Schneider Modicon M171/M172 Programmable Logic Controller for HVAC and Building Automation
The Modicon M171/M172 series from Schneider Electric is a specialized range of programmable logic controllers engineered specifically for HVAC (Heating, Ventilation, Air Conditioning), refrigeration, and pumping systems. Designed to deliver precise control and energy optimization for building automation applications.
| Parameter | M171 | M172 |
|---|---|---|
| Processor | Entry-level | Enhanced performance |
| Total I/O Points | Up to 14-28 I/O | Up to 42 I/O |
| Digital Inputs | Configurable | 12+ discrete inputs |
| Digital Outputs | Configurable | Solid state relay outputs |
| Analog Inputs | NTC/PT1000/4-20mA/0-10V | Multi-range analog inputs |
| Analog Outputs | 2-4 channels (PWM capable up to 2kHz) | 4+ analog outputs |
| Communication | Modbus RTU/ASCII | Ethernet + Modbus TCP/IP |
| Programming Software | EcoStruxure Machine Expert - HVAC | EcoStruxure Machine Expert - HVAC |
| Display | Blind/Display options | Blind/Display options |
| Mounting | DIN rail / Flush mounting | DIN rail mounting |
| Operating Temperature | -20°C to +60°C | -20°C to +60°C |
| Certifications | CE, UL, IEC 62443 (Cybersecurity) | CE, UL, IEC 62443 (Cybersecurity) |
Advanced Connectivity
- Integrated Ethernet port for seamless BMS integration
- Modbus TCP/IP and BACnet protocol support
- Web server embedded for remote monitoring
- Cloud connectivity ready for EcoStruxure platform
Flexible I/O Configuration
- Multi-range analog inputs supporting temperature sensors (NTC, PT1000, PTC)
- Current/voltage inputs: 0-20mA, 4-20mA, 0-5V, 0-10V
- PWM output capability up to 2kHz for variable speed drives
- Expandable I/O with additional modules
Cybersecurity Built-in
- Compliant with IEC 62443 industrial cybersecurity standard
- Edge device security interface
- Protection against unauthorized access
Commercial Buildings
- Office building HVAC control systems
- Shopping mall climate control
- Hotel room and lobby air conditioning management
- Energy-efficient building automation
Industrial HVAC
- Manufacturing facility ventilation systems
- Clean room environmental control
- Process cooling systems
- Chiller and boiler control
Water & Pumping Systems
- Variable speed pump control
- Water treatment plant automation
- Pressure boosting stations
- Irrigation systems
Refrigeration
- Cold storage warehouse control
- Commercial refrigeration units
- Heat pump systems
- Compressor control and monitoring
Data Centers
- Precision cooling management
- Environmental monitoring
- Redundant cooling system control
✓ Energy Optimization - Reduce HVAC energy consumption by up to 30% through intelligent control algorithms
✓ Easy Integration - Native compatibility with Schneider Electric EcoStruxure Building Operation platform
✓ Scalable Solution - Modular design allows system expansion as your building grows
✓ Remote Access - Built-in web server enables monitoring and control from any device
✓ Proven Reliability - Part of Schneider Electric's trusted Modicon family with global support
- Schneider Electric EcoStruxure Machine Expert - HVAC software
- Modicon TM3 expansion I/O modules
- Altivar variable speed drives
- Andover Continuum building management systems
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