TBox RM2 Series

Ethernet and Serial Remote I/O

Hardware and Software Models and Solutions

TBox MS Series

Modular RTU / PLC / IoT Appliance

Form Factors: All in One/ Brick

Mounting: DIN Rail

I/O: Various Configurations available - Up to 32 I/O Points

Protocols: Modbus TCP/IP, Modbus RTU

Ports: One (1) Ethernet, One (1) RS485, One (1) RS232 (config only)

Form Factor:  IP68 Rugged Enclosure

I/O:  4 DI, 1 DO, 2 AI (0-5V/4-20mA)

Power:  6-30 VDC - Internal Battery or external supply

             Up to 12 year battery life (depending on usage)

Memory:  Up to 32GB with Industrial SD Card, 

Communications:  2G/3G Cellular Modem

Protocols: HTTP, FTP, Modbus


TBox Family Product Brochures:

TwinSoft Configuration and Programming Software

TConnect Software

Servelec Technologies TBox RTU telemetry systems are designed to leverage easy-to-use web technologies along with inexpensive communications networks. They offer up to 50% less total installed cost per point versus traditional SCADA / PLC systems.

TBox combines the programmable automation of a RTU/PLC with advanced features such as alarm notification, data logging, integral web/FTP server, IP telemetry, and security in a single, ruggedized package. With more than 40 Protocols built in, TBox can integrate into virtually any existing SCADA, DCS System, RTU/PLC/PAC System, or IT Infrastructure


TBox Solutions are utilized in a variety of application solutions for automation, asset management and SCADA applications. From a single point to thousands of points Servelec Technologies TBox offers extremely flexible and cost effective solutions for a variety of industries including Oil & Gas Systems, Electrical G&T Systems, Water and Waste Water systems, Building Controls, and more.

TConnect is cloud-based software that provides a simple and secure remote connection between your TBox Remote Telemetry Unit and your web browser. You can use TConnect from any modern web browser on a PC, MAC, Linux or mobile device such as an iPad or iPhone. TConnect features multi user management as a standard feature and has an RTU groups assignment feature to further ease user administration.

- TBOX RTU/PLC Solutions

TBox LT2 Series

All in One RTU / PLC / IoT Appliance

Form Factor: Modular

Mounting: DIN Rail, Panel, 19" Rack

I/O: Modular - Up to 867 Points per RTU/PLC

Various types and Point Counts

Memory: 16MB Flash, 64MB SDRAM, 1MB SRAM Expandable via SD/MMC Card up to 32GB

Communications: Two (2) Ethernet, 2 Serial (RS232 + RS485) Standard,  Optional USB,  3G/GSM/GPRS Cellular Modems and more.  Expandable Up to 19 Ports per RTU

For more information or to schedule an on site or online demo please contact your local PCD Sales office nearest you.

TwinSoft is the unified programming and configuration tool for all TBox MS, LT2 and TG2 RTU's as well as the legacy LT products.  TwinSoft supports Programmable logic (IEC1131-3 Ladder and BASIC/Structured Text and Function Block Support) and includes WebForm Studio 2 and Report Studio configuration tools.  There are no annual support fees with TwinSoft.  

Form Factor:  All in One / Brick

Mounting:  DIN Rail

I/O: None / Remote Only

Memory: 16MB Flash, 64MB SDRAM, 1MB SRAM Expandable via MicroSD Card up to 32GB

Communications: One (1) Ethernet, One (1) RS232, One (1) RS485, One (1) USB 2.0 Optional 3G Cellular Modem

TBox TG2 Series Gateway

All in One RTU / PLC / IoT Appliance

Form Factor:  All in One / Brick

Mounting:  DIN Rail

 I/O: 16 DI/DO (Point by Point selectable - 3 can be HSC), 8 Analog Inputs, 2 Analog Outputs (Optional)

Memory: 16MB Flash, 64MB SDRAM, 1MB SRAM Expandable via MicroSD Card up to 32GB

Communications: One (1) Ethernet, One (1) RS232, One (1) RS485, One (1) USB 2.0 Optional 3G Cellular Modem

TBox Nano Series 

RTU / Datalogger/  IoT Appliance