Yokogawa ANT512 Modules – ANT512-5F S1

Technical Dossier

Product Details And Specifications

Yokogawa ANT512 Series Technical Notes

The Yokogawa ANT512 series comprises bus repeater modules designed for use within the CENTUM VP and CENTUM CS 3000 Distributed Control Systems (DCS). These modules are deployed across critical process industries including petrochemical refineries, nuclear power generation facilities, LNG terminals, pulp and paper plants, and large-scale chemical manufacturing complexes. The ANT512 series functions as the physical-layer signal regeneration backbone of the V-net/RIO bus architecture, enabling long-distance, noise-immune communication between field control stations (FCS) and remote I/O units. Installed base figures for CENTUM CS 3000 and CENTUM VP systems span several thousand sites globally, making the ANT512 series one of the most widely deployed bus repeater families in heavy process automation.

ANT512 Full Catalog & Functionalities (SKU List)

The following SKUs represent verified, commonly deployed modules within the Yokogawa ANT512 bus repeater series. Modules are classified by interface type and bus segment role.

Fiber-Optic Bus Repeater Variants

• ANT512-5F S1: Single-channel fiber-optic V-net bus repeater, slot 1 configuration, ST connector interface.
• ANT512-5F S2: Single-channel fiber-optic V-net bus repeater, slot 2 configuration, ST connector interface.
• ANT512-5F S3: Single-channel fiber-optic V-net bus repeater, slot 3 configuration, ST connector interface.
• ANT512-5F S4: Single-channel fiber-optic V-net bus repeater, slot 4 configuration, ST connector interface.
• ANT512-5F S5: Single-channel fiber-optic V-net bus repeater, slot 5 configuration, ST connector interface.
• ANT512-5F S6: Single-channel fiber-optic V-net bus repeater, slot 6 configuration, ST connector interface.

Coaxial / Electrical Bus Repeater Variants

• ANT512-5C S1: Single-channel coaxial V-net bus repeater, slot 1, BNC connector, short-range segment extension.
• ANT512-5C S2: Single-channel coaxial V-net bus repeater, slot 2, BNC connector, short-range segment extension.
• ANT512-5C S3: Single-channel coaxial V-net bus repeater, slot 3, BNC connector, short-range segment extension.
• ANT512-5C S4: Single-channel coaxial V-net bus repeater, slot 4, BNC connector, short-range segment extension.

Dual-Redundant Bus Repeater Variants

• ANT512-5F/R S1: Redundant fiber-optic bus repeater pair, slot 1, supports dual V-net bus topology for fault-tolerant FCS configurations.
• ANT512-5F/R S2: Redundant fiber-optic bus repeater pair, slot 2, dual V-net bus topology.
• ANT512-5F/R S3: Redundant fiber-optic bus repeater pair, slot 3, dual V-net bus topology.
• ANT512-5C/R S1: Redundant coaxial bus repeater pair, slot 1, dual V-net bus topology for electrical segment redundancy.
• ANT512-5C/R S2: Redundant coaxial bus repeater pair, slot 2, dual V-net bus topology for electrical segment redundancy.
• ANT512-5C/R S3: Redundant coaxial bus repeater pair, slot 3, dual V-net bus topology for electrical segment redundancy.

Quality Control for the ANT512 Range

ANT512 bus repeater modules present specific test challenges due to their role in V-net bus signal regeneration and their sensitivity to optical power budget and timing parameters. DriveKNMS applies the following verification procedures to all ANT512 units prior to dispatch: optical power output measurement at the ST fiber interface using calibrated optical power meters to confirm compliance with Yokogawa-specified transmission levels; bus timing verification using a CENTUM-compatible test bench to confirm signal propagation delay within specification; visual inspection of the backplane connector pins and fiber port housing for mechanical damage or contamination; firmware version identification and cross-reference against Yokogawa's compatibility matrix for the target CENTUM VP or CS 3000 release; and 48-hour powered burn-in test under simulated bus load conditions. Units that do not pass all verification stages are quarantined and not offered for sale.