Emerson 1X00055H01 Product Detailed Description
 I. Product Overview

The Emerson 1X00055H01 is a rack-mounted optical media converter module of the Emerson Ovation™ distributed control system (DCS) series. It is originally produced in the United States and is also known as Westinghouse OVATION optical transceiver. It is specifically designed for rack-mounted installation in the Ovation system. As a rack adapter model of the 1X00046H series, it integrates optical conversion, electrical isolation, and status monitoring functions, and is used for optical interconversion between Ethernet between Ovation DCS controllers, I/O racks, and operation stations. It is suitable for industrial scenarios with strong electromagnetic interference, long distances, and high reliability, such as power plants, metallurgy, and chemical industries. It is the core communication component that ensures the stable transmission of real-time data in the DCS. 

II. Core Functions

Bidirectional Transparent Photoelectric Conversion: Achieve bidirectional transparent conversion between 10/100Mbps Ethernet electrical ports (RJ45) and optical ports (SC/ST), support automatic adaptation to multi-mode / single-mode optical fibers, perform line-speed forwarding without packet loss or delay, meeting the requirements of industrial real-time control.

Ovation System-specific Rack Communication: Fully compatible with the entire series of Ovation DCS controllers, I/O units, operation stations and engineer stations, compatible with standard rack slots for installation, undertake high-speed transmission of real-time control instructions, process variables, and alarm events, seamlessly integrated into the Ovation network architecture.

Long-distance Transmission Expansion: Break through the 100-meter limit of copper cables, multi-mode optical fibers (50/125μm, 62.5/125μm) can achieve a transmission distance of up to 2km; single-mode optical fibers (9/125μm) can reach up to 20km, suitable for large factory areas and long-distance communication across workshops.

Redundant Links and High Availability: Support dual-fiber redundant networking, can form redundant communication pairs with the same model modules, automatic seamless switching occurs when a link fails, switching time < 10ms, no data loss, meeting the 7×24-hour continuous operation requirements.

Strong Anti-interference and Electrical Isolation: Optical transmission is naturally free from electromagnetic interference, ground loop current, and signal crosstalk; the module has a 2500VAC high-voltage isolation design, resisting strong electromagnetic noise from frequency converters and high-voltage motors, ensuring data integrity.

Status Monitoring and Fault Diagnosis: Equipped with independent LED indicators, real-time display of power supply, electrical port link, optical port link, data transmission, and fault alarm status; built-in link detection circuit, accurately identifies fiber breakage, port abnormalities, signal loss, etc., supporting remote system diagnosis.

Protocol Transparent Compatibility: Compatible with Ovation dedicated protocols, standard TCP/IP, Modbus TCP, ARP, ICMP, etc., no additional configuration required, plug-and-play, simplifying system integration and expansion.

III. Technical Specifications

(1) Electrical and Communication Parameters

Input Voltage: 24VDC (±10%), powered by Ovation rack power supply, compatible with industrial standard DC power sources.

Communication Interfaces: 1× RJ45 electrical port (10/100Mbps auto-adaptive), 1× optical interface (SC standard, optional ST, multi-mode / single-mode compatible).

Transmission Rate: Ethernet 10/100Mbps auto-adaptive, fiber rate matches the electrical port, line-speed forwarding without bottleneck.

Fiber Specifications: Multi-mode 50/125μm, 62.5/125μm, ≤2km; Single-mode 9/125μm, ≤20km.

Power Consumption: ≤12W, low-power design, reducing cabinet heat load.

Isolation Strength: Electrical isolation between electrical port / optical port, 2500VAC, anti-common-mode interference > 120dB.

Protocol Support: Ovation dedicated protocols, TCP/IP, Modbus TCP, ARP, ICMP, etc.

(2) Environmental Parameters

Operating Temperature: -20℃ to +60℃, wide temperature design, suitable for harsh temperature environments in control rooms and on-site cabinets.

Storage Temperature: -40℃ to +85℃, long-term storage without damage under extreme temperatures, facilitating spare parts management.

Relative Humidity: 5%–95% RH (no condensation), suitable for humid and dusty industrial sites.

Vibration Grade: Complies with IEC 60068-2-6, 5g (10–150Hz), suitable for cabinet vibration environments.

Protection Grade: IP30, dust-proof, foreign object-proof, avoiding dust accumulation affecting heat dissipation and contact reliability.

(3) Physical Parameters Dimensions (Width × Height × Depth): Approximately 250mm × 120mm × 80mm, compatible with Ovation standard rack slots.

Weight: Approximately 1.1kg, lightweight design for easy rack installation and maintenance.

Shell material: High-strength engineering plastic + metal shielding layer, corrosion-resistant and interference-proof, suitable for harsh industrial environments.

IV. Structure and Design

Rack-based modular structure: Integrated sealing design, internal integration of photoelectric conversion chips, isolated power supply, signal processing circuits and cooling components, compact structure, compatible with Ovation standard rack direct insertion installation, dedicated connectors on the back and seamless connection with rack power supply and bus.

Standard rack compatibility installation: Adopting Ovation system standard rack design, can be directly inserted into the controller rack idle slots, no additional adapter components required, installation is convenient, firmly fixed.

Clear interfaces and status indication:

Front: Equipped with 4 LED indicators, respectively for power (green, always on normal), Ethernet link (yellow, always on connected, flashing transmit/receive), optical link (yellow, always on connected, flashing transmit/receive), fault (red, always on alarm), status is clear at a glance.

Side: Distributed RJ45 Ethernet ports and optical interfaces (SC/ST), clear interface zoning, clear silk-screening, convenient wiring and maintenance.

Passive cooling without fan: Integrated cooling slots on both sides of the shell, internal heat naturally convects and dissipates, fanless design, avoids dust accumulation, noise and fan failure, suitable for industrial environments with high dust and difficult maintenance.

Anti-interference shielding design: Internal circuits use shielded wiring, shell with metal shielding layer, effectively resist external electromagnetic interference, ensure communication stability.

V. Product Advantages

Rack compatibility, high integration: Specifically designed for Ovation racks, direct insertion installation without additional components, saves cabinet space, simplifies wiring, reduces system complexity.

High reliability and long lifespan: Industrial-grade components and strict high/low temperature, vibration, aging tests, average failure-free time (MTBF) ≥ 500,000 hours, compatible with 7×24-hour continuous operation.

Extremely anti-interference and isolation: Dual protection of fiber optics + high-voltage isolation, completely eliminate ground circulation, electromagnetic interference and signal crosstalk, operate stably in strong electromagnetic environments, no packet loss, no frame error.

Long-distance stable transmission: Single-mode fiber up to 20km, low signal attenuation, anti-aging, long-distance transmission without delay, jitter, compatible with large factory areas and cross-regional control.

Easy maintenance, hot-swappable: Supports hot swapping, no downtime for module replacement, maintenance is convenient; plug-and-play, no complex configuration required, reduces maintenance costs.

Safe compliance and complete protection: CE, UL certification, compliant with industrial electrical safety standards; multiple protections against overvoltage, overload, short circuit, overtemperature, ensuring equipment and system safety.

VI. Application Scenarios

Power industry: Ovation DCS for thermal power, hydropower, nuclear power, used for boiler, turbine, generator control and remote control room's anti-interference communication.

Metallurgical industry: Automation systems for steel mills, aluminum plants, used for rolling mills, blast furnaces, continuous casting machine controllers and I/O racks' communication.

Chemical industry: Process control for petrochemicals, coal chemical processes, suitable for explosion-proof, long-distance scenarios, used for reaction vessels, distillation towers' data transmission.

Building materials and water treatment: Production line monitoring systems for cement plants, sewage treatment plants, used for kilns, mills, water treatment equipment's cross-department communication.

Other industrial scenarios: Ovation DCS for industries such as papermaking, oil and gas transportation, providing communication support for remote, strong interference, high-reliability requirements.

VII. Installation and Maintenance

(1) Installation steps Select an idle slot within the Ovation controller rack that is well-ventilated, free from strong electromagnetic interference, and far from heat sources.

Ensure the rack is powered off, align the module with the slot, push it in smoothly until the back connectors are fully engaged, tighten the fixing screws to ensure a secure fit without looseness.

Connect the communication cables: RJ45 to the Ovation controller / I/O electrical port; fiber optic to the module's optical port and the remote device's optical port. Ensure the fiber optic ends are clean and the connections are tight.

Connect the 24VDC power supply to the rack and observe the LED indicators: the power green light should be constantly on, the electrical port / optical port chain lights should be normally illuminated, with no red lights indicating alarms, and confirm normal communication.

In case of redundant configuration, install the same model backup module to build a dual fiber redundant link, and verify the redundant switching function.

(II) Daily Maintenance

Daily inspection: Check the LED status. The green light should be constantly on, the yellow light indicates data transmission and reception, and the red light indicates a need for troubleshooting of the fiber optic, port, or power supply.

Monthly cleaning: Use a dry soft cloth to wipe the module surface, heat dissipation slots, and interface dust. Avoid dust accumulation that affects heat dissipation and interface contact.

Quarterly inspection: Check if the fixing screws, connectors, and communication cables are loose or oxidized. Tighten or replace them in time to avoid communication interruption.

Environmental management: Maintain the cabinet ventilation, keep the temperature within -20℃ to +60℃, and avoid heat sources, water sources, and corrosive gases.

Redundancy test: Switch the main and backup links manually every six months to verify the redundancy switching function and ensure seamless switching in case of a failure.

VIII. Notes

Power specification: Use strictly 24VDC (±10%) power, prohibit overvoltage, undervoltage, or reverse connection, otherwise the module circuit will be burned out.

Installation operation: Before installation or disassembly, must disconnect the rack power supply to avoid damaging the connector due to live insertion or removal; handle with care to avoid severe vibration.

Fiber optic protection: Fiber optic ends must not be touched with hands to avoid oil stains and dust; the bending radius should be ≥ 30mm to avoid damage.

Do not disassemble: There are no user-repairable components inside,私自拆解 will result in the invalidation of warranty and even cause short circuits or electric shocks.

Storage requirements： Spare parts should be stored in a dry， ventilated， and non-corrosive environment， with a temperature of -40℃ to +85℃. Avoid direct sunlight， rain， and exposure to water.

Spare part replacement： Replace the same model original module when faulty； non-original may cause compatibility issues and unstable communication.

IX. Warranty Information

Warranty period： Original brand new products are guaranteed for 12 months.

Warranty scope： Faults of non-human damage to components， circuit faults， and communication faults； faults caused by human damage，私自拆解， overvoltage， harsh environments (corrosion， water ingress， lightning strike) are not covered by the warranty.