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FM-3 Programming Module Reference Manual

Destinations

Home.#.Initiate

The Home.#.Initiate destination is used to initiate the home function. The Home is initiated

on the rising edge of this function. The device will not initiate a Home if there is an Index,

Jog, or Program in progress, or if the Stop destination is active or if a travel limit is active.

Home.#.SensorTrigger

This destination is required to be used if you are homing to a sensor. This destination is edge

sensitive. The home position is determined when the Home Sensor destination is activated.

If the device receives a Home.#.Initiate input while the Home.#.SensorTrigger is active, you

can choose to have the motor “back-off” of the home sensor before it initiates the home

function, or move forward to the next sensor.

If debounce is used on the hardware input that the Home.#.SensorTrigger is assigned to, the

debounce determines the length of time the input must be active to be considered a valid input.

The rising edge of the sensor is still used for the reference position. This maintains accuracy

while providing the ability to ignore false inputs.

Index View

An index is a complete motion sequence that moves the motor a specific incremental distance

or to an absolute position. The index is initiated with the Index.#.Initiate destination or from

a program.

Figure 50: Index View

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Emerson FM-3 Installationshandbuch Seite 86