WOODWARD SPM-D11 8440-1706 Module

8440-1706 has circuit breaker control, power factor and load factor control functions, and also provides multiple functional options such as synchronous load sharing and generator protection. It can be flexibly configured according to different application scenarios and needs to meet the control requirements of complex power systems.
Supports monitoring and measurement of two-phase generator voltage, bus voltage and single-phase generator current, with a measurement range of up to 100VAC/5A input, providing accurate data basis for precise control and protection.
The power supply is 12/24VDC, which can be easily integrated into the existing electrical system and adapt to different power supply environments.
The compact design and rugged structure can ensure long-term stable operation even in harsh working environments. Its wide operating temperature range, storage temperature of - 55°C to 105°C, operating temperature of - 40°C to 70°C, and ambient humidity of up to 95% at 38°C, can meet the needs of various industrial applications.
It can be used with Woodward or other compatible speed controllers and automatic voltage regulators, suitable for various types of AC generators, and in complex power systems, it can support up to 8 The application of bus segments can achieve accurate parallel connection and control of up to 32 generators.
Equipped with an integrated LCD display with two-line display function, it can provide system diagnosis and alarm information, allowing users to understand the equipment operation status in real time and perform maintenance and troubleshooting in a timely manner.

Technical parameters：
Input and output interface: analog input 4-20mA/1-5VDC; analog output speed deviation is ±2.5VDC, 0.5-4.5VDC, 1-5VDC across 243 ohms, or 500Hz PWM, voltage bias up to ±9VDC, down to ±3VDC; discrete input 18-40VDC, 10mA; relay driver outputs 18-40VDC at 200mA sink.
Accuracy level: voltage accuracy level 0.1, current AC input 5A true RMS, accuracy IAC 0.5 level.

As a well-known manufacturer with more than 130 years of experience in engine controller design and manufacturing, Woodward has strict standards and specifications for its product design and production process. The 8440-1706 load sharing synchronizer module adopts high-quality electronic components and a rugged and durable structural design. It has good anti-interference ability and stability, and can operate stably for a long time in harsh working environments, which lays the foundation for its long service life.
The module has a wide operating temperature range, with a storage temperature of - 55°C to 105°C, an operating temperature of - 40°C to 70°C, and an ambient humidity of up to 95% at 38°C, which can meet the needs of various industrial applications. Even in relatively harsh industrial environments, it can maintain good performance and reliability, reduce damage and failures caused by environmental factors, and thus extend its service life.
In some applications in power generation systems, industrial automation and other fields that are used and maintained normally, many Woodward 8440-1706 load sharing synchronizer modules have been running stably for more than 10 years, and there have been no serious failures or significant performance degradation.