Turck FDN20-4S-4XSG-E DeviceNet Interlink BT I Module

Description:

The TURCK FDN20-4S-4XSG-E Device-Net Interlink BT I Module is used in industrial automation systems as a compact distributed I/O station for connecting field devices to Device-Net networks. Commonly installed in machine-mounted control points, packaging systems, conveyor lines, automotive production equipment, and factory automation systems requiring decentralized digital input/output control. 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-E 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 machinery, 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-E / F0178
• Product Type: Device-Net Compact I/O Station / Interlink BT I Module
• Fieldbus Protocol: Device-Net
• I/O Configuration: 4 digital inputs / 4 universal digital channels (DI/DO)
• Input Type: PNP, 24 VDC
• Output Type: PNP transistor outputs
• Output Current: up to 0.5 A per channel
• Supply Voltage: 24 VDC (Device-Net powered, 11–26 VDC range)
• Fieldbus Transmission Rate: 125 / 250 / 500 kbps
• Device Addressing: Rotary switch node addressing (0–63 range)
• Connection Type: 5-pin Device-Net screw terminal / M12 fieldbus connection
• Electrical Isolation: Channel group isolation
• Protection Rating: IP20
• Housing Material: Nylon / industrial 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 diagnostics
• Application Environment: Industrial control cabinets and machine-level automation systems

Common Replacements:

• TURCK FDN20-4S-4XSG (standard variant F0177)
• TURCK FDN20-4S-4XSG-DIN Compact I/O Station
• Allen-Bradley 1794 FLEX I/O Device-Net Adapter System