Samkoon F-8X Digital Input Expansion Module
The Samkoon F-8X is a high-density, ultra-compact digital input expansion module designed to expand the monitoring capabilities of Samkoon PLCs and HMI+PLC all-in-one units. As part of the space-saving “F-series,” this module plugs directly into the host controller’s expansion slot, allowing you to add sensor and switch monitoring without increasing the physical footprint of your control system.
It is specifically built for high-speed signal detection, making it the perfect choice for monitoring limit switches, proximity sensors, and push-buttons.
Key Features
- Zero-Footprint Expansion: Plugs directly into the front of FAs series PLCs or GT series HMIs, requiring no extra DIN rail space.
- High-Speed Input: Features rapid signal response times, ideal for precision timing and high-frequency triggering.
- Bidirectional Logic: Supports flexible wiring configurations to suit your specific sensor requirements.
- Integrated Power: No external power supply is needed; the module is powered via the host unit’s internal bus.
- Rugged Construction: Built with industrial-grade optoelectronic isolation to protect the main CPU from electrical surges and noise.
Technical Specifications
| Feature | Specification |
| Model | F-8X |
| Input Channels | 8 Digital Inputs |
| Input Type | Sink/Source (Common point) |
| Input Voltage | 24V DC (±10%) |
| Input Impedance | 3.3 kΩ |
| Isolation Type | Optoelectronic Isolation |
| Power Supply | Powered by Host (No external power required) |
| Dimensions | 39mm x 46mm x 33mm |
| Weight | Approx. 35g |
| Operating Temperature | -20°C to 55°C |
| Humidity | 5% to 95% RH (non-condensing) |
| Certifications | CE, FCC (Class A), RoHS |
| Protection Level | IP30 |
Applications
- Sensor data acquisition
- Production line monitoring
- Safety interlock systems
- Conveyor system control






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