Woodward 9905-971 16 Channel Discrete Input Module Trusted supplier

FAQ

What is the main function of the Woodward 9905-971 module?
The 9905-971 is designed to acquire and process discrete (on/off) signals from field devices such as switches, relays, and sensors, providing input data for automation and control systems.

How many input channels are available on this module?
The module provides 16 optically isolated discrete input channels, enabling it to handle multiple digital signals simultaneously.

What kind of electrical isolation does the module provide?
Each input channel is isolated from every other channel and from the communication bus with 500 VDC isolation, protecting the system against voltage spikes and electrical noise.

What communication protocol does the 9905-971 use?
It communicates over the LinkNet network using RS-485 or CANopen, ensuring robust and reliable data exchange with other control components.

How are the input channels configured or customized?
Configuration is performed via the LinkNet software utility, allowing users to set logic parameters, input types, debounce filters, and communication settings.

What diagnostic features are available on this module?
The 9905-971 includes built-in diagnostics for detecting short circuits, open circuits, and communication faults, along with front-panel LEDs for visual feedback.

In what types of systems is the 9905-971 typically used?
It is widely used in industrial automation, turbine control, generator management, and process monitoring systems where reliable discrete signal acquisition is required.

What kind of visual indicators does the module include?
It features LED indicators for each input channel, along with power and communication status LEDs, allowing quick and convenient system diagnostics.