WOODWARD 9907-1106 Current pressure converter
Specific Parameters
Electrical Parameters
Operating Voltage 24VDC, supporting stable input without fluctuationInput Signal Type 4-20mA DC pressure demand signalOutput Pressure Range Adapted to the oil pressure requirements of steam turbine valve controlMeasurement Accuracy ±0.2% of full scale, ensuring accurate signal conversionRepeatability 0.1% of full scale, guaranteeing control consistencyResponse Time Total control response time 10-30 milliseconds, quickly responding to regulation needsScan Time 2.5 milliseconds, reducing control errorsCommunication Interface Supports RS485 communication interface for data transmissionProtection Features Built-in overheating protection, overcurrent protection, and short circuit protectionRedundant Design Supports redundant pressure demand input and dual pressure sensor signal votingCertification Standards Complies with IECEX, ATEX, CSA, INMETRO, and GOSTR certification standards
Mechanical Parameters
Overall Dimensions 100mm×50mm×20mm, compact structure saving installation spaceWeight 100g, lightweight design facilitating deploymentMounting Method Rack or panel mounting, compatible with turbine control system layoutHousing Material Industrial-grade corrosion-resistant material, core components made of 440C stainless steelConnection Method Plug-in terminals, compatible with standard control cablesProtection Rating IP20, suitable for indoor industrial control cabinet environmentsStatus Indication Equipped with power, operation, and fault LED indicators to feedback working status in real time
Environmental Parameters
Operating Temperature -40℃ to 85℃, operation without derating over the entire temperature rangeStorage Temperature -55℃ to 105℃, meeting extreme storage and transportation requirementsRelative Humidity ≤95% (non-condensing), suitable for high-humidity industrial scenariosVibration Resistance Complies with IEC 60068-2-6 standard, withstanding conventional operation vibrationsShock Resistance Complies with IEC 60068-2-27 standard, withstanding industrial environment shocksEMC Compliance Complies with industrial EMC standards, with standard anti-external electromagnetic interference capabilityContamination Resistance Supports passage of 40μm-sized impurities, eliminating frequent filter maintenance
Product Performance
Excellent conversion accuracy: ±0.2% full-scale accuracy and 0.1% repeatability for precise valve positioning controlFast response speed: 10-30 milliseconds total response time, adapting to turbine dynamic regulation needsReliable redundant design: Supports dual controller input and dual pressure sensors to avoid single point of failureStrong environmental adaptability: Corrosion-resistant materials and self-cleaning technology tolerate oil contamination and wide temperature environmentsComprehensive protection mechanisms: Multiple protections such as overheating and overcurrent, combined with fail-safe reset function to ensure equipment safetyConvenient installation and maintenance: Compact structure and plug-in terminals reduce deployment and operation and maintenance difficultyWide compatibility: Seamlessly connects with mainstream turbine controllers, adapting to various steam turbine modelsHigh operational stability: Industrial-grade manufacturing process and low-moving-part design extend service life
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