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Siemens SINUMERIK 6FC3981-4FD PLC Expansion Unit - Compact Design

Name: Siemens 6FC3981-4FD
Brand: Siemens
SKU: 6FC3981-4FD
Availability: InStock

Siemens SINUMERIK PLC Expansion Unit with compact design.

● In Stock 12-Mo Warranty Same-Day Dispatch Ships Worldwide 🎖 Veteran-Owned

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ManufacturerSiemens

Part number6FC3981-4FD

Part Number 6FC3981-4FD

Manufacturer Siemens

Series SINUMERIK

Product Type PLC Expansion Unit

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12-month warranty

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Veteran-owned

CAGE: 9NK75

Compact design PLC expansion capabilities Designed for SINUMERIK systems Modular expansion Option supplied separately

Product description

The Siemens 6FC3981-4FD is a SINUMERIK PLC Expansion Unit designed for use with SINUMERIK control systems. It features a compact design and is supplied as an option separately, meaning it is not integrated into the main control unit and requires separate installation and configuration.

This expansion unit is crucial for extending the capabilities of SINUMERIK controllers, allowing for additional PLC functionalities and integration of more I/O points. It is typically used in CNC machine tools and other advanced manufacturing equipment where modular expansion is beneficial.

Stanlo Automation, a veteran-owned provider of surplus industrial automation parts, offers the Siemens 6FC3981-4FD. Equip your SINUMERIK systems with reliable expansion components from a trusted source.

Technical specifications

Part Number	6FC3981-4FD
Manufacturer	Siemens
Series	SINUMERIK
Product Type	PLC Expansion Unit
Design	Compact
Supply	Option Supplied Separately
Power Supply	W/O Power Supply

Common applications

CNC machine tools

Industrial automation

Manufacturing equipment

SINUMERIK control systems

Advanced machinery

Compatible systems

Siemens SINUMERIK Control Systems CNC Machinery Industrial Automation Systems

Also known as

Siemens SINUMERIK Expansion Module 6FC39814FD PLC expansion for CNC

Replaces / compatible with

This unit expands the capabilities of existing SINUMERIK controllers. It is a modular component that can be added to systems requiring additional PLC functionality, replacing or supplementing older expansion modules.

Technical note

Expert tip

Ensure that the external power supply used with the Siemens 6FC3981-4FD PLC Expansion Unit meets the voltage and current requirements specified in the SINUMERIK system documentation.

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Frequently asked questions

Does the Siemens 6FC3981-4FD PLC Expansion Unit include a power supply?

No, the Siemens 6FC3981-4FD SINUMERIK PLC Expansion Unit is supplied 'W/O Power Supply' (without power supply), meaning an external power source needs to be provided and connected separately.