F3RS41-0N Yokogawa FA-M3 Datasheet & Technical Manual

Communication Card | Yokogawa F3RS41-0N FA-M3 Serial

Communication Card | Yokogawa F3RS41-0N FA-M3 Serial

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Yokogawa F3RS41-0N Serial Communication Module The Yokogawa F3RS41-0N, also cataloged as the F3RS41-0N Serial Communication Module, operates as a dedicated...

SKU: F3RS41-0N

Manufacturer: Yokogawa
Product No.: F3RS41-0N
Product Type: Communication Modules
Product Origin: JAPAN
Payment:T/T, Western Union
Weight: 300g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

Yokogawa F3RS41-0N Serial Communication Module

The Yokogawa F3RS41-0N, also cataloged as the F3RS41-0N Serial Communication Module, operates as a dedicated hardware component for serial data exchange and peripheral interface execution within FA-M3 PLC platforms.

Hardware Specifications

Parameter	Specification
Model	F3RS41-0N
Brand	Yokogawa
Origin	Japan
Weight	0.3 kg
Dimensions	Compact FA-M3 base slot form factor
Operating Temp	0 deg C to 55 deg C
Power Consumption	1.8 W maximum (150 mA at 5 VDC)
Communication Interfaces	RS-422A / RS-485 (terminal block) or RS-232C (D-sub 9-pin)
Channel Capacity	1 port per module
Maximum Distance	1200 m (RS-422/485) / 15 m (RS-232C)
Transmission Baud Rate	Configurable up to 115.2 kbps
Isolation	Optical electrical isolation between serial lines and internal logic
System Compatibility	FA-M3 multi-controller CPUs (F3BP20, F3BP30)
Storage Temp	-20 deg C to 70 deg C

Backplane Bus Communication Velocity & Serial Integrity

The F3RS41-0N manages high-speed serial packet processing to bridge FA-M3 PLC CPU modules with barcode scanners, weighing scales, industrial printers, and third-party HMIs. Built with optical galvanic isolation between the field communication drivers and the backplane logic, the module suppresses high-voltage surges, electrical noise, and ground loop potentials common in harsh industrial environments. Dynamic baud rate control up to 115.2 kbps paired with configurable hardware (RTS/CTS) or software (Xon/Xoff) flow control ensures deterministic data transfer across 1200-meter multi-drop RS-422/485 networks or local 15-meter RS-232C links without buffer overruns or packet corruption.

Frequently Asked Questions

Q: Can the RS-232C and RS-422/485 physical interfaces on the F3RS41-0N be operated simultaneously?

A: No. The module contains a single configurable communication channel; only one physical interface (either the 9-pin D-sub RS-232C connector or the RS-422/485 terminal block) can be active at a time.

Q: How does the optical isolation barrier protect the FA-M3 backplane during field wiring faults?

A: Integrated optocouplers electrically sever the direct galvanic path between field serial cables and internal CPU backplane logic circuits, blocking transient voltage spikes and ground loops up to the module's rated isolation limits.

Q: What grounding steps are necessary to maintain communication stability on 1200-meter RS-485 runs?

A: Shielded twisted-pair cable must be used with the cable shield grounded at a single protective earth point, and a 120-ohm termination resistor must be installed across the signal pair at each physical end of the RS-485 bus segment.

Field Installation Guidelines

Insert the F3RS41-0N into a designated slot on the FA-M3 base unit, ensuring the module connector engages smoothly with the backplane before tightening the top retaining screw. For RS-422/485 wiring, use shielded twisted-pair cables, terminate the signal lines at both physical ends of the trunk with 120-ohm resistors, and connect the shield wire strictly to a single ground point. For RS-232C connections, limit cable lengths to 15 meters and secure the 9-pin D-sub connector using thumb screws to maintain signal contact. Ensure panel ambient temperatures stay within 0 deg C to 55 deg C.

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