GE IC660EBD025 steam turbine card

1. Strip outer insulation from both ends, exposing the braided or spiral wrapped shield. Do not cut the shield on the control end. Cut off the shield on the end away from the 2301A control.

 2. Use a sharp, pointed tool to carefully spread the strands of the shield. 

3. Pull the inner conductors out of the shield. Twist braided shields to prevent fraying.

4. Connect lugs to the shield and to the control wires. Number 6 slotted or round crimp-on terminals are used for most installations. Connect the wires to the appropriate terminals on the control and the shield to the grounding lug below terminal 9. Installations with severe electromagnetic interference (EMI) may require shielded wire run in conduit, double shielded wire, or other precautions. Contact Woodward for additional information.

External Adjustments 

Speed Trim A speed trim potentiometer or digital reference unit is connected to terminals 11 and 12. Use a high quality 100 Ω, 10-turn potentiometer (Woodward part 1657- 537 or equivalent) to provide about ±5% speed adjustment. Terminals 11 and 12 must be jumpered if the speed trim potentiometer or digital reference unit is not used. The 2301A Speed Control will have a jumper installed in the factory and this must be removed if a speed-trim device is used.

Droop Potentiometer 

A 2K potentiometer may be connected to provide a maximum of about 8% droop. Connect the potentiometer (ccw) to terminal 15, (cw) to terminal 14, and wiper to terminal 13. If droop is not desired make no connections to terminals 13 and 14.

Do NOT use the minimum-fuel contact as a part of any emergency stop sequence. The emergency may be caused by a governor malfunction which would also cause a malfunction of the minimumfuel feature. Use of the minimum-fuel contact for an emergency stop sequence could cause overspeed of the prime mover and mechanical damage and personal injury, including death.

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We mainly make spare parts for DCS, PLC, robot control system and large servo system.

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