Overview
The KEYANS KY501 SmartRTU Industrial Cellular Telemetry Unit is a compact, cost-effective solution for remote monitoring in industrial applications like water treatment, weather stations, and flood alarms. With high-speed 4G LTE or LTE-M/NB-IoT options and a user-friendly config tool, it collects data from sensors and controllers without programming. Its rich I/O and protocols make it ideal for integrating legacy and modern systems.
Key Features
- Multiple I/O: 2x RS232, 1x RS485, 3x ADC, 2x DI, 2x relay outputs, 1x power output, terminal block design.
- Sensor Compatibility: Supports flowmeters, pressure, water quality, and PLCs.
- Cellular Options: Global 4G/3G/2G or LTE CAT M/NB-IoT connectivity.
- Data Protocols: MQTT, Modbus RTU/TCP, TCP/UDP, Modbus to JSON, and custom modes.
- Data Storage: Up to 5 data centers and 16MB local storage.
- Easy Setup: Visible config/debug tool for quick deployment.
- Low Power: Sleep mode, timed data collection, and auto-reporting.
- Remote Management: Via SMS, commands, or KEYANS DMP software.
Applications
- Water Management: Water quality, wastewater, and pump control.
- Environmental Monitoring: Weather stations and air quality.
- Disaster Prevention: Flood disaster alarms.
Why Choose KY501?
The KY501 SmartRTU offers reliable cellular connectivity, flexible I/O, and easy configuration, making it a top choice for cost-effective industrial telemetry.
Technical Specifications
- CPU: Industrial 32-bit MCU
- Memory: 256KB RAM, 512KB Flash, 16MB data storage Flash
- Cellular: 1x 50Ω SMA antenna (2x optional), 1x SIM slot, 15kV ESD protection
- Serial Ports: 2x RS232 (1 debug), 1x RS485, 300bps to 230400bps, 8kV ESD (RS232), 15kV (RS485), 3.5mm terminal block with lock
- I/O:
- Analog Inputs: 3x 16-bit ADC (4-20mA current or 0-5V voltage, optional)
- Digital Inputs: 2x DI (Status "0": 0-3VDC, Status "1": 5-30VDC)
- Relay Outputs: 2x relays (max 5A, 30VDC/250VAC)
- Connector: 3.5mm terminal block with lock
- Power Output: 1x DC output (spec TBD, consult KEYANS)
- Power Supply: 2-pin 3.5mm terminal block, DC 12V/1.5A
- Power Consumption: 40-45mA (data acquisition), 40-60mA (communication) @ 12VDC
- Housing: Metal, 320g (0.71 lbs), 100x100x23mm (3.94x3.94x0.91in)
- Mounting: Desktop, wall mount, or DIN-Rail
- Environmental:
- Operating Temperature: -35°C to +75°C (-31°F to +167°F)
- Storage Temperature: -40°C to +80°C (-40°F to +176°F)
- Humidity: 5% to 95% (non-condensing)
- Additional Features: LED indicators (System, Online, Power, Error), built-in watchdog, ATC, timer
- Warranty: 12 months standard, 2-5 years extended (additional cost)
- Package Includes: KY501 RTU, 12V/1.5A power adapter, cellular antenna, RS232 cable, terminal blocks, wall mount kit
