FM221 Bachmann | FASTBUS Module

Product Description

The Bachmann FM221 is a FASTBUS module for distributed industrial control architectures. The supplied technical information describes master modules with one or two fiber-optic (FO) interfaces and slave modules with an integrated power supply. The FASTBUS architecture supports up to 15 distributed substations, with multimode fiber-optic transmission distances of up to 2000 m and connection options that include Harting PushPull connectors and LC patch cables.

FASTBUS Communication and Network Configuration

FM221 is the master module with one fiber-optic interface, part number 00016747-10. It belongs to the Fx220 FASTBUS module family, which distributes SubDevices across remote stations. The single-interface configuration distinguishes FM221 from FM222, which has two fiber-optic interfaces. Select the module according to the required network topology and optical interface count.

The FASTBUS network supports the following features:

• Up to 15 distributed SubDevices.
• Multimode fiber-optic transmission over distances of up to 2000 m between stations.
• LC fiber-optic connection, with an optional adapter for Harting PushPull connections.
• Low signal delay for communication between distributed control-system components.

Technical Specifications

Related Configuration Options

The Fx220 family includes master and slave modules with different fiber-optic interface configurations. The slave modules FS221/N and FS222/N also have integrated power supplies for the I/O modules of a SubDevice. These functions belong to the respective slave models and should not be attributed to FM221.

The family also includes ColdClimate variants. The standard FM221 and the FM221 CC should be distinguished by their complete part numbers when selecting a replacement.

Frequently Asked Questions

Q: What is the main function of the Bachmann FM221?

A: FM221 serves as a FASTBUS master module with one fiber-optic interface. It supports communication with distributed SubDevices over multimode fiber.

Q: What is the maximum fiber-optic transmission distance?

A: The specified maximum distance between stations is 2000 m using multimode fiber. Confirm the network layout and fiber specifications before installation.

Q: Is FM221 interchangeable with FM222?

A: Not automatically. FM221 has one fiber-optic interface, while FM222 has two. Check the existing network configuration and required interface count before selecting a replacement.

Other Attributes

• Country of Origin:  Austria
• Lead Time: In Stock, 2 Working Days

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