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8555-958 WOODWARD

Brand:  WoodWard

Model number:8555-958

Colour:new                  

Warranty: 12 months

Lead Time:3-day working day   

Country of origin: USA Price: Please contact us         

Product weight:0.85kg

Shipping Port:  China

Payment: Bank of Chicago, Bank of Singapore

Express cooperation: fedex, DHL, UPS and your express account

Service: Professional Sales provides 24 hours /7 days online service

8555-958   WOODWARD

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Products Name: 8555-958 WOODWARD

PRODUCT DESCRIPTION

All other units in the engine control system must be adjusted and working correctly before operating the synchronizer. While operating the engine to make 

adjustments on the other units, the synchronizer mode switch (user supplied) must be in the OFF position.

Benefits:

Speed range is set on an internal dip switch, available inside the steel cover of 

the control. Speeds are set according to the sensor output frequency. The 

relationship between prime-mover speed and sensor-output frequency is 

expressed in the formula: Sensor Frequency in Hz equals the number of teeth on 

the speed-sensing gear times the revolutions per minute of the sensing gear, 

times the ratio of the engine speed to the sensing gear speed, divided by 60. 

Reverse Acting 

Most reverse acting 2301A Speed Controls will operate Woodward EGB 

governor/actuators. In reverse-acting systems, the actuator calls for more fuel 

when the actuator current decreases. Complete loss of signal to the actuator will 

drive the actuator to full fuel. This allows a backup mechanical ballhead governor 

to take control rather than shut down the prime mover as would a direct-acting 

system. 

External wiring connections for reverse-acting controls are identical to those for 

direct-acting controls. However, changes must be made to the printed circuit 

board should a control need to operate the opposite type of actuator. Contact 

Woodward should it be necessary to change the type of 2301A Speed Control. 

Changing the supply voltage rating requires exchanging the unit for the properly 

rated control. 

References 

The following Woodward publications contain additional product or installation 

information on speed controls and related components. These publications are 

available on the Woodward website (www.woodward.com). 

Manual 

25070 Electronic Control Installation Guide 

82510 Magnetic Pickups and Proximity Switches for Electronic Controls 

82514 Speed Setting Potentiometers 

82343 Digital Reference Unit 

Product Specification 

82516 EG-3P/-6P/-10P Actuators 

82575 EGB-1P/-2P Governor/Actuator 

Declaration of Incorporation 

In accordance with the EMC Directive 89/336/EEC and its amendments, this 

controlling device, manufactured by the Woodward Governor Company, is 

applied solely as a component to be incorporated into an engine prime mover 

system. Woodward declares that this controlling device complies with the 

requirements of EN50081-2 and EN50082-2 when put into service per the 

installation and operating instructions outlined in the product manual. 

NOTICE: This controlling device is intended to be put into service only upon 

incorporation into an engine prime mover system that itself has met the 

requirements of the above Directive and bears the CE mark.

8440-1019   WOODWARD

Shipping Port:  China

Payment: Bank of Chicago, Bank of Singapore

Express cooperation: fedex, DHL, UPS and your express account

Service: Professional Sales provides 24 hours /7 days online service

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