Woodward 9987-961 Digital Control Module

Product Brief Introduction Rack-mounted digital control module for prime mover and generator control systems. It collects field sensor signals, executes governing and protection algorithms, and outputs drive commands to field actuators and relay units.
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Technical Specifications 24VDC operating power; multi-channel pulse, analog and discrete signal interfaces; on-board non-volatile memory for parameters and fault events. Operating temperature: -40℃ ~ +85℃.

Functional Features Multi-type signal acquisition; speed and load control logic; fault self-diagnosis; timestamp alarm and event recording; communication with HMI and SCADA.

Application Scenarios Gas engine, diesel genset and small turbine integrated control cabinets.

Performance Parameters High-speed signal processing, stable operation under strong electromagnetic interference, reliable long-term continuous running.

Structural Characteristics Rack pluggable PCB with shielding structure, onboard terminal blocks for signal and power wiring.

Working Principle The module receives speed, pressure, temperature and status signals from field devices, runs pre-programmed control and protection logic, distributes output control commands and transmits operating data to upper monitoring system.

Installation Requirements Install in ventilated, dust-proof cabinet; separate weak signal cables and high-power cables. Wear anti-static wristband during replacement.

Usage Notes Backup configuration parameters before maintenance or replacement; verify all signal channels after commissioning.




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