F3LR02-0N YOKOGAWA FA-M3 Datasheet & Technical Manual

YOKOGAWA F3LR02-0N FA-M3 Redundancy Interface Module

YOKOGAWA F3LR02-0N FA-M3 Redundancy Interface Module

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YOKOGAWA F3LR02-0N Interface Module Configured for high-availability control in FA-M3 PLC platforms, the YOKOGAWA F3LR02-0N (F3LR020N Interface Module) provides direct...

SKU: F3LR02-0N

Manufacturer: Yokogawa
Product No.: F3LR02-0N
Product Type: Interface Modules
Product Origin: Japan
Payment:T/T, Western Union
Weight: 200g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

YOKOGAWA F3LR02-0N Interface Module

Configured for high-availability control in FA-M3 PLC platforms, the YOKOGAWA F3LR02-0N (F3LR020N Interface Module) provides direct physical/electrical execution of CPU redundancy management and real-time data synchronization.

Suffix Breakdown & Model Matrix

F3LR02: Base model identifier for dual CPU redundancy and fiber-optic communication interface.
-0N: Version suffix denoting standard hardware configuration for FA-M3 rack-based synchronization logic.

Hardware Specifications

Parameter	Specification
Model	F3LR02-0N
Brand	YOKOGAWA
Origin	Japan
Weight	0.2 kg
Dimensions	25 × 100 × 90 mm
Operating Temp	0 deg C to +55 deg C
Power Consumption	0.5 W (5 V DC)
Communication	10 Mbps Fiber Optic
Max Stations	32 per system
Configuration	Daisy-chain

PLC Control & Deterministic Network Attributes

The F3LR02-0N functions as a deterministic synchronization engine within the FA-M3 architecture. To maintain system-wide state consistency, the module manages real-time data exchange between active and standby CPUs over a high-speed, 10 Mbps fiber-optic link. This architecture provides high immunity to electromagnetic interference (EMI) in industrial environments. The module enforces strict backplane bus communication velocity constraints, ensuring that the switchover process—whether triggered automatically by fault detection or through manual command—occurs within the cycle time parameters required for high-availability process control.

Frequently Asked Questions

Q: Can the F3LR02-0N be utilized for fiber-optic communication between remote racks?

A: Yes, the module supports a daisy-chain configuration for multi-node communication, utilizing its 2-port send/receive fiber-optic interface to extend the PLC network reach across 32 stations.

Q: How does the module handle a CPU failure?

A: The F3LR02-0N continuously monitors the heartbeat and health status of both CPU units. Upon detecting a failure in the active CPU, it automatically triggers a switchover to the standby unit to ensure continuous process operation.

Q: Is this module hot-swappable?

A: No. Module replacement requires the removal of power from the FA-M3 base unit to prevent electrical stress on the backplane connector pins and to ensure a safe initialization sequence for the redundancy logic.

Field Installation Guidelines

Mounting: Secure the module into the designated slot on the FA-M3 base unit. Ensure the mounting hooks are engaged and the module is seated to establish proper backplane grounding.
Fiber Optic Handling: When connecting fiber-optic cables, maintain the minimum bend radius specified for the cable type to prevent signal attenuation. Clean the fiber connectors using approved optical cleaning kits before insertion.
Communication Link: Ensure the daisy-chain topology is correctly closed; verify that the transmit port of one module connects to the receive port of the subsequent station.
Interference Mitigation: Although fiber optics are immune to electrical noise, ensure that the module's enclosure is properly grounded to the cabinet chassis to prevent static build-up.

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