Product overview
The WOODWARD 5437-1067A is a high performance speed board from Woodward designed for industrial automation and critical equipment control. The module uses advanced microprocessor technology to support high-precision motor speed regulation, which is suitable for industrial robots, power systems, petrochemical equipment and new energy fields (such as wind power generation). Its core features include multi-mode speed regulation (analog, PWM, serial communication) and redundant control architecture, which can significantly improve the efficiency and stability of equipment operation while reducing energy consumption 112.

As a key component of the Woodward ProTech-GII series of fault detection systems, the 537-1067A uses a “3 out of 2” voting redundancy architecture with support for three non-voting trip relay outputs, allowing the system to operate in the event of a single module failure, ensuring safe shutdowns of hydraulic, gas and steam turbs12. It is designed to comply with IEC 61508 and IEC 61511 safety standards and is suitable for industrial environments with high reliability requirements.

Technical specification
Parameter Name Parameter value
Product model 5437-1067A
Manufacturer Woodward
Product Type Governor Board (Redundant control module)
Input voltage 90-264 VAC (47-63 Hz) or 100-150 VDC
Output power 30 W/ module
The inrush current is 10 A at 115 VAC and 20 A at 220 VAC
Operating temperature -20°C to +60°C
Redundant architecture 2-out-of-3 voting mechanism
Protection Grade Sulphur-resistant conformal coating (3C2 grade environment application)
Safety Certification SIL 3 (Safety Integrity Level 3)
The communication interface supports industrial protocols such as Modbus 112
Main features and advantages
Redundancy and high reliability

With a “3 out of 2” voting mechanism and independent relay design, the system can continue to operate in the event of a single module failure, significantly reducing the risk of downtime. Built-in electromagnetic interference (EMI/RFI) protection and anti-vibration design for harsh industrial environments 1215.

Multi-mode speed regulation and integrated control
Support analog (4-20 mA/ 1-5 VDC), PWM and serial communication speed regulation, compatible with PLC and DCS system. Integrated acceleration/deceleration ramp control to optimize equipment dynamic response and reduce mechanical shock 115.

Intelligent diagnosis and easy maintenance
Built-in self-check function and LED status indicator, real-time monitoring of voltage fluctuations, temperature anomalies and communication status. Support for hot swap replacement, the average maintenance time (MTTR) is reduced to less than 15 minutes, reducing maintenance costs.12

Energy saving and environmental protection
The precise control of motor speed optimizes energy consumption, reduces energy waste and meets the requirements of green production. In typical application scenarios, energy consumption can be reduced by 15%-20%.