Woodward 9907-019 | Governor | Controller | Potential Converter
1.9907-019 Product Overview
The Woodward 9907-019 belongs to the 505/505E series digital turbine controllers. It is a microprocessor-based control module designed for single-valve steam turbines,
including single extraction/admission systems or split-range actuator configurations.
The controller features a front panel Operator Control Panel (OCP) with a two-line, 24-character display and multi-function keypad, allowing easy on-site configuration and monitoring.
2. 9907-019 Technical Specifications and Parameters
| Parameter | Details |
|---|---|
| Power Supply | +24 VDC, approx. 1 A |
| I/O Outputs | Discrete Outputs: 8 Analog Outputs: 6 Actuator Outputs: 2 |
| Display / HMI | Two-line, 24-character LCD, with multi-function keypad |
| Dimensions | Approx. 14 × 11 × 4 in (35.6 × 27.9 × 10.2 cm) |
| Weight | Approx. 9.11 lbs (4.13 kg) |
| Operating Temperature | –4 to +140 °F (–20 to +60 °C) |
| Storage Temperature | –40 to +185 °F (–40 to +85 °C) |
| Humidity Standard | 95% RH at 20-55 °C for 48 hours without damage |
| Protection Class | Typically meets industrial dust and water protection standards |
| Communication Protocol | Supports Modbus, RS-232 / RS-422 serial interfaces |
3. Brand History
Woodward, Inc., founded in 1870 and headquartered in Fort Collins, Colorado, USA, is a global leader in energy control systems. The company has a long history of innovation in turbine control, engine management,
and power generation systems.
Woodward products are widely recognized for their reliability and precision in demanding industrial and power generation applications.
4. Applications in Industrial Automation
The 9907-019 plays a critical role in industrial automation and power generation environments:
- Steam Turbine Control: Manages startup, speed regulation, and extraction/admission control of steam turbines.
- Power Generation Systems: Used in power plants to regulate turbine-driven generators for stable frequency and load management.
- Compressor and Pump Drive Control: Ensures precise speed control for turbine-driven compressors and pumps.
- Process Industry Applications: Applied in chemical plants, refineries, and other industries requiring precise turbine operation.
- Safety and Protection Functions: Includes overspeed protection, critical speed avoidance, actuator travel limits, and event logging for operational safety.
Extended features
You can set more detailed management permissions for the registration card, including which doors can be accessed on a certain day of the week and from what time to what time.
You can remotely open a door through software, or force it to open or close.
The usage mode of mandatory card+password can be achieved through a password keyboard card reader.
It can be set to a multi card opening state, and all card holders must be present before the door can be opened. This is suitable for vaults, banks, or security and confidentiality institutions.
The alarm function can be activated to sound an alarm for illegal intrusion, prolonged unclosed doors, and coercion.
Anti submarine return and anti tailgating functions can be enabled to prevent following or handing over the card to others after entering.
Multiple levels of administrator permissions can be set, and different administrators have different levels of operational permissions.
Detailed parameters of access control controller
The access control data storage controller, abbreviated as the access control controller, adopts advanced international high-speed computing circuits and Flash
massive storage technology microcontroller design. It integrates processing, storage,
and communication functions on a printed circuit board and has the feature of quickly dismantling the same communication port terminal. The software monitors the
communication activity of each port and uses a memory interface processing unit, which can support microprogram control memory loaded by the higher-level station.
The design of microcontrollers has inherent reliability, and the expansion of transient protection function and automatic self checking function further enhances this reliability.
It can store offline the card reading information, time information, and current status information of the inductive IC card reader in Wiegand26 format. Widely used in induction IC card application systems for access control,
attendance, member management, customer management, parking lot management, etc.
Unlimited expansion space of high-speed intelligent ARM platform based on 32-bit CPU
40000 registered cards and 100000 records dominate the massive storage of products in the same class
Standard professional dual access control power supply ensures long-term stable operation of the system
Even with thousands of large-scale access control systems, card swiping records are instantly reported in real-time
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