Turck FDN20-4S-4XSG DeviceNet I/O Station Module

Description:

The TURCK FDN20-4S-4XSG Compact I Station is used in industrial automation systems as a distributed Device-Net I/O module for interfacing digital field signals with PLC control networks. Commonly installed in machine-mounted control points, packaging systems, conveyor lines, automotive production equipment, and factory automation systems requiring decentralized input/output handling. Maintenance teams, OEMs, and system integrators use this module for field I/O expansion, network integration, and machine retrofit applications.

Applications:

The TURCK FDN20-4S-4XSG is used in Device-Net-based automation environments where compact distributed I/O is required close to the machine or process. Typical applications include automotive assembly lines, packaging equipment, material handling systems, conveyor automation, and industrial production cells requiring local digital input/output control and reduced cabinet wiring complexity.

Technical Specifications:

• Manufacturer: TURCK
• Manufacturer Part Number (MPN): FDN20-4S-4XSG
• Product Type: Compact Device-Net I/O Station
• Fieldbus Protocol: DeviceNet
• I/O Configuration: 4 digital inputs / 4 universal digital channels (DI/DO configurable)
• Input Type: 24 VDC PNP
• Output Type: PNP transistor outputs
• Output Current: up to 0.5 A per channel
• Supply Voltage: 24 VDC (Device-Net powered)
• Fieldbus Transmission Rate: 125 / 250 / 500 kbps
• Device Addressing: Rotary switch node addressing (0–63 range)
• Connection Type: 5-pin DeviceNet screw terminal / fieldbus connector
• Electrical Isolation: Channel isolation between I/O groups
• Protection Rating: IP20
• Housing Material: Nylon / industrial-grade polymer
• Mounting Type: DIN rail / panel mount
• Operating Temperature: -40°C to +70°C
• Function: Distributed I/O expansion node for Device-Net systems
• Diagnostics: LED status indication for network and channel state
• Application Environment: Industrial control cabinets and machine-level automation systems

Common Replacements:

• TURCK FDN20-4S-4XSG-DIN Compact I/O Station
• TURCK FDN20-4S-4XSG-E Device-Net I/O Module
• Allen-Bradley 1794 FLEX I/O Device-Net Adapter System