Making it more production ready
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Constantin Pascal
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# RS485 to Ethernet Module - Software Configuration Guide
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## Overview
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This guide covers the essential software configuration of the 2-CH RS485 to Ethernet adapter. Configuration is done via web browser - no software installation required.
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## What You Need to Configure
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**Only two things are critical:**
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1. **IP Address** - Match your network
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2. **Baud Rate** - Set to 19200 (or match your devices)
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All other settings can remain at their defaults.
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## Quick Start
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### Default Module Settings
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- **Channel 1**: `192.168.1.200`
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- **Channel 2**: `192.168.1.201`
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- **Default Port**: `4196`
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- **No password required** (first login)
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### Step 1: Access the Web Interface
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1. Temporarily set your computer's IP to `192.168.1.100` (same network as module)
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2. Open web browser and go to:
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- Channel 1: `http://192.168.1.200`
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- Channel 2: `http://192.168.1.201`
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3. Click "Login" (leave password blank on first access)
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### Step 2: Change IP Address
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**Network Settings section:**
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- **Device IP**: Change to your network (example: `192.168.11.200`)
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- **Subnet Mask**: Usually `255.255.255.0`
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- **Gateway**: Your router IP (example: `192.168.11.1`)
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- Leave other settings as default
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> **Important**: Each channel needs a unique IP! Use sequential IPs like `.200` and `.201`
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### Step 3: Set Baud Rate
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**Serial Settings section:**
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- **Baud Rate**: Set to `19200`
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- Leave other serial settings as default (8 databits, None parity, 1 stopbit)
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### Step 4: Save and Repeat
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1. Click **"Submit Modification"**
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2. Access the module at its new IP address
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3. Repeat Steps 1-4 for Channel 2 with a different IP
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## Configuration Summary
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### Essential Settings to Change
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| Setting | Channel 1 | Channel 2 |
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|---------|-----------|-----------|
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| **Device IP** | `192.168.x.200` | `192.168.x.201` |
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| **Baud Rate** | `19200` | `19200` |
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### Other Settings (Keep Defaults)
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The web interface shows additional settings that can remain at defaults:
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- Work Mode: TCP Server
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- Device Port: 4196
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- IP mode: Static
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- Databits: 8
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- Parity: None
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- Stopbits: 1
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- Flow control: None
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- Advanced Settings: Keep defaults
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- Multi-Host Settings: Keep defaults
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## LED Indicators
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After configuration, check the module's LEDs:
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| LED | Expected Status |
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|-----|----------------|
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| **PWR** | Solid (power on) |
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| **NET** | Blinking (network connected) |
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| **LINK1/2** | On (RS485 connection) |
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| **ACT1/2** | Blinking (data transmission) |
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## Troubleshooting
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### Can't Access Web Interface
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1. Verify your computer is on `192.168.1.x` network
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2. Check Ethernet cable is connected
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3. Ensure module is powered (PWR LED lit)
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4. **Reset if needed**: Hold RESET button for 5 seconds (reverts to `192.168.1.254`)
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### Can't Access After Changing IP
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1. Update your computer's IP to match the new network
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2. Verify gateway and subnet mask are correct
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3. If lost, reset module and start over
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### No RS485 Communication
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1. Verify baud rate is set to `19200`
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2. Check RS485 wiring: A to A (T+), B to B (T-)
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3. Ensure RS485 devices are powered
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## Configuration Checklist
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- [ ] Accessed Channel 1 web interface (`192.168.1.200`)
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- [ ] Changed Channel 1 IP to match my network
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- [ ] Set Channel 1 baud rate to `19200`
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- [ ] Saved and verified Channel 1 settings
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- [ ] Accessed Channel 2 web interface (`192.168.1.201`)
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- [ ] Changed Channel 2 IP to match my network (unique from Channel 1)
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- [ ] Set Channel 2 baud rate to `19200`
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- [ ] Saved and verified Channel 2 settings
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- [ ] Verified LED indicators are working
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## Example Configuration
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Based on network `192.168.11.x`:
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**Channel 1** (`http://192.168.11.200`):
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```
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Device IP: 192.168.11.200
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Baud Rate: 19200
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Subnet Mask: 255.255.255.0
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Gateway: 192.168.11.1
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```
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**Channel 2** (`http://192.168.11.201`):
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```
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Device IP: 192.168.11.201
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Baud Rate: 19200
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Subnet Mask: 255.255.255.0
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Gateway: 192.168.11.1
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```
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---
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**For Additional Help**:
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- **Waveshare Wiki**: https://www.waveshare.com/wiki/2-CH_RS485_TO_ETH_(B)
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- **Support**: Contact us for configuration assistance
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**Last Updated**: January 2026
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