Teltonika built the RUT955 to be a secure and reliable mobile router. Now Netcontrol’s NFE software also makes it a very powerful protocol converter. Compact and cost-efficient, it is all that you need to automate a small distribution substation or disconnector/switching station.
The RUT955 uses Teltonika’s RutOS, which is based on OpenWrt, a Linux version for embedded devices. This enables it to run Netcontrol’s powerful Netcon NFE software. As a realtime database program, NFE supports conversions among a wide variety of protocols. The router can thus be connected to RTUs/IEDs using various protocols: it can make them all talk the desired protocol with the control centre or other master station.
The package includes one slave and one master protocol, with 100 I/O points. Additional protocols can be added through license keys. The supported ones include DNP3, IEC-103, IEC-101, IEC-104, Modbus and many more. A full list can be found in the Netcon NFE brochure, M00197-BR-EN.
At its heart, the RUT955 is a highly reliable and secure 4G(LTE)/3G router. Even where protocol conversion is not needed or is handled by Netcontrol’s own hardware, we use it to connect remote secondary substations, disconnector stations and switching stations securely to the SCADA center over public 4G/3G networks.
The RUT955 takes IP data coming in through its three Ethernet interfaces and routes the data over the air. Because public networks are inherently insecure, the RUT955 has a built-in firewall with VPN capability to protect the traffic from external manipulation or eavesdropping. It supports both the common VPN technologies, OpenVPN and IPsec.
The RUT955 supports the use of two SIM cards to enhance availability. The cards are connected to two different operators’ networks. During normal operation, only one SIM is active. If the network connection fails or deteriorates, the traffic will be switched to the other operator’s network.
The RUT955 can operate as a wireless backup for a fixed network connection. If the fixed SCADA connection from the attached RTU fails, the RUT955 can automatically switch the traffic onto the mobile LTE/3G network.
Its compact size, robust metallic chassis and wide temperature range make the RUT955 suited for limited installation spaces and harsh climate conditions.
The RUT955 is easily configured through a browser-based interface.