SCADA DinBox RTU M4: IEC 60870-5-104/Modbus device, now with TLS and basic VPN IPsec security!
The DinBox RTU M4 is a low-cost micro RTU with built-in wide range AC power supply. The power supply comes with a supercap back-up, in order to ensure the required energy to communicate with the SCADA system, even after a mains power supply disconnect. Direct WAN communication is possible thanks to the built-in Sierra Wireless communication module. Everything is managed by a powerful Cortex M4 microcontroller. Finally, the RTU is built into a DIN rail mountable housing.
The DinBox RTU M4 uses IEC 60870-5-104 to communicate as a Slave with the SCADA IEC 60870-5-104 Master system. The DinBox has 8 active digital inputs, which enables monitoring events when a change has been detected. Furthermore, it has 2 digital outputs which can becontrolled via SCADA commands, and 2 analogue inputs to monitor.
Thanks to the modbus RTU-to-IEC104 mapping the DinBox RTU M4 can be used as a gateway to connect other modbus slave IEDs. Also the DinBox RTU M4 has the capacity to be connectecd by (up to) 6 Master SCADA IEC 60870-5-104.
Authentication, integrity and security are provided per application or service running on the RTU by protecting the transport layer of the protocol stack with TLS (Transport Layer Security). Integrating TLS in a non-TLS SCADA setup can be done by installing a TLS Proxy service. This service runs on the trusted network and serves as an endpoint towards the TLS RTU. Also the RTU has an ethernet port which allows LAN or WAN routing.
The DinBox RTU M4 can be remotely managed for mass firmwares (Q4 2020), remote parametrization and 'Plug & Play automatic commissioning (Q4 2020).
Sierra Wireless CF3 HL footprint
HL7692 – FDE band LTE Cat-1 with dual band
SIM card and/or eSIM
50 ohm FME antenna connector
- Interfaces & Connectors
RS-232 non-isolated (used for debugging)
RS-485 / 2-wire galvanically isolated (used for
Ethernet 10/100Mbit/s for WAN/LAN routing
MMC/SD memory card holder
8x DI active 24 Vdc
2x DO optomos 'solid state', 600 Vpeak / 90 mAmax
2x AI 0-5 Vdc, non-isolated, 12-bit single ended ADC
IEC 60870-5-104 (up to 6 Masters can connect to the RTU slave function)
MQTT (Q3 2020)
Authentication and Data Encryption via TLS (Transport Layer Security)
(Limited) VPN IPsec
Local via HTML GUI
Remote via HTML GUI & Telnet commands
- Power Supply
85-264 AC or 9-25V DC
Supercap backup or NiMH rechargeable battery pack
Type: Phoenix Dinrail enclosure
Housing material: Reinforced polyamide fiber
Housing type: DINrail housing side element, two pieces necessary to close base element, 1,5mm thick.
DINrail snapslot for easy DINrail mounting
Dimensions housing: : 172 mm x 35 mm x 135 mm
Ambient temperature (operation) -40°C +105°C
Inflammability class acc. to UL 94: HB
Power dissipation at 20°C in horizontal mounting position: 8.9W 18.3W
- Management tool (Q4 2020)
RTU automatic commissioning: remote activation of RTU's
Remote firmware update
Remote configuration updates of devices in the field such as:
o Modem parameters
o Router settings
o RTU parameters
o Metrology/PQ parameters
Remote RTU 'health monitoring': monitoring of 'real time events' and funcitonality of devices in the field such as:
o Grouping of modems and RTU's...