Description
The WOODWARD 9907-1183 is a core digital turbine governor of the WOODWARD 505 Control System. It is mainly used to control steam turbines with reliable performance, suitable for power plants, steel mills and marine fields. It supports easy configuration and stable operation. The WOODWARD system also includes other models such as 9907-252, 8200-1302, 2301E and 8273-1012. These products work together to form a complete turbine control and automation solution.
WOODWARD 9907-1183 Product Introduction
· Brand: WOODWARD
· Model: 9907-1183
· System: WOODWARD 505 Digital Turbine Control System
· Product Name: Digital Turbine Governor
· Input Voltage: 18-36V DC Isolated
· Number of Channels: 6 Analog Inputs, 16 Contact Inputs, 2 Analog Outputs, 6 Relay Outputs
· Communication Protocol: Modbus RTU
9907-1183
Compatibility Classification (Three Levels)
- Drop-in Replacement: Hardware interface, firmware and configuration are fully compatible, no any modification required.
- Software Compatible: Hardware interface is the same, but program re-download or firmware upgrade is needed.
- Hardware Modification Required: Wiring modification, terminal replacement or rack adjustment is required.
Replacement Examples (WOODWARD Models)
| Original Model | Replacement Model | Compatibility | Main Differences | Modification Content | Cost Impact |
| WOODWARD 9907-1183 | WOODWARD 9907-1183E | ✅ Drop-in Replacement | Enhanced EMC anti-interference, upgraded firmware, unchanged channels and voltage | None (firmware ≥V7.2 required for old versions) | +20% |
| WOODWARD 9907-1183 | WOODWARD 9907-252 | ✅ Drop-in Replacement | Added ATEX certification, same input/output parameters and control performance | None | +25% |
| WOODWARD 9907-1183 | WOODWARD 8200-1302 | ⚠️ Software Compatible | Integrated HMI screen, more input/output channels, same hardware interface | Re-download program and upgrade firmware in WOODWARD Control Software | +40% |
| WOODWARD 9907-1183 | WOODWARD 2301E | ❌ Hardware Modification Required | New generation digital load sharing and speed controller, different interface and control logic | Rewire, replace terminals and reconfigure control parameters | +170% |
Recommended Other WOODWARD Product Models
In addition to the WOODWARD 9907-1183, the brand provides a variety of products to meet different turbine control and industrial automation needs, with the following key models and their functions:
- WOODWARD 9907-252: Digital turbine governor with ATEX certification, 18-36V DC isolated input, suitable for explosive environment turbine control.
- WOODWARD 8200-1302: Digital turbine governor with integrated HMI, more input/output channels, easy to operate and configure.
- WOODWARD 2301E: Digital load sharing and speed controller, mainly used for generator set load distribution and speed regulation, widely applied in power generation fields.
- WOODWARD 8273-1012: Direct replacement for 8273-139 and 8273-141, used for turbine speed and load control with high reliability.
- WOODWARD 5466-1002: Power supply module for WOODWARD control systems, providing stable power support for the entire control system.
