- Novo
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The Dragino RS485-LS is a RS485 / UART to LoRaWAN Converter for Internet of Things solutions. User can connect RS485 or UART sensor to RS485-LS converter, and configure RS485-LS to periodically read sensor data and upload via LoRaWAN network to IoT server.
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The Dragino RS485-LS is a RS485 / UART to LoRaWAN Converter for Internet of Things solutions. User can connect RS485 or UART sensor to RS485-LS converter, and configure RS485-LS to periodically read sensor data and upload via LoRaWAN network to IoT server.
RS485-LS can interface to RS485 sensor, 3.3v/5v UART sensor or interrupt sensor. RS485-LS provides a 3.3v output and a 5v output to power external sensors. Both output voltages are controllable to minimize the total system power consumption.
RS485-LS is IP67 waterproof and powered by solar panel + li-on battery it is designed for long term use for several years.
RS485-LS runs standard LoRaWAN 1.0.3 in Class A. It can reach long transfer range and easy to integrate with LoRaWAN compatible gateway and IoT server.
For data uplink, RS485-LS sends user-defined commands to RS485 devices and gets the return from the RS485 devices. RS485-LS will process these returns data according to user-define rules to get the final payload and upload to LoRaWAN server.
For data downlink, RS485-LS runs in LoRaWAN Class A. When there is downlink commands from LoRaWAN server, RS485-LS will forward the commands from LoRaWAN server to RS485 devices.
RS485-LS Supports BLE configure and wireless OTA update which make user easy to use.
Each RS485-LS pre-load with a set of unique keys for LoRaWAN registration, register these keys to LoRaWAN server and it will auto connect after power on.
Specifications:
Common DC Characteristics:
Supply Voltage: Built-in Battery , 2.5v ~ 3.6v
Operating Temperature: -40 ~ 85°C
I/O Interface:
Battery controllable output (2.6v ~ 3.6v depends on battery)
+5v controllable output
1 x RS485 Interface
1 x UART Interface , 3.3v or 5v
1 x Interrupt or Digital IN/OUT pins
1 x I2C Interface
1 x one wire interface
LoRa Spec:
Frequency Range, Band 1 (HF): 862 ~ 1020 Mhz
Max +22 dBm constant RF output vs.
RX sensitivity: down to -139 dBm.
Excellent blocking immunity
Power Consumption:
Sleep Mode: 5uA @ 3.3v
LoRa Transmit Mode: 125mA @ 20dBm, 82mA @ 14dBm
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