FAQ
Q1: What is the Bachmann FS221/N used for?
It is a FASTBUS slave module that enables the distribution of substations over long distances via multimode fiber optic cables, with an integrated power supply for the connected substation's I/O modules .
Q2: What is the difference between FS221/N and FS222/N?
The FS221/N (00016749-10) has 1 fiber optic interface; the FS222/N (00016749-00) has 2 fiber optic interfaces. Both include an integrated power supply .
Q3: How many substations can be connected?
Up to 15 distributed substations (16 stations total, max. 10 per line) .
Q4: What distances are supported?
Up to 2000 m between stations via multimode fiber; total line length up to 2300 m .
Q5: Does the FS221/N provide power to the I/O modules?
Yes. The integrated power supply (18.25 W nominal) can supply the I/O modules of a connected substation .
Q6: What are the power supply specifications?
Input range 18–34 VDC; nominal output 18.25 W. Outputs: +5 V (3000 mA), +15 V (250 mA), -15 V (200 mA), with the total power not exceeding 18.25 W .
Q7: What are the environmental ratings?
Operating temperature -30 °C to +60 °C, storage -40 °C to +85 °C, with CE, UKCA, cULus approvals and extensive marine certifications .
Q8: Is a ColdClimate variant available?
Yes, the FS221/N CC (00018092-10) is the ColdClimate variant, suitable for condensation-tolerant operation .
Q9: Is this a current or legacy product?
Bachmann maintains long product lifecycles. Confirm current product status and availability with Bachmann or an authorized distributor.
Q10: Where can I get technical documentation?
Official Bachmann electronic documentation, or an authorized distributor, is the authoritative source for specifications and compatibility.
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