Emerson Epsilon EP Drive 400518-01 Manual de instalación descargar pdf (Pagina 59)

Setting Up Parameters

the drive will generate a Following Error Fault (F). All accumulated Following Error will be cleared when the drive is

disabled.

The Following Error Limit is defined in user units.

Enable Software Travel Limits Check Box

Select this check box to enable (or disable if clear) the software travel limits. If disabled, the software travel limits are not

monitored.

Software Travel Limits

Software Travel limits can be used to limit machine travel. They are often setup inside the hardware travel limits to add

another level of security or protection from exceeding the machines travel limits. The FM-3/4 module and Epsilon EP-P drive

constantly monitor the feedback position, and if this position exceeds the values entered for Software Travel Limit + or -, then

the drive will decel to a stop. Software Travel Limits are not functional unless the Absolute PosnValid source is active.

AbsolutePosnValid is active upon successful completion of a home or the DefineHome destination is activated.

To recover from a software travel limit, a jog may be commanded in the opposite direction of travel. For example, if a

software travel limit - is hit, then the axis can be jogged in the + direction.

Software Travel Limit +

If the absolute position is greater than or equal to this value the Software Travel Limit Plus Active source shall activate.

A rising edge occurs when the absolute position is greater than or equal to the parameter Software Travel Limit +. A falling

edge will be generated as soon as the above is not true.

Software Travel Limit -

If the absolute position is less than or equal to this value the Software Travel Limit Minus Activate shall activate.

A rising edge occurs when the absolute position is less than or equal to the parameter Software Travel Limit -. A falling edge

will be generated as soon as the above is not true.

Rotary Group

Rotary Rollover Check Box

Select this check box to enable (or disable if clear) the rotary rollover feature.

Rotary Rollover

This parameter is used in rotary applications and determines the position at which the internal position counter will be reset

to zero.

Example:

The user has a rotary table application with distance user units of degrees, 360.00 degrees/1 rev. The Rotary Rollover would

be set to a value of 360°.

The motor is traveling in the positive direction. As the feedback position reaches 359.999 and continues on, the feedback

position will reset (or roll-over) to zero. If the motor changes direction and travels in the negative direction, the position will

rollover at 0 to 359.999 degrees and count down. The resolution of the rotary rollover point is determined by the Distance

Units Decimal Places parameter on the User Units view in the PowerTools Pro software.

If an absolute index is used with a non-zero rotary rollover point, the FM-3/4 module will calculate the shortest path to its

destination and move in the required direction.

To force the motor to run a certain direction, use the Rotary Plus or Rotary Minus type of indexes.

Online Tab (not shown)

While online, the following real-time data will be displayed.

Motor Position Group

Position Command

This is the commanded position in user units.

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Emerson Epsilon EP Drive 400518-01 Manual de instalación Pagina 59

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Emerson Epsilon EP Drive 400518-01 Manual de instalación Pagina 59

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