The Yokogawa YNT512D-Q12, also known as a Bus Repeater Module, is designed to extend the communication distance of the V net control bus while maintaining signal integrity. It regenerates digital signals to reduce attenuation during long‑distance transmission, ensuring stable communication in large distributed control systems.
Hardware Specifications
Manufacturer: Yokogawa
Product No.: YNT512D-Q12
Product Type: Bus Repeater Module
Application: V net bus extension and signal regeneration
Signal Regeneration: Restores digital bus signals to reduce attenuation over long distances.
Extended Communication: Supports long‑distance V net bus transmission with multiple repeater segments.
Noise Immunity: Optical isolation and shielded cabling ensure stable operation in industrial environments.
System Integration: Designed for seamless use in Yokogawa CENTUM VP and ProSafe‑RS architectures.
Redundancy Support: Operates in redundant configurations for enhanced reliability.
Frequently Asked Questions (FAQ)
Q: What is the primary function of the YNT512D-Q12? A: It extends V net bus communication distance by regenerating digital signals.
Q: What is the maximum transmission speed supported? A: The module supports up to 10 Mbps.
Q: Is the YNT512D-Q12 compatible with fiber optics? A: No, it is designed for coaxial cable. Fiber optic expansion requires other Yokogawa repeater models (e.g., YNT511D, YNT522D).
Field Installation Guidelines
Mount the YNT512D-Q12 securely in the designated rack slot.
Use YokogawaYCB series shielded coaxial cables with proper connectors.
Maintain separation between bus cabling and high‑voltage wiring.
Configure repeaters appropriately for long‑distance communication.
Perform diagnostic checks to confirm signal integrity and redundancy.
