Woodward 505 Digital Control System Protection

System Protection：

· Integral Overspeed Protection Logic & Test Capability

· First-out Indication (15 individual shutdown inputs)

·External Alarm Indication (15 individual alarm inputs)

· Stuck in critical speed band logic 

· Bumpless transfer between control

·Local/Remote control priority and selection

· Internal CPU watchdog circuit in case of failure

· Password security for operation and configuration modes

Control Specifications

INPUTS

·Power:     LV models = 18–36 Vdc

                HV models = 88–264 Vac & 90–150 Vdc

· Speed:    2 Passive MPUs or 2 Active Proximity probes(0.5—35 000 Hz)

· Discrete Inputs: 20 Configurable Contact Inputs (optionally 16 additional inputs via LinkNet-HT modules)

· Analog Inputs: 8 Configurable 4–20 mA Input (optionally 16 additional 4-20mA inputs via LinkNet-HT modules)

(optionally 8 additional RTD inputs via LinkNet-HT modules)

OUTPUTS

· Valve/Actuator Drivers: 2 Actuator Outputs, 4–20 mA or 20–200 mA

·Discrete Outputs 8 configurable Relay Outputs;  contacts rated 24 Vdc @ 5 A.

· Analog Outputs: 6 Programmable 4– 20 mA Current Outputs

COMMUNICATIONS

· Ethernet: 4 ports (Modbus TCP or OPC protocols)

· Serial: 1 Modbus port (ASCII or RTU) Comm Ports (RS-232 or RS-485 compatible)

· CAN: 4 ports (Woodward CANopen protocol)

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