Product Description

The TK-IOLI01 (51403427-175 / 51309283-600) is a high-speed communication bridge engineered for the Honeywell Experion PKS and legacy TDC 3000 Distributed Control Systems (DCS). This module manages the I/O Link protocol, facilitating deterministic data traffic between the control processors and the remote I/O subsystems. By digitizing and transmitting field data with minimal latency, the TK-IOLI01 ensures that process controllers receive real-time updates from instrumentation, which is critical for maintaining stable control loops in high-stakes environments like refineries and power plants.

Designed for industrial longevity, the 51403427-175 / 51309283-600 supports both redundant and non-redundant link configurations. In redundant mode, two modules work in tandem to ensure that a single cable or hardware failure does not interrupt the flow of mission-critical process data. Its slot-mounted architecture allows it to fit seamlessly into standard Honeywell Series A or Series C card racks, providing a reliable path for system upgrades and maintenance of legacy high-density I/O clusters.

Technical Specifications

• Model Number: TK-IOLI01

• Primary Part Number: 51403427-175

• Secondary Part Number: 51309283-600

• Function: I/O Link Interface Module

• Communication Protocol: High-speed Serial I/O Link

• System Platform: Experion PKS / TDC 3000

• Data Transmission: Deterministic, Low-latency

• Redundancy Support: Dual-link Redundant compatible

• Dimensions (H x W x D): 13.5 cm x 7.1 cm x 2.0 cm

• Net Weight: 0.45 kg

• Installation Type: Card Rack Slot-mounted

• Operating Environment: Industrial Grade, Continuous Duty

Operational Features

• Link Management: Efficiently handles traffic for multiple I/O modules, reducing processor overhead and improving system response times.

• Backward Compatibility: Fully supports the integration of legacy TDC 3000 I/O hardware into modern Experion PKS control architectures.

• Deterministic Performance: Ensures that I/O scanning remains consistent and predictable, meeting the strict timing requirements of safety-critical control loops.

• Hardware Reliability: Built with high-spec industrial components to survive the thermal and electrical stresses of 24/7 process automation.

Application Scenarios

• DCS Modernization: Converting older TDC 3000 systems to the Experion platform while retaining existing field wiring and I/O infrastructure.

• Large-scale I/O Clusters: Centralizing the communication of hundreds of field points through a single interface for more efficient processing.

• Refining and Chemical Plants: Providing the robust data backbone required for high-speed emergency shutdown (ESD) and process control sequences.