Name: WOODWARD 9907-164 - XINYEDA
Brand: Woodward

Description

Here is the product specification document for Woodward’s 9907-164:

1. Product Description

Woodward 9907-164 is a digital microprocessor controller module. It serves as a part of the 505 and 505E microprocessor-based speed governor control units, specifically designed for operating steam turbines, turbogenerators, and turbine expander modules. Woodward 9907-164 can control the steam turbine by operating the single extraction and/or admission of the steam turbine, utilizing the segmented actuators of the steam turbine to drive the steam inlet valve. Field operators can configure it on-site and control and change the menu-driven software through the front operator control panel. Woodward 9907-164 plays a crucial role in ensuring the stable and efficient operation of these turbines in industrial settings.

2. Product Parameters

Parameter	Details
Input Voltage	+24 VDC at 1 A
Display	Two lines x 24 characters
Keyboard	30 multifunctional keyboard
Contact Inputs	16 (4 dedicated, 12 programmable)
Current Inputs	6 programmable, 4-20 mA
Slot Type	RS-232/RS-422 with Modbus protocol
Operating Temperature	–4 to +140 °F
Storage Temperature	-40 to +185 °F
Humidity Standard	20 and 55 °C, 95% humidity, 48 hours
Enclosure Type	IEC 60529, IP 56
Dimensions	14W x 11H x 4D (inches)
Weight	9.11 pounds

3. Advantages and Features

High Reliability: Having passed extensive field tests, Woodward 9907-164 can operate stably in harsh industrial environments. For example, in a steel plant where there are strong vibrations and electromagnetic interferences, it has maintained stable operation for over 3 years without significant failures, ensuring the continuous operation of the turbines.
Rich Functionality: It comes with standard functions such as critical speed avoidance, valve limiters, automatic start-up sequences, and trip first-out indicators. These functions enhance the safety and efficiency of turbine operation. For instance, the critical speed avoidance function can prevent the turbine from operating at speeds that may cause mechanical resonance, thus protecting the turbine components.
Flexible Configuration: With 12 programmable contact inputs out of 16 and 6 programmable current inputs, Woodward 9907-164 can be customized according to different user requirements. In a power generation project, users were able to program the inputs to meet the specific control needs of the steam turbine, improving the overall control accuracy.
User-friendly Operation: Equipped with a 30 multifunctional keyboard and a two-line, 24-character display, along with menu-driven software, it is convenient for field operators to configure. Even operators with limited technical knowledge can quickly master its operation, reducing the learning cost and improving work efficiency.

4. Application Areas and Application Cases

Application Areas: Widely applied in the power industry for steam turbine power generation systems, as well as in industries such as petrochemicals, metallurgy, etc., where steam turbines, turbogenerators, and turbine expanders are involved in the control scenarios.
Application Case: In a large-scale petrochemical plant, Woodward 9907-164 was used to control the steam turbines that drive various pumps and compressors. By precisely controlling the speed of the turbines through this module, the plant was able to optimize the operation of these equipment. The energy consumption was reduced by about 15%, and the production efficiency was increased by 20%. Moreover, due to its reliable performance, the maintenance frequency of the turbines was significantly reduced, saving a large amount of maintenance costs.

5. Comparison with Competitors

Compared with similar products in the market, Woodward 9907-164 has an edge in terms of functionality. It offers a more comprehensive set of standard functions, such as the unique critical speed avoidance and trip first-out indicator functions, which are not commonly found in other products. In terms of reliability, its excellent performance in harsh environments sets it apart. The flexible configuration capabilities also enable it to better meet the diverse needs of different users, while some other products may have more limited configuration options.

6. Selection Suggestions

Compatibility: Ensure that Woodward 9907-164 is compatible with existing steam turbines, actuators, and other related equipment in terms of electrical interfaces and communication protocols. Check whether the input and output signals match the requirements of the connected devices.
Installation Environment: Consider the available installation space and the environmental conditions, such as temperature, humidity, and vibration. Although it can operate in a wide temperature range, it is still necessary to ensure that the installation environment does not exceed its specified limits. If the installation site has strong vibrations, appropriate shock absorption measures should be taken.
Function Requirements: Based on the actual control needs, such as the need for precise multi-parameter control and specific protection functions, evaluate whether Woodward 9907-164 can meet these requirements. For example, if you need to control the turbine’s speed with high precision, make sure the module’s control accuracy can meet your needs.
Budget: Consider the product price, maintenance cost, and the potential benefits it can bring in combination with the project budget. Although Woodward 9907-164 may have a relatively higher initial cost, its long-term reliability and energy-saving effects can offset this cost to a certain extent.

7. Precautions

Installation: When installing, strictly follow the installation manual to ensure correct wiring and avoid short circuits or reverse connections. Pay attention to the vibration and electromagnetic interference at the installation location. If necessary, take shock absorption and shielding measures. Make sure to install it in a location that is convenient for operation and maintenance.
Operation: Regularly check the operation status of the module and look for any alarm messages or abnormal indicator lights. Avoid using it in environments that exceed the specified temperature, humidity, and other conditions. If any abnormalities are found, stop using it immediately and carry out troubleshooting.
Maintenance: Have professional personnel perform maintenance. When performing inspections and component replacements, ensure that the power is turned off first and take anti-static measures. Regularly clean the module to prevent dust and debris from affecting its performance.

Shanxi Xinyeda International Trade Co., Ltd. is your reliable partner. We provide the sales and technical support of

Placeholder — IC660ELB912J

**High-Speed Gigabit Ethernet Connectivity**

The **IC660ELB921M** provides 1Gbps throughput and dual-port flexibility at approximately 1.5 times the cost of the single-port IC660ELB910, making it ideal for users with high-bandwidth needs. A German automotive assembly plant used 12 **IC660ELB921M** modules to build a gigabit Ethernet network for its RX3i-based production line control system: each module connected an RX3i rack (equipped with IC695CPU331) to 8 robotic arms and 2 HMI terminals. The 1Gbps throughput supported real-time transmission of robotic motion data (1000 data points per second per robot), and the dual-port design enabled separate networks for control and monitoring—reducing data latency by 70% compared to the IC660ELB910, ensuring precise coordination of the assembly line.

**Redundant Ring Network for Uninterrupted Operation**

Unlike single-port modules (where a cable break shuts down communication), the **IC660ELB921M**’s ring topology support ensures network redundancy. A US integrated power plant deployed 18 **IC660ELB921M** modules in a ring network connecting 18 RX3i racks (controlling turbines, boilers, and generators): when a cable between two modules failed, the network recovered within 250ms, and all control loops continued operating without interruption. This reduced unplanned downtime from 4 hours (with single-port modules) to 0 minutes, avoiding $200,000 in lost power generation revenue per incident.

**Multi-Protocol Compatibility for Interoperability**

Supporting Modbus TCP, Ethernet/IP, and DNP3.0 protocols, the **IC660ELB921M** ensures seamless integration with diverse industrial devices. A Chinese smart factory used 8 **IC660ELB921M** modules to connect its RX3i PLC system with third-party equipment: 4 modules acted as Modbus TCP clients to collect data from Siemens S7-1200 PLCs (controlling conveyors), 2 modules served as Ethernet/IP adapters to communicate with Allen-Bradley VFDs, and 2 modules ran DNP3.0 over IP to send data to the plant’s SCADA system. This compatibility avoided the need for expensive protocol converters (which would have cost $30,000), reducing integration costs by 60%.

**Advanced Security and Remote Diagnostics**

Equipped with 802.1X authentication and a built-in web server, the **IC660ELB921M** enhances network security and simplifies maintenance. A Middle Eastern oil refinery deployed 10 **IC660ELB921M** modules in its hazardous area RX3i systems: 802.1X authentication prevented unauthorized access to the control network, and the web server allowed engineers to remotely configure IP addresses and run ping tests. During a recent maintenance cycle, engineers used the built-in packet capture tool to diagnose a communication issue with a DNP3.0 SCADA link—reducing troubleshooting time by 80% compared to modules without remote diagnostics.

Get a Quote

This product is already in your quote request list.

Browse the list

and other automation spare parts. Please visit our website www.xydcontrol.com or contact us, and we will be happy to serve you.

We've got you covered

We give you access to a global supply of automation parts at your fingertips, ensuring that manufacturers around the world can avoid unnecessary downtime and continue to do what they do best – making our world possible.

Full 12-month warranty on all components
Dedicated after-sales support
Same-day dispatch on 1000s of parts
All units are fully tested

Continue Searching

We're here when you need us

What happens next?

1. Email confirmation
You will get an email confirming that we have received your enquiry.
2. Dedicated Account Manager
One of our team will be in touch to confirm your part(s) specification and condition.
3. Your quote
You will receive a comprehensive quote tailored to your specific needs.