Description

Woodward 9907-163 Digital Turbine Governor Introduction & Technical Specifications
Basic Identification Information
Brand: Woodward (Woodward Inc., USA)
Model: 9907-163
Full official product name: 505 Series Single & Split-Range Digital Steam Turbine Governor
Place of origin: Fort Collins, Colorado, United States
Customs HS Code: 85371090, applicable for industrial turbine automatic speed control electronic equipment

Dimension and Weight
Overall external dimension: 355.6mm width × 279.4mm height × 101.6mm depth (14 inch × 11 inch × 4 inch)
Net weight of standard cabinet-mounted unit: 3.5kg; weight with optional NEMA4X sealed enclosure: 4.1kg
Shell structure: integrated metal chassis with reinforced anti-vibration structure, front panel is flame-retardant engineering plastic with dust-proof transparent protective cover; standard panel embedded installation structure, reserved fixing holes for control cabinet installation; front panel protection grade reaches IP54, optional NEMA4X enclosure upgrades overall protection grade to IP56 for damp and dusty industrial environments.
Electrical Voltage and Current Parameters
Two sets of standard power supply input specifications: low voltage DC range 18VDC~32VDC, nominal 24VDC; high voltage wide-range power supply supports 88VAC~132VAC alternating current and 90VDC~150VDC direct current, adaptive 47Hz~63Hz global industrial power frequency
Normal standby static power consumption: rated 8W; dynamic full-load working power consumption does not exceed 12W
Quiescent standby current under 24VDC power supply: 280mA; peak instantaneous current at actuator output startup: maximum 1.2A
Actuator driving output specification: 2 groups of independent proportional current output channels, adjustable 4mA~20mA analog driving signal; relay contact rated load: 250VAC/5A, 30VDC/5A
Built-in power input protection circuit including reverse polarity prevention, overcurrent fuse protection, lightning surge suppression and electrostatic discharge protection.
Signal Input & Control Performance Parameters
Speed detection input: supports 2-channel magnetic pickup unit (MPU) frequency signal input, measurable frequency range 50Hz~10000Hz, speed measurement precision ±0.05% full scale
Programmable control parameters: rotational speed setting range 0~12000rpm, speed adjustment response delay adjustable from 5ms to 1000ms, critical speed avoidance threshold freely configurable
Analog input channel: 6 groups of programmable 4~20mA analog signal input ports for pressure, temperature and external load sampling
Action response speed: speed closed-loop regulation response time less than 8ms, fast correction for sudden load fluctuation
Applicable ambient temperature: continuous stable operating temperature range -20℃ ~ +65℃; long-term storage temperature range -40℃ ~ +105℃
Anti-vibration standard: complies with US MIL-STD-810C military vibration impact standard.
I/O Interface & Communication Configuration
Digital input terminals: 16 groups of isolated passive contact input channels, used for external emergency shutdown, remote start-stop, interlock blocking signal access
Output configuration: 2 actuator proportional current outputs, 8 groups of programmable alarm relay outputs, 6 groups of auxiliary analog current outputs
Communication interfaces: RS232 and RS422 dual serial ports, compatible with Modbus-RTU and Modbus-ASCII communication protocols, supporting real-time data uploading, remote parameter modification and fault record reading
Human-machine interaction: front panel equipped with 30-key operation keypad and two-line LED display screen, each line displays 12 characters, real-time display of actual speed, set value, fault codes and operating state parameters.
Core Functional Characteristics
Integrates complete automatic startup logic, automatically completes turbine warm-up, acceleration and speed stabilization without manual intervention; built-in critical speed avoidance function, automatically bypasses dangerous speed section to prevent unit resonance damage; multi-mode speed regulation switching, supporting isochronous constant speed mode and droop load-sharing mode for generator parallel operation; full-time hardware and software automatic self-diagnosis function, continuously detecting circuit faults, signal loss and internal chip abnormalities, locking control output and displaying fault codes once failure occurs; flexible cascade control and valve limit function, limiting maximum steam intake to protect turbine mechanical structure; strong EMC anti-electromagnetic interference performance, stable operation under high harmonic interference environment of power plant and converter equipment; menu-based parameter configuration, supporting offline parameter backup and one-key recovery, greatly shortening on-site commissioning time; modular integrated structure, convenient disassembly and replacement, long design service life up to 100,000 continuous operating hours; fully compatible with mainstream steam turbine hydraulic actuators and global DCS automation systems, standard 1-year global manufacturer warranty.

♦…♦♦…♦♦…♦♦…♦♦…♦♦…♦♦…♦♦…♦♦…♦♦…♦♦…♦♦…♦♦…♦♦…♦♦…♦♦…♦♦…♦♦…♦♦…♦♦…♦♦…♦♦…♦♦…♦

Shipping:
1. Your item will be shipped to all countries via EMS, unless one country cannot be shipped via EMS. We will choose DHL, UPS, or FedEx. Please leave us your phone number.
2. We will ship the product to you on the same day or within 1-2 working days after receiving your payment. The shipping time depends on the country/region where you reside, the customs and habits of your country/region, and especially during peak hours.
3. Assuming (assuming) that the item requires payment of tariffs from your country, the buyer is obligated. We are not responsible for any taxes or customs fees in your country/region.

Return Policy:
1. Please contact us before returning the item.
2. The buyer should inform the seller of all returned items within 7 days after receiving the package. We reserve the right to reject any request to inform the seller for more than 7 days.
3. Returned products must have all original packaging and be in good condition.

Response policy:
If you are satisfied with the purchase, please leave us an active response.
2. If you have any questions about the outcome of the transaction or product, please contact us first and we will do our best to satisfy you!
3. Please do not reply with negative feedback before contacting us!

Related models:

Woodward  8440-2088 

WOODWARD 9907-028

WOODWARD 5501-367

Woodward 5417-1251

Woodward 8440-2150