EMERSON 1X00474G02 Product Description

I. Product Overview

The Emerson 1X00474G02 is a 8-channel high-speed analog input card (High-Speed Analog Input Card) of the 1X series from the Emerson Ovation DCS system. It is specifically designed for high real-time and high-precision data acquisition scenarios, responsible for converting analog signals from field transmitters and sensors into digital signals and uploading them to the controller for calculation and monitoring.

This card features high-density channels, 16-bit high-precision ADC, high-speed sampling circuitry, full-channel isolation, and enhanced EMC design. It is suitable for rapid process monitoring and closed-loop control circuits in industries such as power, chemical, oil and gas, and metallurgy. It is compatible with the Ovation standard I/O rack and redundant architecture and is the core I/O unit for dynamic process data acquisition. 

II. Core Functions

8 high-speed and high-precision sampling, flexible signal adaptation

Provide 8 independent isolated analog input channels, each channel supporting 4–20mA (default), 0–20mA, 0–10V, –10–10V, RTD, TC software configuration switching; using 16-bit resolution ADC, with a sampling accuracy of **±0.05% FS (25℃), a sampling period of ≤1ms (single channel)**, a linearity of ≤±0.01% FS, a temperature drift of ≤15ppm/℃, meeting the precise and real-time collection requirements for rapidly changing process parameters.

Full-channel electrical isolation + multiple protections, strong anti-interference

Each channel has 1500V AC/1min independent electrical isolation, completely isolated between channels and between channels and the bus, blocking ground potential difference and common-mode interference; built-in seven protections: overcurrent, overvoltage, short circuit, reverse polarity, surge, ESD, overheating, with input short circuit automatically limiting current, self-recovery upon fault removal; compliant with EN 61000-6-1/2/3/4, CE, UL 508, CSA, RoHS standards, suitable for harsh environments with strong electromagnetic, humidity, salt fog, etc.

High-speed redundant bus communication, real-time and reliable

Communicate with the controller through the dedicated 10Mbps high-speed redundant I/O bus of Ovation, data transmission delay **≤80μs**, supporting bus redundancy and card redundancy configuration; when the main card fails, the standby card seamlessly switches (less than 500μs), without data interruption, completely eliminating single-point failure, ensuring the stability of data collection in critical continuous production circuits.

Full-state LED + remote deep diagnosis, efficient operation

The panel is equipped with high-brightness LED indicators for power supply, operation, fault, and channel status, intuitively displaying power supply, operation, communication faults, and each channel abnormalities (short circuit / open circuit / overcurrent); supports remote online diagnosis of the Ovation system, which can upload real-time parameters such as card temperature, channel sampling values, fault codes, and communication status, accurately locating faults, significantly reducing troubleshooting time.

Online hot-swappable + compact rugged design, flexible deployment

Adapt to the Ovation standard I/O rack slot installation, support online hot-swappable replacement, no system downtime,不影响 other channels operation； uses rugged PCB + three-proof coating (damp-proof / salt fog-proof / corrosion-proof)， operating temperature **‑40℃ to + 70℃**， anti-vibration (5g rms， 10–500Hz)， anti-shock (30g， 11ms)， compact size， high-density installation， saving cabinet space.

III. Technical Specifications

(1) Channel Configuration

Number of channels： 8 independent isolated analog input

Input signals： 4–20mA (default)， 0–20mA， 0–10V， –10–10V， RTD (Pt100/Pt1000)， TC (K/S/T/E/J)

Resolution： 16 bits (0.0015% FS)

Sampling accuracy： ±0.05% FS (25℃)

Sampling period： ≤1ms (single channel)

Linearity： ≤±0.01% FS

Repeatability： ≤±0.02% FS

Temperature drift： ≤15ppm/℃ (‑40℃ to + 70℃)

(2) Electrical Parameters

Input impedance：

Current mode： ≥1MΩ (4–20mA)

Voltage mode： ≥10MΩ (0–10V/–10–10V)

Isolation strength： 1500V AC/1min (between channels， channel-to-bus)

Insulation resistance： ≥10MΩ (500V DC)

Protection functions： overcurrent， overvoltage， short circuit， reverse polarity， surge， ESD， overheating Communication interface: Ovation high-speed redundant I/O bus (10Mbps)

Communication redundancy: Supports bus redundancy and card redundancy

(III) Environmental parameters

Operating temperature: -40°C to +70°C (full load without reduction)

Storage temperature: -40°C to +85°C

Relative humidity: 5%–95% RH (no condensation)

Anti-vibration: 5g rms, 10Hz–500Hz

Anti-shock: 30g, 11ms half-sine wave

EMC performance: EN 61000-6-1/2/3/4, CE, UL 508, CSA, RoHS

Protection level: IP20 (card body)

Three-proof performance: Moisture-proof, salt fog-proof, corrosion-proof (MIL-STD-810)

(IV) Physical parameters

Size: 198mm × 120mm × 25mm (length × width × thickness)

Weight: Approximately 380g

Material: Industrial-grade PCB + aluminum alloy panel, three-proof coating

Installation method: Ovation standard I/O rack slot type

Certifications: CE, UL 508, RoHS, CSA

Origin: USA

Four, Product features

High-speed sampling + 16-bit high precision, suitable for rapid acquisition circuits

1ms ultra-fast sampling and 16-bit high precision, suitable for temperature, pressure, flow, etc. parameters that require rapid monitoring, compatible signal types are wide, no additional conversion module is needed.

Full-channel isolation + seven-level protection, stable in extreme conditions

1500V isolation to block interference, seven-level protection covers short circuit, overvoltage and other faults, self-recovery ability is strong, suitable for harsh industrial environments with strong electromagnetic, humidity, salt fog.

Redundant communication + card redundancy, eliminating single-point failure

High-speed redundant bus + card redundancy, switching time < 500μs, no data interruption, ensuring continuous 24/7 acquisition of key circuits.

Hot plugging + remote diagnosis, low maintenance cost

Online hot plugging without downtime, LED intuitive display of status, remote diagnosis accurately locates faults, significantly shortens maintenance time, reduces maintenance costs.

Compact and rugged + wide temperature operation, flexible and durable deployment

Compact size saves cabinet space, rugged structure + three-proof coating, -40°C to +70°C wide temperature operation, anti-vibration and shock resistance, low failure rate during long-term operation.

VII. Application scope

Power industry: Ovation DCS boiler for thermal power and hydropower, control station for turbine, collect key parameters such as temperature, pressure, flow, level, suitable for strong electromagnetic and high-temperature conditions, ensuring stable monitoring of power generation parameters.

Chemical industry: Ovation DCS control station for petrochemical and coal chemical reaction vessels, distillation towers, collect temperature, pressure, liquid level signals in explosion-proof areas, suitable for explosion-proof and corrosive gas environments, ensuring continuous production data acquisition.

Oil and gas industry: Ovation control station for oil and gas platforms, long-distance pipelines, collect field temperature, pressure, flow signals, suitable for sandstorms, salt fog, extreme temperature environments.

Metallurgical industry: Ovation DCS main control cabinet, remote I/O station for steel, non-ferrous metals heating furnaces, rolling lines, collect temperature, pressure signals in high-temperature and high-dust environments, suitable for strong electromagnetic interference conditions.

Other industries: Ovation DCS main control cabinet, remote I/O station for large-scale water treatment, papermaking, cement, etc., collect sensor and transmitter signals on site, suitable for long-distance, strong interference conditions.

VII. Installation and maintenance

(1) Installation requirements

Installation location: Any vacant slot of Ovation standard I/O rack, reserve ≥50mm above and below, and ≥20mm left and right for heat dissipation space, away from strong heat sources, frequency converters and other strong electromagnetic sources. Installation Specifications: Wear an anti-static wrist strap, push the card smoothly into the slot, ensure good contact of the back panel, and tighten the panel screws; In redundant configuration, install the two cards in adjacent slots for easy maintenance.

Wiring Specifications: For the input side, use shielded twisted pair (0.75–1.5mm²), with the shielding layer grounded at one end; Current mode input impedance ≥ 1MΩ, voltage mode ≥ 10MΩ; Tighten the terminal with a torque of 0.8–1.2N・m to prevent loosening and overheating.

(II) Maintenance Points

Regular Inspection: Monthly check the LED status, wiring terminals, and appearance, and check for overheating and loosening; View the DCS diagnostic log and randomly test the channel acquisition accuracy.

Cleaning Maintenance: Clean the surface and ventilation ports with a dry soft cloth or low-pressure compressed air (≤0.5MPa) every quarter. In dusty environments, shorten the cleaning frequency to once a month. Do not use corrosive cleaning agents.

Fault Troubleshooting: For channel abnormalities, first check the wiring and sensors, then locate the fault through the diagnostic log; For communication abnormalities, check the back panel contact and bus cable; For faulty cards, perform hot swapping for replacement.

Replacement Notice: Online hot swapping does not require downtime. After replacement, identify the new card in the DCS system, configure the channel parameters, and test the acquisition to be normal before putting it into use; Store the old card in an anti-static container.

VII. Order Information

Product Model: 1X00474G02

Brand: Emerson (Emerson)

Series: Ovation DCS System 1X Series 8 High-Speed Analog Input Card

Channel Configuration: 8 independent isolated channels, 4–20mA/0–20mA/0–10V/-10–10V/RTD/TC

Sampling / Accuracy: ≤1ms, 16 bits, ±0.05% FS

Input Impedance: Current ≥ 1MΩ, Voltage ≥ 10MΩ

Operating Temperature: -40℃ to + 70℃

Packaging: Original anti-static packaging, including installation manual, certificate of conformity, wiring terminals

Guarantee: 12 months original factory guarantee, global technical support and after-sales maintenance