Name: 9907-014 Woodward Forward Acting Speed Control Module new brand
Price: 2325 CNY
Availability: InStock

Description

Installation & Configuration Guidelines

Location Considerations

When selecting the mounting location, adhere to the following requirements:

Ensure adequate ventilation for cooling

Reserve sufficient space for servicing and repair

Protect from direct exposure to water or condensation-prone environments

Shield from high-voltage/high-current devices or equipment generating electromagnetic interference

Avoid locations with excessive vibration

Maintain an operating temperature range of –40 to +85 °C (–40 to +185 °F)

WARNING: The control must NOT be mounted on the engine.

Shielded Wiring

2.1 General Requirements

All shielded cables must use twisted conductor pairs

Do not tin (solder) the braided shield

All signal lines require shielding to prevent stray signal interference from adjacent equipment

Connect shields to control terminals as illustrated in Figure 2-1 and the Plant Wiring Diagram (Figure 1-4)

Keep exposed wire beyond the shield as short as possible (maximum 50 mm / 2 inches)

Leave the opposite end of the shield open and insulated from all other conductors

Do not route shielded signal wires with cables carrying large currents

For additional information, refer to Woodward application note 50532: Interference Control in Electronic Governing Systems

2.2 Cable Preparation Steps (for shielded cables)

Strip outer insulation from BOTH ends to expose the braided or spiral-wrapped shield (DO NOT CUT THE SHIELD)

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

Pull inner conductor(s) out of the shield; twist braided shields to prevent fraying

Remove 6 mm (1/4 inch) of insulation from the inner conductor(s)

Connect wiring and shield as shown in the relevant diagrams

Setting Speed Range

3.1 Selection Criteria

Determine the maximum desired prime mover speed

Calculate the speed sensor signal frequency at maximum speed using the formula:

Frequency (Hz) = (Gear speed in RPM × Number of teeth on speed sensing gear) ÷ 60

Select the lowest speed range that accommodates this maximum frequency

For installations with severe electromagnetic interference (EMI):

Use shielded wire in conduit, double-shielded wire, or other appropriate precautions

Contact Woodward for additional guidance

3.2 Important Notes

Factory-set speed range: 2000 Hz to 6000 Hz

Refer to the “Speed Ranges” section for instructions to modify the speed range (critical for preventing overspeed)

9907-014 PDF
9907-014

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