BACHMANN FS222/N FASTBUS Slave Fiber Optic Module
Configured for high-speed deterministic fieldbus extension in Bachmann M1 Automation Systems, the BACHMANN FS222/N (FS222/N FASTBUS Slave Module) provides direct physical/electrical execution for multi-node industrial network topologies across remote chassis clusters.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | FS222/N |
| Brand | BACHMANN |
| Origin | Austria |
| Weight | 0.70 kg (1.54 lbs) |
| Dimensions | 108 mm x 114 mm x 63 mm |
| Operating Temp | -20 deg C to +60 deg C |
| Power Consumption | Integrated power supply 17 W output capability |
| Input Voltage | 24 VDC (18 to 34 VDC range) |
| Bus Power Output | +5 VDC at 3000 mA, +15 VDC at 250 mA, -15 VDC at 200 mA |
| Optical Interface | 2x FO-ports with LC connectors |
| Fiber Cable Type | 50/125 um or 62.5/125 um multi-mode fiber |
| Max Distance | Up to 2000 m |
| Network Topology | Up to 15 distributed substations |
| Connector Options | LC fiber optic, RJ45 patch cable, Harting PushPull plug |
Deterministic Network Scaling & Firmware Synchronization
The module integrates directly into the Bachmann backplane bus communication velocity Licences ecosystem, transmitting deterministic FASTBUS protocol packets over long distances with minimal latency. It supports dynamic I/O density scaling across up to 15 distributed substations without degrading backplane cycle times. Strict firmware flash compatibility controls ensure seamless real-time handshakes between local FASTBUS master controllers and remote slave nodes, maintaining synchronous data frames across isolated multi-mode optical lines.
Frequently Asked Questions
Q: What are the primary restrictions when wiring the optical ports on the FS222/N?
A: Engineers must utilize 50/125 um or 62.5/125 um multi-mode fiber terminated with LC connectors, ensuring the total point-to-point link length does not exceed 2000 m to prevent excessive optical attenuation.
Q: Can the internal power supply feed expansion I/O modules directly?
A: Yes, the integrated power section delivers isolated secondary rails (+5 VDC at 3000 mA, +15 VDC at 250 mA, and -15 VDC at 200 mA) up to a 17 W limit directly to adjacent backplane modules.
Field Installation Guidelines
Mount the unit securely onto a standard 35 mm DIN rail or flat panel surface inside an IP54-rated enclosure. Connect the primary 24 VDC power feed to the designated screw terminals while verifying that input supply voltage stays strictly within the 18 to 34 VDC range. Ensure field technicians maintain minimum bend radius limits when routing multi-mode fiber optic cables into the LC ports. Ground all metallic enclosures and shield drain wires directly to the main system earth bar to mitigate high-frequency surge interference.
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