Dial-In User Service (RADIUS)
  • Serial ports 1 x RS485/232; 1 x RS485.
  • Cyber security:
    • IEEE 1686-2007
    • WEB SSL support for configuration
    • Firewall
    • DoS, spoofing prevention
    • ICMP, Multicast, VPN filtering
    • IPSec
    • RADIUS


Device dataDescription
Article numberWCCLite
Product Description WCCLite – mini RTU and gateway
Configuration softwareWCC Excel utility, Putty, Web browser
Warranty2 years
GeneralWCCLite features
FunctionalityFreely scalable RTU with included all supported protocols and functions for utilities, grid and renewables automation solutions.
RTU functionality– Reading Process events from the input/output modules.
– Send commands to the output modules.
– Communication with sub-devices to collect events and execute commands.
– Communicating with control systems and other IOT systems.
– Handling the configuration via WEB Browser and Elseta configuration tools;
– Monitor communication status with sub-devices.
– Sequence-of-Event (SOE).
– Execute user scripts to enable custom automation and regulation algorithms.
– Connectivity: LAN/WAN, Mobile (4G LTE), VPN.
– Firewall (rules-based).
Data exchangeWCCLite can support up to 16 host systems including hot-standby SCADA systems.
Every IEC 60870-5 protocol can have shared or independent buffers of events and support multiple SCADA communications at the same time.
Data collectionWCCLite series supports the collection of data from up to 50 sub-devices, e.g. IEDs, meters, IO’s, and Inverters. Each sub-device connected to WCCLite is supervised and shown status on the diagnostic screen.
PLCWCCLite support:
– distributed PLC-based IEC 61499 standard;
– Script execution engine (recommended) to write own programs based on LUA programming language.
Data storageWCCLite provides an archive of all data on non-volatile flash for events, measurements, counter values, and security events.
Time managementWCCLite provides a multilevel time management solution CPU supports NTP, IEC 60870, and DNP3 time sync multi-sourcing and IOMOD devices have a time sync option with IEC 60870 protocol firmware.
Time sync sourcesMulti-time sync options (priority based):
– Internal RTC clock with battery-based memory up to >15 years of lifetime;
– NTP (Network Time Protocol) over TCP/IP;
– IEC 60870-5 time sync support;
– DNP3 time sync support;
– IEC 61850 time sync support.
Time sync precisionThe time base operates with a time resolution of 1 ms.
Communication interfacesInterfaces for communication with IEDs, Meters, inverters, SCADA systems etc.
Independent Ethernet ports2x 10/100 Mbps 10/100Base-T compliance IEEE 802.3, IEEE 802.3u standards, supports auto MDI/MDIX
Serial ports2x RS485 (Standard ANSI/TIA/EIA-485-A)
Serial ports1x RS232 (Standard EIA/TIA-232-E) Switchable with RS485 port1
Mobile communicationAvailable only with integrated WCCLite version with mobile communication module
Mobile technology support4G (LTE) – Cat 4 up to 150 Mbps, 3G – Up to 42 Mbps, 2G – Up to 236.8 kbps
Dual SIM card support2 SIM cards, auto-switch cases: weak signal, data limit, no network, network denied, data connection fail
Other mobile info Signal strength (RSSI), SINR, RSRP, RSRQ, RSCP, IMSI, ICCID, Signal strength LED indicators, SMS receive/send, APN management.
LED indicationTo indicate traffic on the interface every interface has an independent LED indication on the receive/send packet.
Supported protocolsHost and sub-device communication protocols
IEC 60870IEC 60870-5-101 Master support
IEC 60870-5-101 Slave support
IEC 60870-5-103 Master support

IEC 60870-5-104 Master support
IEC 60870-5-104 Slave support (KEMA Cert.) + IEC 62351 (parts -3) security standard is supported by TLS encryption
DNP3DNP3.0 TCP(LAN/WAN) Master support
DNP3.0 TCP(LAN/WAN) Slave support
DNP3.0 Serial Master support
DNP3.0 Serial Slave support
IEC 62351 (parts 3) security standard is supported by TLS encryption
ModbusModbus RTU Master support
Modbus RTU Slave support
Modbus ASCII Master support
Modbus ASCII Slave support
Modbus TCP Master support
Modbus TCP Slave support
IEC 61850-8-1Client (Master) support of Editions 1, 2, 2.1
– MMS client
– Read services
– Write services
– Static data sets
– Report Control blocks
– Controls
– Discovery
Server (Slave) support of Editions 1, 2, 2.1
– MMS server
– Read services
– Write services
– Static data sets
– Report Control blocks
– Controls
– Discovery
IEC 62351 (parts -3, -4, -5, and -6) security standard is supported for authentication and TLS encryption
Meter protocolsM-bus Master support
DLMS/COSEM master support
IEC 62056-21 master support
IEC 62056-31 master support
Other protocolsMQTT, RESTful API
Cyber securityComply with BDEW white paper, IEC 62351, and general cyber security practices
Secure accessSecure access to all services (HTTPS, SSH)
RBACRole-based access protection with login and password
IEC 62351 by security standards is supported.
User administrationLocal user’s administration with different access levels
Central user administration via RADIUS
Password complexity Fully customizable password policy:
– minimum password length,
– maximum password lifetime,
– usage of lowercase characters,
– upper case characters,
– numeric,
– special characters.
Certificate storage Internal Crypto Store for certificate management
Import of certificates
Power supply
Auxiliary power supply9-33VDC (full range)
Insulation voltage3 kV
Operating conditions
Operating temperature-40°C … 85°C
Storage temperature-40°C … 85°C
Relative humiditymax. 95 % (non condensing)
Protection classIP20
Installation typeDIN Rail mounting
Case height x width x depth119 x 22.5 x 101 mm



WCCLite without modem – WCCLite without modem

WCCLITE 4G/3G/2G – WCC Lite v1.4 with 4G/3G/2G Modem

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