Description
The WOODWARD 9907-1200 is a CPC-II electro-hydraulic converter of the WOODWARD Turbine Control System. It is a key component for turbine control, converting electrical signals into hydraulic signals to ensure stable turbine operation. It is widely used in power plants, petrochemical and marine fields. The WOODWARD system also includes other models such as 9907-1183, 9907-252, 8200-1302 and 5466-409. These products work together to form a complete industrial control and automation solution.
WOODWARD 9907-1200
Parameter Introduction
· Brand: WOODWARD
· Model: 9907-1200
· System: WOODWARD Turbine Control System
· Product Name: CPC-II Electro-hydraulic Converter
· Input Voltage: 24V DC (±10%), 110V AC Optional
· Number of Channels: 2 Analog Input Channels, 1 Analog Output Channel, 2 Alarm Output Channels
· Communication Protocol: Modbus RTU, RS485
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.
WOODWARD 9907-1200
Drop-in Replacement (✅)
· ABB 3BSE018161R1 (PM866) → ABB 3BSE050198R1 (PM866A)
– Differences: The memory of PM866A is upgraded from 32MB to 64MB, and the rest are fully compatible.
– Note: Firmware ≥V5.1 is required, and old versions need to be upgraded.
– Price: About 15% more expensive
Replacement Examples (WOODWARD Models)
| Original Model | Replacement Model | Compatibility | Main Differences | Modification Content | Cost Impact |
| WOODWARD 9907-1200 | WOODWARD 9907-1200E | ✅ Drop-in Replacement | Enhanced anti-interference performance, same signal conversion precision | None (firmware ≥V7.5 required) | +16% |
| WOODWARD 9907-1200 | WOODWARD 9907-1183 | ✅ Drop-in Replacement | Compact structure, identical electro-hydraulic conversion function | None | +8% |
| WOODWARD 9907-1200 | WOODWARD 8200-1302 | ⚠️ Software Compatible | Integrated HMI, added remote control function, same hardware interface | Re-download program and upgrade firmware | +32% |
| WOODWARD 9907-1200 | WOODWARD 2301E | ❌ Hardware Modification Required | New generation load sharing controller, different interface and control logic | Rewire, replace terminals and reconfigure parameters | +160% |
WOODWARD 9907-1200
Recommended Other WOODWARD Product Models
In addition to the WOODWARD 9907-1200, the brand provides a variety of products to meet different industrial control and turbine control needs, with the following key models and their functions:
| Model | Key Functions |
| WOODWARD 9907-1183 | Digital turbine governor, core component of turbine control system, with reliable speed and load control performance. |
| WOODWARD 9907-252 | ATEX-certified digital governor, suitable for electro-hydraulic control in explosive industrial environments such as petrochemical plants. |
| WOODWARD 8200-1302 | Digital turbine governor with integrated HMI, easy to configure and operate, suitable for complex turbine control scenarios. |
| WOODWARD 5466-409 | Industrial power supply module, providing stable 110-240V AC input and 24V DC backup for the entire control system. |
| WOODWARD 8406-113 | New generation digital control power module, integrated with precise control functions, suitable for high-demand industrial automation systems. |
