
Product Description
Yokogawa F3RZ81-0F Ladder Communication Module with RS-232C Serial Interface
The Yokogawa F3RZ81-0F is a high-performance ladder communication module engineered for reliable serial data exchange in industrial automation environments. Featuring an RS-232C interface, this module enables point-to-point communication between programmable logic controllers (PLCs), human-machine interfaces (HMIs), and supervisory control systems.
Technical Specifications
- Interface Type: RS-232C serial communication
- Communication Mode: Full-duplex, asynchronous transmission
- Baud Rate: 300 to 19,200 bps (configurable)
- Data Format: 7 or 8 data bits, 1 or 2 stop bits, parity selectable
- Connector: D-sub 9-pin male connector
- Operating Temperature: 0°C to 55°C
- Power Consumption: Low power design for extended reliability
- Mounting: DIN rail compatible
Application Scenarios
The F3RZ81-0F module is ideal for integrating legacy serial devices into modern control architectures. Common deployment scenarios include:
- PLC-to-HMI Communication: Establish direct serial links between Yokogawa PLCs and operator panels for real-time process visualization
- SCADA Integration: Connect field controllers to supervisory systems for centralized monitoring and data logging
- Device Configuration: Program and configure field instruments via serial interface using ladder logic protocols
- Protocol Conversion: Bridge RS-232C devices with higher-level control networks in hybrid automation systems
Engineering Solutions
This module addresses critical challenges in industrial communication infrastructure:
- Legacy System Modernization: Retrofit older equipment with serial interfaces into contemporary control platforms without costly hardware replacement
- Deterministic Data Transfer: Ensure predictable, low-latency communication for time-sensitive control loops
- Noise Immunity: Robust electrical isolation and shielding protect against electromagnetic interference in harsh industrial environments
- Flexible Configuration: Software-selectable parameters allow rapid adaptation to diverse communication requirements
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