Z920L Wireless RS485 Converter
Designed specifically for the Internet of Things, solar power, and power monitoring, the Z920 L Wireless RS485 Converter completely solves the pain points of cross-building and cross-area wiring, enabling seamless connectivity. Plug and play, fully compatible with existing RS485 architectures, making your monitoring system more flexible and efficient.
Specifications
Z920L Core Functions and Technical Advantages
Highly Efficient Wireless Communication
Sub-1GHz frequency with 10-25 km outdoor range and superior penetration for cross-building applications. Features 27 dBm transmission power and -137 dBm sensitivity for reliable connectivity.
Plug-and-Play Integration
Compatible with Modbus RTU/ASCII protocols for direct data transmission. Seamlessly integrates with existing RS485 devices without system architecture modifications.
Industrial-Grade Reliable Design
Operates in -40°C to +85°C environments for harsh outdoor conditions. Features AES 128/256 encryption with capacity for up to 200 network nodes in large-scale deployments.
Low Power Consumption, High Efficiency
Only 400mA power consumption during transmission with minimal standby current. Supports 12-30VDC input while providing 5VDC/200mA output for sensors.
Traditional Wiring Pain Point Solution
Traditional RS485 Wiring Pain Points
  • Complex wiring across multiple buildings
  • Lengthy installation, high costs
  • Difficult construction and maintenance
  • Slow fault diagnosis and troubleshooting
Z920L Wireless Solution
  • Wire-free architecture
  • Single-day network setup
  • Plug-and-play deployment
  • Quick diagnostics and maintenance
Overcoming WiFi Interference and Unstable Connectivity
Disadvantages of 2.4GHz WiFi
The 2.4GHz band suffers from poor penetration between buildings and high susceptibility to interference. In solar power fields and industrial environments, electromagnetic interference further compromises WiFi stability, causing frequent data transmission failures.
Advantages of Sub-1GHz Frequency
Z920L's Sub-1GHz frequency provides superior building penetration while avoiding 2.4GHz congestion. This lower frequency delivers several times the communication range at equivalent power, ensuring reliable cross-building connectivity.
Improved Anti-interference Capability
Our patented protocol maintains stable connections in complex electromagnetic environments, minimizing data loss. Adjustable transmission frequencies help avoid interference sources, significantly enhancing communication reliability.
Reduce Operating Costs and Simplify System Architecture
Traditional Model: High 4G Connection Costs
Each monitoring point requires dedicated 4G LTE device and SIM card with increasing annual fees. High equipment purchase costs and multiple data streams complicate backend processing.
Z920L Solution: Centralized Data Upload
Creates wireless mesh network with single 4G upload point, cutting communication and equipment costs. All RS485 device data processes through Z920L network for unified uploading.
Cost-Benefit Analysis
Z920L solution for 10 buildings saves 90% on communication costs, reduces equipment expenses, and offers quick ROI. Significantly lowers ongoing maintenance costs.
Broad Application Scenarios and Successful Cases
Solar Power Generation Monitoring
Centrally manage multiple building inverters via Z920L wireless connections, enhancing data reliability. Wirelessly collect data across solar power fields while reducing engineering complexity and maintenance costs.
Industrial Equipment Monitoring
Collect cross-plant machine data with less wiring complexity and risk. Connect PLCs, sensors and control devices into a wireless monitoring network for improved production flexibility.
Smart Building Integration
Deploy wireless systems quickly in old buildings or renovation projects. Integrate HVAC and energy management without damaging existing structures, reducing installation time and costs.
Smart City Infrastructure
Monitor streetlights, air quality, smart meters and other low-power data collection points. Create wide-area wireless sensor networks for cost-effective urban infrastructure monitoring.
Quick Deployment Guide
1
Free Planning Consultation
Share your site location details for complimentary deployment recommendations. These will help you deploy efficiently, cut operating costs, and simplify your system architecture.
2
System Configuration
Devices come pre-configured per your plan or can be customized on-site using configuration software to modify device IDs, communication parameters, and network topology.
3
Hardware Installation
Install Z920L away from metal obstructions, connect RS485 interface and power properly, and position antenna with clear line-of-sight for optimal signal transmission.
4
System Testing
Test communication using the provided tool to verify signal strength and data stability. Adjust device or antenna positioning if needed.
Contact Us, Usher in a New Era of Wireless Communication
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📍 Official Website: https://www.zot.com.tw
📧 Email: [email protected]
🏢 Address: 2F, No. 5, Alley 22, Lane 513, Ruiguang Road, Neihu District, Taipei City
📞 Phone: (02) 26565600