The LMO-100 is a modem and SCADA-RTU designed for LTE Cat M1 and NB2 applications, supporting LTE 450 MHz networks such as Connect 450 (Germany) and Utility Connect (Netherlands).

In addition to the 450 MHz range (Band 31), the LMO-100 also supports LTE bands 1, 3, 8, 20, 28, and 72.

As a professional all-in-one SCADA telemetry device, the LMO-100 offers router functionality for connecting IP-based devices such as PLCs, smart meters, or data loggers to the LTE 450 network, as well as direct transmission of serial SCADA protocols such as MODBUS/RTU, IEC60870-5-101, DNP3, SINAUT, and many others. It provides two independently usable serial RS-232 interfaces (optional RS-422/485).

Configuration of the LMO-100 is performed entirely via a browser using an integrated web server. Numerous LED indicators on the front panel provide information about operating status, input/output states, interfaces, and the current LTE network signal strength.
The LMO-100 is housed in a robust aluminum extruded profile for DIN rail mounting and operates with the standard automation technology voltage of 12–24 V DC (±20%).

PicoLogo Application Platform

The optional PicoLogo application platform enables the creation of logical circuits using a graphical editor. The application can be loaded into any number of LMO-100 units, allowing the implementation of local control and alarm applications. Point-to-point applications between two LMO-100 units, such as controlling a high-level tank pump, can also be realized via MODBUS blocks.

Integrated RTU Functionality

The LMO-100/DA versions feature integrated binary and analog inputs and outputs. These can be expanded beyond the base device with up to 16 additional PEM-type extension modules. All inputs and outputs are fully galvanically isolated.

The inputs and outputs can be accessed locally and via the LTE network from a control center or SCADA server using standardized SCADA protocols such as MODBUS/RTU, MODBUS/IP, IEC60870-5-101, IEC60870-5-104, and DNP3. This enables remote control applications in smaller and medium-sized stations, such as local network transformer stations, switchgear, water treatment plants, and pumping stations, without the need for an additional PLC or RTU.
Additionally, the inputs and outputs can be queried and controlled via text-based MMI commands sent by SMS from a smartphone. This enables applications such as opening access doors exclusively within the secure, closed LTE network.

With the optional PicoLogo application platform, SMS-based alarms can also be implemented. Freely definable text messages can be sent via SMS to recipients when specific conditions of analog and/or digital inputs are met. This allows critical alarms to be sent directly to an on-call mobile phone, independent of the control system.