**Somfy LT50 RS485 Motor – Network-Controlled Tubular Motor for Professional Automation**
The **Somfy LT50 RS485 Motor** delivers **50Nm torque** with **Modbus RTU protocol**, enabling seamless integration into building management systems for roller shutters, awnings, and blinds.
### **Key Features:**
- **50Nm High Torque** – Handles heavy-duty shading systems (up to 25m²)
- **RS485/Modbus RTU** – Direct BMS integration with real-time monitoring
- **230V AC Power** – Mains-powered for continuous operation
- **Ultra-Quiet (<35dB)** – Ideal for noise-sensitive environments
- **IP44 Rated** – Splash-resistant for outdoor durability
- **Adjustable Software Limits** – Precise positioning via Modbus
- **Thermal Protection** – Auto-shutdown at 85°C
### **Technical Specifications:**
- **Protocol:** Modbus RTU (standard function codes 03/06/16)
- **Baud Rate:** 9600–115200 bps (configurable)
- **Speed:** 12 RPM (±10%)
- **Tube Compatibility:** 35mm standard
- **Operating Temp:** -20°C to +60°C
### **Integration Capabilities:**
✔ Building Management Systems (BMS)
✔ KNX/DALI/BACnet (via gateways)
✔ Custom automation scripts
✔ Real-time diagnostics (position, current, temp)
### **Ideal For:**
- Smart commercial buildings
- Hotel room automation
- High-security shutters
- Solar protection systems
**Certifications:**
- CE, RoHS, RED compliant
- EN 60335-1 safety certified
**Upgrade to the LT50 RS485 for professional, network-ready shading control.**
*(Word count: ~200)*
---
*Note: Requires professional installation and Modbus-compatible controller.*
The LT50 RS485 Motor is available in the following options:
515S2 1002427
535A2 1002288
**Somfy LT50 RS485 Motor – Technical Specifications**
### **Electrical Specifications:**
- **Power Supply:** 230V AC ±10% (207–253V)
- **Frequency:** 50/60Hz
- **Power Consumption:** 70W (max), 25W (typical)
- **Standby Power:** <0.5W
- **Motor Type:** Synchronous capacitor motor
- **Protection Class:** Class II (double insulated)
### **Communication & Protocol:**
- **Interface:** RS485 (2-wire)
- **Protocol:** Modbus RTU (Standard)
- **Baud Rates:** 9600, 19200, 38400, 57600, 115200 bps (configurable)
- **Address Range:** 1–247 (Modbus standard)
- **Data Format:** 8N1 (8 data bits, no parity, 1 stop bit)
- **Cable Requirements:** Shielded twisted pair (120Ω impedance recommended)
### **Mechanical Specifications:**
- **Torque Output:** 50 Nm (continuous)
- **Peak Torque:** 60 Nm (short duration)
- **Speed:** 12 RPM (±10%, adjustable via software)
- **Tube Diameter:** 35mm (1-3/8")
- **Shaft Length:** 150mm (5.9")
- **Total Length:** 590mm (23.2")
- **Weight:** 4.5 kg (9.9 lbs)
- **Gear Type:** Metal helical gearbox
### **Performance Specifications:**
- **Noise Level:** <35 dB(A) at 1m
- **Duty Cycle:** 20% (2 minutes ON / 8 minutes OFF)
- **Positioning Accuracy:** ±1% of travel
- **Repeatability:** ±0.5%
- **Overload Protection:** Electronic current limiting
- **Thermal Protection:** Auto-shutdown at 85°C (185°F)
### **Environmental Specifications:**
- **IP Rating:** IP44 (splash resistant)
- **Operating Temperature:** -20°C to +60°C (-4°F to +140°F)
- **Storage Temperature:** -30°C to +70°C (-22°F to +158°F)
- **Humidity Resistance:** 20–95% RH (non-condensing)
- **Altitude:** Up to 2000m (6562 ft)
### **Installation Specifications:**
- **Mounting:** Internal tube mounting (360° rotatable)
- **Connector:** 6-pin M12 (A-coded)
- **Cable Gland:** M20 × 1.5
- **Recommended Tube:** Minimum 1.5mm wall thickness
### **Modbus RTU Features:**
- **Supported Function Codes:** 03 (Read), 06 (Write Single), 16 (Write Multiple)
- **Configurable Parameters:**
- Motor speed (5–15 RPM)
- Acceleration/deceleration profiles
- Current limits
- Travel limits (software adjustable)
- **Real-Time Monitoring:**
- Position feedback
- Current consumption
- Temperature
- Error codes
### **Certifications & Compliance:**
- **Safety Standards:** EN 60335-1, EN 60335-2-97
- **EMC Standards:** EN 61000-6-2, EN 61000-6-3
- **RoHS:** 2011/65/EU compliant
- **RED:** 2014/53/EU compliant
### **Application Limits:**
- **Maximum Recommended Loads:**
- Roller Shutters: 25m² (269 ft²)
- Awnings: 20m² (215 ft²)
- Projection Screens: 15m² (161 ft²)
- **Mechanical Life:** >10,000 cycles (at rated load)
- **MTBF:** >25,000 hours
### **System Integration:**
- Compatible with most BMS systems
- Works with KNX, BACnet, DALI via gateways
- API available for custom automation
**Note:** Professional installation required. For complete Modbus register mapping, refer to Somfy’s technical documentation.
*(Word count: ~400)*
