T-BOX LP300 – Advanced Low-Power RTU

The LP300 is ideal for irrigation and other applications where no power supply is available.

The LP300 RTU and radio (or GSM) are powered with a solar panel and battery for completely unattended remote data acquisition, alarming and local automation. The LP300 is the ideal solution for irrigation and other applications where no power supply is available locally. It provides a versatile method of relaying alarm conditions, status changes, measured data, and remote-control commands over radio transceivers or GSM instead of over wires.

The LP300’s technical specifications are as follows:

• Datalogging, alarming, automation, emails, FTP support
• Low-power RTU
• Optional radio modem (900MHz or 2.4GHz free ISM band with frequency hopping spread spectrum) Standard speed: 9600 bauds (optional: 19200 or 1200 Bds)
• Optional GSM modem
• 8 digital inputs (scanning time: 8 Hz - optional at 32Hz)
• 4 analog inputs 0 to 5Vdc or 0/4-20mA 10 bits with power supply (12 or 24V)
• 16 digital outputs capable of driving 8 solenoids valves in 3 wires mode
• Solar panel input (12V nominal) with low power switching (step down) regulator - Solar panel not included
• Point-to-point or point-to-multipoint operation
• Battery charge (12V nominal) with temperature compensation. Maximum charging current can be programmed at 1A or 0.25A to accept different battery capacity
• Battery 12Vdc 1.3Ah to 6Ah (not included)
• Lithium battery backup for real time clock and RAM
• Analogue measurement of the 12V power supply (battery voltage)
• Ultra-low-power 16 bits processor (7.4 Mips)
• Flash memory inside the processor : 256 kbytes
• Flash memory outside the processor : 512 kbytes
• Static RAM inside the processor : 20 kbytes
• Static RAM outside the processor : 128 kbytes with battery back-up
• Real-time clock (RTC)
• Power consumption : Without the modem and in sleep mode: under 200µA in 12V
• Modbus Protocol, other protocols available on request
• COM1 : RS232 serial port for programming, diagnostic, local communication, up to 115 kbds
• COM2/COM3 : Communication module (radio modem, GSM modem, RS232, RS485)
• Push buttons for Reset, General use (also switch on diagnostic LEDs) and Operator Panel (or LED)
• Optional operator panel 2x40 or 4x20 characters
• Measurement of internal temperature
• Excitation for all digital inputs
• Measurement of battery voltage and current (charging/discharging), solar panel voltage and current, cell voltage, Internal 12V voltage, Digital Ouput capacitor voltage
• LEDs for digital inputs, digital outputs, and communication module
• Enclosure IP66 (EN60529), IK08 (EN50105)
• Wiring of inputs and outputs : wiring screw connectors - cables inserted via sealed glands
• Dimension 255x180x175 (WxHxD). To be fixed by 4 points diameter 4.5mm - Battery to be placed inside the enclosure
• Weight: 800 gr (without battery)
• Operating temperature range: -20°C to +65°C, 15 to 75 % RH without condensation
• Storage conditions : -20°C to +70°C
• Product reference: TBOX LP300