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- Yokogawa
- F3CU04-1S
- Temperature Monitoring Module
- Japan
- 58 × 100 × 106.1 mm
- 0.35 kg
- Xiamen, China
- New & In Stock
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Product Overview
The Yokogawa F3CU04-1S is a temperature monitoring module used in the Yokogawa FA-M3 PLC system. It is designed for multi-channel temperature measurement and monitoring with alarm functions, but it does not perform PID temperature control.
It is mainly used for real-time temperature supervision, alarm detection, and process monitoring in industrial automation systems.
Technical Specifications
| Parameter | Details |
|---|---|
| Manufacturer | Yokogawa |
| Model | F3CU04-1S |
| Product Type | Temperature Monitoring Module |
| System | FA-M3 PLC series |
| Channels | 4 channels |
| Function | Temperature measurement + monitoring + alarms |
| Input Types | Thermocouple / RTD / DC voltage (universal input) |
| Alarm Functions | Multiple alarm types (high, low, deviation, etc.) |
| Output | Alarm output signals (system dependent) |
| Mounting | FA-M3 base unit |
| Dimensions | 58 × 100 × 106.1 mm |
| Weight | 0.35 kg |
Function and Working Principle
The module works by continuously reading temperature signals from field sensors and converting them into digital values for the PLC system.
Its operation includes:
- Receiving thermocouple or RTD inputs
- Converting analog signals into digital temperature values
- Monitoring values against preset alarm limits
- Triggering alarm outputs when limits are exceeded
- Sending data to the FA-M3 CPU for system monitoring
Unlike control modules, it is focused on monitoring and alarm handling only.
Key Features
- 4-channel temperature monitoring
- Universal sensor compatibility (TC / RTD / voltage)
- High-speed sampling and stable measurement
- Multiple alarm detection functions
- Compact FA-M3 modular design
- Reliable industrial operation
Industrial Applications
- Industrial furnace monitoring
- Chemical process supervision
- Machine temperature monitoring
- Power plant auxiliary systems
- Semiconductor equipment monitoring
- General factory automation systems
Role in Industrial Systems
This module is used to:
- Monitor real-time process temperatures
- Detect abnormal temperature conditions
- Trigger alarm signals for safety systems
- Provide temperature data to PLC/DCS systems
It is commonly used in FA-M3 systems where temperature supervision is required without active control.
Installation Notes
- Installed in Yokogawa FA-M3 base units
- Requires correct sensor wiring (TC/RTD selection is critical)
- Proper grounding and shielding recommended
- Configuration is done via FA-M3 engineering tools
- Alarm thresholds must be set during commissioning
Compatible Equipment
- Yokogawa FA-M3 CPU modules
- Yokogawa FA-M3 base units (F3BU series)
- Thermocouples and RTD sensors
- Industrial alarm and monitoring systems
Advantages
- Reliable multi-channel monitoring
- Flexible sensor input support
- Fast alarm response
- Stable industrial performance
- Easy integration into FA-M3 systems
Limitations
- No PID or active temperature control
- Requires proper sensor configuration
- Only compatible with FA-M3 architecture
Conclusion
The Yokogawa F3CU04-1S Temperature Monitoring Module is a reliable FA-M3 module designed for real-time temperature supervision and alarm detection.
It provides stable and accurate monitoring for industrial processes where safety and early fault detection are critical.