IFM SN0150 | Flow Monitor Control Unit

Product Overview

The IFM SN0150​ is a DIN rail mounted flow monitor control unit designed for the connection of flow sensors. This industrial-grade controller features integrated flow, temperature, and wire monitoring capabilities with adjustable switching outputs. The unit provides signal output via potential-free relay contacts and includes a clearly visible multi-colour LED bargraph display for real-time monitoring. Designed for harsh industrial environments, the SN0150 offers reliable performance in flow monitoring applications across various industries.

Key Features

• Integrated Monitoring​ - Flow, temperature, and wire monitoring in a single unit

• Adjustable Switching Outputs​ - Configurable outputs for monitoring flow and temperature

• Multi-colour LED Display​ - Clearly visible bargraph display with red/yellow/green indication

• Potential-free Relay Contacts​ - Signal output via relay contacts for flexible integration

• DIN Rail Mounting​ - Easy installation on standard DIN rails

• Robust Construction​ - Designed for industrial environments

Technical Specifications

Electrical Specifications

• Power Supply: 90-240V AC (47-63 Hz)

• Power Consumption: < 4 VA

• Relay Outputs: Potential-free contacts

• Sensor Connection: For flow sensors (VS3000/85...265VAC)

• Sensor Cable Length: Max. 100 m

• Reverse Polarity Protection: Yes

• Short-circuit Protection: Yes

• Protection Class: III

Monitoring Capabilities

• Flow Monitoring: Continuous monitoring of flow rates

• Temperature Monitoring: Integrated temperature monitoring function

• Wire Monitoring: Detection of wire breaks and short circuits

• Adjustable Switch Points: Configurable switching thresholds for flow and temperature

• LED Indication: Multi-colour bargraph display showing flow status

  • Red LED: Flow below switch point

  • Yellow LED: Relay energized, flow at switch point

  • Green LED: Flow above switch point

Display and Indicators

• LED Bargraph Display: Multi-colour (red/yellow/green) for flow status indication

• Red LED (WIRE BREAK/RELAY): Lights in case of wire break or short circuit

• Red LED (TEMP/RELAY): Lights if set temperature is exceeded

• Potentiometer: Adjustable switch point for flow monitoring

• Potentiometer: Adjustable switch point for temperature monitoring

Mechanical Specifications

• Mounting: DIN rail mounting (35 mm)

• Housing Material: Industrial-grade plastic housing

• Connections: Combicon connectors (fitted)

• Dimensions: Standard DIN rail dimensions

• Weight: 0.8 kg

Applications

• Flow Monitoring: Monitoring of liquid and gas flow rates

• Temperature Monitoring: Temperature monitoring in industrial processes

• Wire Monitoring: Detection of wire breaks and short circuits

• Industrial Automation: Integration into automation systems

• Process Control: Control and monitoring of industrial processes

• Equipment Protection: Protection of equipment based on flow and temperature conditions

Installation Requirements

• Power Supply: 90-240V AC, 47-63 Hz

• Mounting: DIN rail (35 mm)

• Sensor Connection: Connect flow sensors (VS3000/85...265VAC)

• Sensor Cable: Max. 100 m length

• Environment: -25°C to 80°C ambient temperature

• Protection: IP67 rating for dust and water protection

Environmental Compliance

• EMC Standards: Compliant with industrial EMC requirements

• Ingress Protection: IP67 (dust tight and protected against immersion)

• Operating Temperature: -25°C to 80°C

• Storage Temperature: -40°C to 100°C

• Certification: RoHS compliant

Maintenance

• Regular Inspection: Check for physical damage and proper operation

• Calibration: Verify switch points periodically for critical applications

• Cleaning: Keep connections clean and free from debris

• Diagnostics: Use LED indicators for troubleshooting