BACHMANN FM221 FASTBUS Module

Overview

The BACHMANN FM221 FASTBUS module is engineered for efficient distribution of SubDevices over long distances with minimal signal delay. This module supports flexible and reliable connections, using robust industrial-grade connectors. It integrates power supply functionality, ensuring smooth operation and easy connectivity. The FM221 is designed to handle distances up to 2000 meters, offering high-speed data transmission and exceptional reliability in industrial automation systems.

Key Features

FASTBUS master module with up to 2 FO interfaces
FASTBUS slave modules with integrated power supply
Supports up to 15 distributed SubDevices
Connection options: Harting PushPull® or LC patch cable
Transmission distance up to 2000 meters using multimode fiber
Minimal signal delay for faster communication
ColdClimate models available for extreme temperatures

Technical Specifications

Parameter	Specification
Max. Distance Between Stations	2000 meters (multimode fiber)
Maximum Cable Length	2300 meters
Transmission Medium	Multimode fiber (50/125 μm, 62.5/125 μm)
FO Connector Type	LC
FO Wavelength	1310 nm
Max. Number of Stations	16 (maximum 10 per line)
Link Budget	> 8 dB (3 dB reserve)
Input Voltage	24 V DC (18 V to 34 V)
Nominal Output Power	18.25 W
Output Current (+5 V)	3000 mA
Output Current (+15 V)	250 mA
Output Current (-15 V)	200 mA
Fiber Optic Diagnostics	Three-color LED (HW); 0-100% (SW)
Operating Temperature	-30 °C to +60 °C
Storage Temperature	-40 °C to +85 °C
Relative Humidity (Operation)	5% to 95% (non-condensing)
Relative Humidity (Storage)	5% to 95% (with condensation)
Pollution Degree (IEC 60664-1)	2 (non-condensing)