EMERSON 1X00093H09 Product Description
May 25, 2026

EMERSON 1X00093H09 Product Description

The Emerson 1X00093H09 is a 24-port industrial Ethernet standby root switch specifically designed for the Emerson (formerly Westinghouse) Ovation DCS system. It corresponds to the Cisco WS-C2950-24 model and belongs to the Ovation 1X series of network communication units. It is specially designed for the redundant architecture of control networks in critical process industries such as power, chemical, and metallurgy. As the standby root switch of the system control network (Backup Root), it works in conjunction with the main root switch 1X00093H08, undertaking the tasks of data forwarding and redundancy backup between controllers, I/O modules, operation stations, and servers, ensuring uninterrupted communication of the control network. It is the core equipment for building a highly reliable network for the Ovation system.

Description

EMERSON 1X00093H09 Product Description

I. Product Overview

The Emerson 1X00093H09 is a 24-port industrial Ethernet backup root switch specifically designed for the Emerson (formerly Westinghouse) Ovation DCS system. It corresponds to the Cisco WS-C2950-24 model and belongs to the Ovation 1X series of network communication units. It is specially designed for the redundant architecture of control networks in critical process industries such as power, chemical, and metallurgy. As a backup root switch for the system control network (Backup Root), it works in conjunction with the main root switch 1X00093H08, undertaking the tasks of data forwarding and redundancy backup between controllers, I/O modules, operation stations, and servers, ensuring uninterrupted communication of the control network. It is the core equipment for building a highly reliable network in the Ovation system. 

II. Core Functions

24-port high-density data exchange: Integrated 24 10/100BASE-TX adaptive RJ45 electrical ports, supporting automatic rate negotiation and dual mode, meeting the high-density access requirements of a large number of controllers, I/O modules, and monitoring terminals in the Ovation system, and suitable for the expansion of medium and large system network nodes.

Redundant network and master-slave millisecond-level switching: As a backup root switch, it supports RSTP/MSTP fast spanning tree protocol, forming a redundant architecture with the main root switch 1X00093H08. In case of main link or main switch failure, it can quickly switch, with a switching time of ≤50ms, completely eliminating single-point network failures and ensuring the continuity of system communication.

Industrial-grade protocol compatibility and VLAN division: Compatible with IEEE 802.3, 802.3u, 802.3x, 802.1Q, etc., adapted to Ovation's dedicated industrial protocol and TCP/IP protocol, supporting port-based and label-based VLAN division, enabling logical isolation of control network, monitoring network, and management network, optimizing network traffic and enhancing communication security.

Intelligent QoS and traffic priority scheduling: Each port supports 4 priority queues, supports CoS, DSCP priority mapping, can prioritize the transmission of real-time control instructions and critical process data of the DCS system, avoiding control delay and data loss caused by network congestion, suitable for industrial real-time communication requirements.

Comprehensive network diagnosis and status monitoring: Real-time monitoring of link status, traffic, bit error rate, and device operating temperature of 24 ports, alarms through panel indicator lights in case of faults and records system logs; supports Web GUI, SNMP v1/v2/v3, and CLI remote configuration and diagnosis, quickly locating network faults, reducing operation and maintenance difficulty.

Industrial-grade anti-interference and electrical protection: Ports have built-in surge suppression and static protection circuits, with 1500V AC/DC electrical isolation capability, effectively resisting industrial site electromagnetic interference, voltage fluctuations, and ground potential difference effects, suitable for strong interference environments such as power plants and chemical plants, ensuring communication stability.

Secure access control: Supports MAC address filtering, port security, and access control list (ACL) functions, restricting illegal device access to the control network, preventing unauthorized access and data tampering, enhancing the security of the industrial control network.

Plug-and-play and convenient integration: Standard Ovation module design, supports hot swapping, module replacement does not require system shutdown; Ovation system can automatically identify and match configuration parameters, simplifying deployment and expansion processes, suitable for upgrading and upgrading the existing Ovation network architecture.

III. Technical Specifications

(1) Network Communication Parameters

Port Configuration: 24×10/100Mbps RJ45 adaptive electrical ports (10/100BASE-TX), no additional gigabit uplink ports, achieving bandwidth expansion through port aggregation.

Switching Capacity: 12.8Gbps non-blocking, packet forwarding rate 9.6Mpps, meeting the high-throughput data interaction requirements of 24 port full load.

Supported Protocols: IEEE 802.3, 802.3u, 802.3x, 802.1Q, RSTP, MSTP, TCP/IP, SNMP v1/v2/v3, Ovation dedicated industrial protocol.

VLAN: Maximum support 256 VLANs, supports port VLAN, label VLAN (802.1Q).

Redundancy Switching Time: ≤50ms (RSTP/MSTP redundant mode). Transmission distance: ≤ 100m for electrical ports (compatible with CAT5e and above industrial shielded network cables).

(II) Electrical parameters

Power supply: 24V DC (±5%) with redundant power supply, powered by the backplane of the Ovation system, power consumption ≤ 20W, low energy consumption design, compatible with industrial control cabinet power supply standards.

Isolation voltage: 1500V AC/DC (port isolated from the internal circuitry of the system).

Protection mechanism: Built-in overcurrent, overvoltage, short circuit and reverse polarity protection circuits, automatically cuts off power supply in case of faults, protecting the safety of the module and system equipment.

(III) Environmental parameters

Operating temperature: 0℃ to + 40℃ (standard for Cisco WS-C2950 series), compatible with the normal temperature control environment of industrial control cabinets.

Storage temperature: -40℃ to + 70℃, stable performance during long-term storage, no risk of aging and attenuation.

Relative humidity: 5%–95% (non-condensing), tolerant to humid industrial environments, anti-condensation corrosion.

Anti-vibration: Compliant with IEC 60068-2-6 standard, 10–150Hz, 0.1mm amplitude, compatible with the vibration environment inside the control cabinet.

Protection level: IP20 (module body), dust-proof and foreign object-proof, compatible with standard control cabinet installation.

Heat dissipation method: Passive convection cooling, no fan design, reducing fault points and improving long-term operational reliability.

(IV) Physical parameters

Size: Standard 19-inch rack-mounted module (approximately 440mm×44mm×250mm), compatible with Ovation standard control cabinet rack installation.

Weight: Approximately 2.1kg, lightweight design, reducing the load on the cabinet.

Material: Industrial-grade metal casing, internal circuit boards coated with moisture-proof, corrosion-proof three-proof coating, excellent heat dissipation performance, prolonging the equipment lifespan.

Certifications: CE, UL, RoHS, compliant with IEC 61131-2 industrial control standards, compatible with global industrial application scenarios.

Four, Product features

Dual-redundant architecture, zero interruption communication: As a dedicated backup root switch, forming a complete redundancy system with the 1X00093H08 main switch, millisecond-level fault switching, completely avoiding single-point failures in the control network, ensuring the 7×24-hour continuous operation of the DCS system, suitable for power plants, chemical plants and other critical production scenarios.

24-port high-density, compatible with medium and large systems: 24 100M electrical ports design, meeting the access requirements of a large number of I/O modules, controllers and monitoring terminals for the Ovation system, high port density, reducing network layers, simplifying network architecture.

Industrial-grade reliability, compatible with harsh environments: Metal reinforced casing, IP20 protection, anti-vibration shock design, stable operation at 0℃ to + 40℃, strong anti-electromagnetic interference capability, compatible with long-term continuous operation harsh industrial scenarios, average fault-free time (MTBF) ≥ 500,000 hours.

Easy deployment and maintenance, reducing operation and maintenance costs: Standard rack-mounted installation, supports hot swapping, plug-and-play; multiple ways of remote diagnosis and configuration, port status visualization, simplifying network deployment, expansion and fault troubleshooting processes, reducing downtime and operation risks.

Secure isolation design, ensuring control network security: VLAN division, MAC filtering, ACL and other multiple security mechanisms, achieving isolation between the control network and other networks, restricting illegal access, preventing network attacks and data leakage, ensuring the security and integrity of industrial control data.

VII. Application scope Electric power industry: Thermal power, hydropower, nuclear power. The Ovation DCS system, as the backup core switch of the control network, connects the controllers and I/O modules of key equipment such as boilers, steam turbines, and generators, ensuring the stability of the unit control network and adapting to the control scenarios of medium and large-scale power generation units.

Chemical industry: Petrochemical, fine chemical, coal chemical process control systems. Build a redundant control network, connect on-site intelligent instruments, actuators, controllers and monitoring terminals, realize real-time transmission of production data and remote monitoring, adapting to the continuous production requirements of chemical plants.

Metallurgical industry: Steel, non-ferrous metal smelting automation systems. As the backup switch of the control network, ensure reliable interaction of control instructions and status data for equipment such as heating furnaces, rolling mills, and blast furnaces, adapting to the high interference and high continuity production scenarios of the metallurgical industry.

Other industrial scenarios: Ovation DCS system for large-scale water treatment, papermaking, cement and other industries, as the core backup network device, support the redundant architecture of the control network of medium and large-scale systems, ensuring the stability of system data communication.

Six. Installation and Maintenance

(1) Installation Requirements

Installation location: Install on the 19-inch rack of the Ovation standard control cabinet, fix firmly to avoid vibration loosening; reserve ≥ 60mm of heat dissipation space above and below the module to ensure good ventilation and avoid overheating.

Environmental requirements: Control the environmental temperature within 0℃ to + 40℃, humidity 5%–95% (non-condensing); keep away from strong electromagnetic sources, heat sources, avoid direct sunlight and dust accumulation, and clean the cooling channel of the cabinet regularly.

Cable connection specifications: Clearly distinguish the positive and negative poles of 24V DC redundant power supply connection, ensure firm connection without loosening; use industrial shielded network cables for electrical ports, reliable grounding of the shielding layer to reduce electromagnetic interference; protect all network cable connections well to avoid moisture oxidation.

(2) Maintenance Key Points

Regular inspection: Monthly check the appearance of the module, the status of the panel indicator lights and whether the connection is loose, confirm the normal operation of the 24 ports; check the system diagnostic logs to identify potential faults such as port errors and packet loss.

Cleaning maintenance: Every quarter use a dry soft cloth to wipe the surface of the module, ports and cooling channels, remove dust and oil stains to avoid poor port contact or blocked cooling; check the network cable connections, replace aging and damaged cables in time.

Fault troubleshooting: When communication is abnormal, first check if the power supply and connection are normal, then locate the faulty port through the panel indicator lights; check if the main and backup switch redundancy configuration is normal, and switch to the main switch for separate operation if necessary to quickly restore communication.

Replacement precautions: Support online hot plugging, no need to stop the machine for replacement; after replacement, check the module configuration parameters, test the main and backup redundancy switching function and VLAN communication status, and confirm that all ports communicate normally before putting it into operation.

Seven. Order Information

Product model: 1X00093H09

Brand: Emerson (艾默生)

Series: Ovation DCS System 1X Series Industrial Ethernet Switch

Corresponding model: Cisco WS-C2950-24

Packaging: Original anti-static packaging, including product manual, certificate of conformity and installation accessories.

Origin: United States

Warranty: 12 months original factory warranty, support global technical support and after-sales maintenance services.


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