100% Genuine. 100,000+ Parts in Stock. Ready to Ship.

  • en

YOKOGAWA YNT512D-Q12 Bus Repeater Module

Configured for high-availability communication in CENTUM VP/CS DCS platforms, the YOKOGAWA YNT512D-Q12 (YNT512D-Q12 Bus Repeater Module) provides direct physical/electrical execution of redundant Vnet/IP data traffic management.

Suffix Breakdown & Model Matrix

  • YNT512D: Base model identifier for bus repeater and communication node functionality.
  • -Q12: Configuration suffix denoting hardware revision and optimized interface standards for DCS platform communication bus expansion.

Hardware Specifications

Parameter Specification
Model YNT512D-Q12
Brand YOKOGAWA
Origin United States
Weight 0.25 kg
Dimensions 25 × 130 × 146 mm
Operating Temp 0 deg C to +55 deg C
Power Consumption 0.8 W (24 V DC)
Communication 100 Mbps Fast Ethernet
Ports 2 × RJ-45 (Redundant)
Isolation Optical/Electrical

DCS Process Control & Isolation Attributes

The YNT512D-Q12 operates as a critical node for signal distribution, ensuring deterministic data exchange between controllers, operator stations, and engineering workstations. To maintain process control integrity, the module features dual Ethernet ports supporting hot-standby redundancy, which prevents communication loss during primary link failure. The internal architecture utilizes galvanic and optical isolation between the physical Ethernet ports and the system bus to suppress electromagnetic noise and common-mode transients. Furthermore, the module facilitates FOUNDATION Fieldbus and Profibus PA connectivity protocols within the wider DCS network, while implementing channel-to-channel isolation to prevent fault propagation across the network segment.

Frequently Asked Questions

Q: Does the YNT512D-Q12 support hot-swapping during network operation?

A: Module replacement must follow the specific DCS cabinet power-down procedures. Verify system configuration status before extraction to prevent network loop errors or communication bus disruptions.

Q: Is this module compatible with non-Yokogawa proprietary network protocols?

A: The module is optimized for Vnet/IP and standard Yokogawa protocols; however, it supports transparent transmission of standard TCP/IP traffic over its 100 Mbps link.

Q: How is the redundant communication path synchronized?

A: The module performs automatic failover to the standby port when a link-layer error is detected, with internal logic managing the seamless transition of the Vnet/IP traffic stream.

Field Installation Guidelines

  • Mounting: Install the module into the designated DCS communication slot. Secure the fastening screws to ensure the module chassis maintains low-impedance contact with the cabinet common ground.
  • Wiring: Use shielded Category 5e or Category 6 Ethernet cabling (STP). Terminate shields at the cabinet-level grounding rail to provide an effective path for induced EMI dissipation.
  • Link Integrity: Ensure cable lengths do not exceed standard Ethernet limits (100 meters per segment). Protect ports from moisture and particulate contamination in harsh environments.
  • Thermal Management: Maintain a clearance of at least 50 mm around the top and bottom of the module housing to prevent localized thermal accumulation within the DCS rack.

What's clients say about us

Translation missing: en.general.search.loading