IoT controller and dry contact

Milesight

UC300

IoT controller

Connects existing equipment: fault contacts, readings from pumps, heating systems and machines, also via Modbus.

Digital inputs

opto-isolated, 3–24 V DC, also as a pulse counter

Analogue inputs

2 × 4–20 mA, 2 × 0–10 V

Temperature inputs

2 × PT100 (−200 to +800 °C)

Interfaces

RS232, RS485 (Modbus RTU)

Output

Relay, max. 3 A at 30 V DC or 250 V AC

Power supply

5–24 V DC or USB-C (permanent supply)

Battery life

not applicable, permanent power supply

Mounting

Desk, wall or DIN rail

Technical datasheet (PDF)

Dragino

LHT65N-DC

Dry contact sensor for potential-free contacts

Reports the state of potential-free contacts, such as fault or status signals from equipment, and counts switching operations. With built-in temperature and humidity sensor.

Input

3-wire (VCC, GND, INT) for potential-free contacts

Features

open/closed, counting, opening alarm

Temperature

−40 to +80 °C, ±0.3 °C

Humidity

0–96 % RH, ±3 %

Power supply

built-in battery, 2,400 mAh

Battery life

up to 10 years (depending on transmission interval)

Dimensions

95 × 40 × 28 mm

Technical datasheet (PDF)

Dragino

LT-22222-L

I/O controller

Records digital and analogue signals from existing equipment and can switch via relays.

Digital inputs/outputs

2 inputs, 2 outputs

Relay outputs

2 × 5 A at 250 V AC or 30 V DC

Analogue inputs

2 × 0–20 mA, 2 × 0–30 V

Power supply

external DC voltage up to 24 V

Battery life

not applicable, permanent power supply

Dimensions

145 × 80 × 50 mm

Technical datasheet (PDF)

Dragino

RS485-LB

RS485 and Modbus converter

Reads readings from devices with an RS485 or Modbus interface, for example from meters or controllers.

Interfaces

RS485, UART (3.3/5 V), I²C

Power for external sensors

switchable 3.3 V and 5 V outputs

Power supply

Battery 8,500 mAh (Li-SOCl₂) or solar with rechargeable battery (LS variant)

Battery life

several years (manufacturer's specification, depending on transmission interval and connected devices)

Protection rating

IP67

Operating temperature

−40 to +85 °C

Technical datasheet (PDF)

Technical data according to the manufacturer's datasheet, battery life under the stated conditions. All devices shown transmit via LoRaWAN. In addition to these examples, we also use LoRaWAN devices from other manufacturers depending on requirements.