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- Yokogawa
- F3XC08-0C
- No Voltage Contact Input Module
- Japan
- 28.9 × 100 × 112.2 mm
- 0.17 kg
- Xiamen, China
- New & In Stock
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All our products are priced very favorably because we have our own warehouse and supply.
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Product Overview
The Yokogawa F3XC08-0C is an 8-point No-Voltage Contact Input Module designed for the FA-M3 PLC Series. It accepts dry contact (volt-free) input signals from field devices such as push buttons, selector switches, relay contacts, and limit switches, converting these signals into digital data for PLC processing.
Featuring independent commons for each input channel, transformer isolation, configurable response times, and input interrupt capability, the F3XC08-0C is ideal for high-reliability industrial control applications where electrical isolation and fast signal acquisition are essential.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Yokogawa |
| Model | F3XC08-0C |
| Product Type | No-Voltage Contact Input Module |
| PLC Platform | FA-M3 Series |
| Input Type | Dry Contact (Volt-Free Contact) |
| Number of Input Channels | 8 Points |
| Common Configuration | Independent Common for Each Input |
| Isolation Method | Transformer Isolation |
| Contact Open Voltage | 5–7 V DC |
| Contact Closed Current | 1–3 mA |
| Maximum ON Resistance | 200 Ω |
| Minimum OFF Resistance | 100 kΩ |
| Response Time | Selectable: 0 μs, 62.5 μs, 250 μs, 1 ms, or 16 ms |
| Interrupt Function | Configurable for Each Input Channel |
| Simultaneous ON Rate | 100% |
| External Connection | 18-Point Terminal Block (M3.5 Screw Terminals) |
| Backplane Power Consumption | 75 mA (5 V DC) |
| LED Indicators | Individual Input Status LEDs |
| Mounting Method | FA-M3 Base Unit |
| Dimensions | 28.9 × 100 × 112.2 mm |
| Weight | 0.17 kg |
Function and Working Principle
The F3XC08-0C monitors the ON/OFF status of dry-contact field devices and transfers the signal status to the FA-M3 PLC CPU.
Each input channel has an independent common terminal, providing excellent electrical isolation and minimizing interference between circuits. When a contact closes, the module detects the change and transmits the corresponding digital signal to the PLC. Configurable response times and interrupt functions allow rapid detection of critical events.
Operating Sequence
- Monitor dry-contact field devices.
- Detect contact opening or closing.
- Convert contact status into digital input signals.
- Transfer input data to the PLC CPU.
- Execute the user control program.
- Repeat monitoring continuously.
Dry Contact→Input Module→PLC CPUDry\;Contact\rightarrow Input\;Module\rightarrow PLC\;CPU
Key Features
- 8 independent no-voltage contact inputs
- Independent common wiring for each input channel
- Transformer isolation for improved electrical protection
- Configurable high-speed response times
- Input interrupt capability for each channel
- LED indicators for input status monitoring
- Reliable dry-contact signal detection
- Compact module for FA-M3 PLC systems
- High immunity to electrical noise
System Role
The F3XC08-0C serves as the interface between dry-contact field devices and the FA-M3 PLC controller.
Typical Control Architecture
Push Buttons / Limit Switches / Relay Contacts → F3XC08-0C Input Module → PLC CPU → Output Modules → Motors, Relays, Solenoid Valves
The module ensures reliable acquisition of digital contact signals for machine and process control.
Industrial Applications
The F3XC08-0C is suitable for numerous industrial automation applications, including:
- Factory automation
- Machine control systems
- Packaging machinery
- Conveyor systems
- Assembly production lines
- Material handling equipment
- Safety interlock monitoring
- Water and wastewater treatment
- Process automation
- General industrial control
Installation Guidelines
- Install the module in a compatible FA-M3 base unit.
- Disconnect system power before installation or maintenance.
- Connect only dry-contact (volt-free) devices to the input terminals.
- Use the independent common terminal for each input channel.
- Tighten all M3.5 terminal screws securely.
- Ensure proper grounding to minimize electrical noise.
- Verify input operation and LED status during commissioning.
Compatible Components
The F3XC08-0C is compatible with:
- FA-M3 CPU Modules
- FA-M3 Base Units
- FA-M3 Power Supply Modules
- Digital Output Modules
- Analog Input Modules
- Analog Output Modules
- Ethernet Communication Modules
- Serial Communication Modules
- Motion Control Modules
- Remote I/O Modules
Alternative Models
| Model | Description |
|---|---|
| F3XC08-0N | 8-Point No-Voltage Contact Input Module (Shared Common) |
| F3XD08-6F | 8-Point 12–24 V DC Input Module |
| F3XD16-3F | 16-Point 24 V DC Input Module |
| F3XD32-3F | 32-Point 24 V DC Input Module |
| F3XD64-3F | 64-Point 24 V DC Input Module |
Advantages
- Independent commons for improved signal isolation
- Reliable dry-contact signal detection
- Transformer-isolated input circuits
- Configurable high-speed response times
- Supports interrupt processing for fast event detection
- Easy wiring with removable terminal block
- Excellent electrical noise immunity
- Seamless integration with FA-M3 PLC systems
Frequently Asked Questions
What is the primary function of the F3XC08-0C?
It receives signals from 8 dry-contact (volt-free) input devices and transmits them to the FA-M3 PLC for processing.
How many input channels does the module provide?
The module provides 8 independent no-voltage contact input channels.
Does the F3XC08-0C support interrupt processing?
Yes. Each input channel can be individually configured for interrupt processing, enabling rapid response to critical input events.
What type of isolation is used?
The module uses transformer isolation, providing excellent electrical separation between field wiring and the PLC circuitry.
What applications is the F3XC08-0C suitable for?
It is commonly used for monitoring push buttons, selector switches, relay contacts, limit switches, safety interlocks, and other dry-contact devices in industrial automation systems.
Conclusion
The Yokogawa F3XC08-0C No-Voltage Contact Input Module is a reliable digital input solution for the FA-M3 PLC platform. With 8 independent dry-contact inputs, transformer isolation, configurable response times, and interrupt capability, it delivers dependable signal acquisition and high-speed performance for a wide range of industrial automation and machine control applications.