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Martina Vega, Equipment Analyst, Windrock Inc.

Encoder Tips & Tricks

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Multi-Event or Shaft Encoder

Multi-Event Encoder Shaft EncoderPick up (Once per turn or tooth count) Mag Pick up (once per turn)Optical Optical (once per turn)

Shaft

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Shaft Encoder

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Things Included in the Encoder Kit

Two rods with different ends

Bungee cord

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Phased Data (Ideally)

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Problem

Encoder shaft slipping

Loss of RMP

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Problem (Slipping)

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Solutions

Inspect:– Shaft tip– Set up

Watch data

Consider:– Socket wretch – Mag pick up– Optical

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Inspect

Set up

Wear in tip

Tension on shaft

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Observe Data

• Watch for a few seconds the screen• Plot single traces

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Consider…

• The large tip over the small one• A second bungee cord• Socket wrench

• Mag pick up• Optical

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Problem (RPM Signal)

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Solutions

Unplug and plug again the encoder cable to the wireless transmitter and encoder.

Escape on data collection screen.

Turn off and on analyzer.

Connect the encoder cable from encoder to analyzer.

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Questions?