EPRO PR9268/201-000 Vibration sensor diversification

EPRO PR9268/201-000 Vibration sensor diversification

The control is in the droop mode when EITHER the droop contact or the circuitbreaker auxiliary contact is open (Figure 2-3, B). If the droop contact is open, the control remains in the droop mode even when the circuit-breaker auxiliary contact is closed.Droop operation is required when the generator is paralleled with an infinite bus without a Generator Loading Control, Process Control, Automatic Power Transfer and Load Control, Import/Export Control, or other load controlling accessory, or when paralleled with incompatible governors. (All Woodward electric load-sharing systems are compatible.) When running a single unit on an infinite bus with a Generator Loading Control or Import/Export Control, terminal 14 must be connected to terminal 16 (terminal 0 on high-voltage controls) to connect the Load Matching Circuit to the load-sharing lines. The load-sharing lines must be wired to the Generator Loading Control or Import/Export Control. The circuitbreaker auxiliary contact will then be connected to the Generator Loading Control or Import/Export Control and not to the 2301A Load Sharing and Speed Control.

Power Supply

 Run the power leads directly from the power source to the control, connecting the negative lead to terminal 15, and the positive lead to terminal 16. If the power source is a battery, be sure the system includes an alternator or other batterycharging device. DO NOT apply power to the control at this time. Applying power before a control is completely connected may damage the control.

Minimum Fuel Contact 

The minimum-fuel contact is intended as an optional means for a normal shutdown of the prime mover. It is connected in series with terminal 16 (terminal 0 on high-voltage controls) and terminal 17 as shown in the plant wiring diagram (Figure 1-2). Do NOT remove this jumper from terminal 17 unless a minimum fuel contact is installed; the control will not operate without 18 to 40 Vdc applied to terminal 17. When the contact is closed, the voltage applied to terminal 17 allows the control to move the actuator to any position required for operating conditions. Do NOT use the minimum-fuel contact as part of any emergency stop sequence.

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