Technical Specifications:
Board Type: Fiber Optic Communication Module
System: Foxboro I/A Series (Series 2, Series 3)
Fiber Type: Multi-mode fiber (62.5/125 micron) or single-mode fiber (9/125 micron)
Connectors: Dual SC or ST connectors (transmit and receive)
Data Rate: Up to 10 Mbps (I/A Series bus speed)
Distance: Up to 2 kilometers (multi-mode) or 40 kilometers (single-mode)
Protocol: Foxboro I/A Series proprietary protocol over fiber
Redundancy: Dual fiber paths (A/B) for redundant communication
Isolation: 1500V RMS galvanic isolation between electrical and optical sides
LED Indicators: Link status, data transfer, and fault LEDs
Power: 5V DC from I/A Series backplane
Form Factor: 3U Eurocard
Operating Temperature: 0 to 60 degrees Celsius
Functional Features:
EMI Immunity: Fiber optic communication is completely immune to electromagnetic interference, making it ideal for substations and power plants.
Long-Distance Communication: Supports distances up to 40km (single-mode), enabling communication between buildings or across large plants.
Redundant Paths: Dual fiber paths ensure that a single fiber cut never causes a communication loss.
Galvanic Isolation: 1500V RMS isolation protects the I/A Series controller from electrical faults on the fiber side.
Hot Swappable: Can be removed and replaced while the system is running.
Auto-Negotiation: Automatically detects fiber link status and adjusts transmission parameters.
Application Scenarios:
Substation Communication: Connects I/A Series controllers in electrically noisy substations where copper cables would pick up interference.
Long-Distance Plant Networks: Links control rooms separated by hundreds of meters or kilometers using single-mode fiber.
Remote I/O Racks: Connects remote I/O racks located in hazardous or electrically noisy areas to the main control room via fiber.
Redundant Backbone: Provides the redundant communication backbone for large I/A Series installations.











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