Emerson FM-3 Uživatelská příručka stáhnout pdf (Strana 34)

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Operational Overview

Example 2:

Use the Velocity Command Analog as a trim adjustment to the digital Velocity Presets.

Velocity Preset #2 is selected with Analog Input at 0, so the Velocity Command Preset and

Velocity Command are equal (set to match a conveyor speed). You can use the Analog Input

(Velocity Command Analog) as a fine adjust for the Velocity Command to exactly match the

conveyor speed.

Figure 9: Summation Mode Block Diagram

Figure 10: Velocity vs. Time Diagram, Summation Mode

Torque Mode

In Torque mode both the position and velocity loops are disabled and only the torque loop is

enabled.

Note

Velocity related faults and velocity related input and output functions are still enabled

(including Stop and Travel Limits).

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