Woodward 9905-973 Relay Module

FAQ

Q1: What is the main function of the 9905‑973 module?
A1: It controls external devices via relay channels, commonly used for switch control in gas turbines and power systems.

Q2: How many relay channels does the module have?
A2: 8 independent relay output channels.

Q3: What power input does the module require?
A3: 18‑32 V DC.

Q4: What is the switching capacity per relay?
A4: Rated 24 V DC, 16 A.

Q5: How does the module communicate with the control system?
A5: Via LinkNet bus, supporting up to 64 nodes.

Q6: What is the module’s isolation rating?
A6: Provides 1,000 Vrms isolation between network and I/O.

Q7: What is the operating temperature range?
A7: –40°C to +85°C.

Q8: Does the module provide status indication or fault diagnostics?
A8: Yes, it has a reset button and a fault-indicating LED.

9905-973 Relay Module Woodward

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